Parameter Groups

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# National Water Information System
# 2024/12/04
#
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# Date Retrieved: USGS Water Data for the Nation Help System
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parm_cd	group	parm_nm	epa_equivalence	result_statistical_basis	result_time_basis	result_weight_basis	result_particle_size_basis	result_sample_fraction	result_temperature_basis	CASRN	SRSName	parm_unit
5s	13s	134s	26s	14s	7s	3s	14s	12s	0s	10s	40s	10s
00149	Radiochemical	Alpha-emitting isotopes of radium, water, filtered, picocuries per liter	Agree					Dissolved		 	Alpha emitting radium isotopes	pCi/L
01392	Radiochemical	Uranium, bed sediment, total digestion, dry weight, milligrams per kilogram	USGS use and no use by EPA			Dry		Bed Sediment		7440-61-1	Uranium	mg/kg
01419	Radiochemical	Uranium, soil, total digestion, dry weight, milligrams per kilogram	USGS use and no use by EPA			Dry		Total		7440-61-1	Uranium	mg/kg
01459	Radiochemical	Uranium, biota, tissue, total digestion, dry weight, milligrams per kilogram	Not checked			Dry				7440-61-1	Uranium	mg/kg
01501	Radiochemical	Alpha radioactivity, water, unfiltered, picocuries per liter	Not checked					Total		12587-46-1	Alpha particle	pCi/L
01502	Radiochemical	Alpha radioactivity counting error, water, unfiltered, picocuries per liter	Not checked	Counting Error				Total		12587-46-1	Alpha particle	pCi/L
01503	Radiochemical	Alpha radioactivity, water, filtered, picocuries per liter	Agree					Dissolved		12587-46-1	Alpha particle	pCi/L
01504	Radiochemical	Alpha radioactivity counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		12587-46-1	Alpha particle	pCi/L
01505	Radiochemical	Alpha radioactivity, suspended sediment, picocuries per liter	Agree					Suspended		12587-46-1	Alpha particle	pCi/L
01506	Radiochemical	Alpha radioactivity counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		12587-46-1	Alpha particle	pCi/L
01507	Radiochemical	Gross alpha radioactivity, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		12587-46-1	Alpha particle	pCi/g
01508	Radiochemical	Gross alpha radioactivity counting error, bed sediment, dry weight, picocuries per gram	Not checked	Counting Error		Dry		Bed Sediment		12587-46-1	Alpha particle	pCi/g
01515	Radiochemical	Gross alpha radioactivity, water, filtered, natural uranium curve, picocuries per liter	Not checked					Dissolved		12587-46-1	Alpha particle	pCi/L
01516	Radiochemical	Gross alpha radioactivity, suspended sediment, natural uranium curve, picocuries per liter	Not checked					Suspended		12587-46-1	Alpha particle	pCi/L
01517	Radiochemical	Gross alpha radioactivity, suspended sediment, natural uranium curve, dry weight, picocuries per gram	Not checked			Dry		Suspended		12587-46-1	Alpha particle	pCi/g
01518	Radiochemical	Gross alpha radioactivity, suspended sediment, natural uranium curve, dry weight, milligrams per kilogram	Not checked			Dry		Suspended		12587-46-1	Alpha particle	mg/kg
01519	Radiochemical	Gross alpha radioactivity, water, unfiltered, picocuries per liter	Agree					Total		12587-46-1	Alpha particle	pCi/L
01524	Radiochemical	Gross alpha radioactivity counting error, water, filtered, natural uranium curve, micrograms per liter	Agree	Counting Error				Dissolved		12587-46-1	Alpha particle	ug/l
01525	Radiochemical	Gross alpha radioactivity counting error, suspended sediment, natural uranium curve, micrograms per liter	Agree	Counting Error				Suspended		12587-46-1	Alpha particle	ug/l
01526	Radiochemical	Gross alpha radioactivity counting error, water, unfiltered, Th-230 curve, picocuries per liter	Not checked	Counting Error						12587-46-1	 	pCi/L
03501	Radiochemical	Beta radioactivity, water, unfiltered, picocuries per liter	Agree					Total		12587-47-2	Beta particle	pCi/L
03502	Radiochemical	Beta radioactivity counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		12587-47-2	Beta particle	pCi/L
03503	Radiochemical	Beta radioactivity, water, filtered, picocuries per liter	Agree					Dissolved		12587-47-2	Beta particle	pCi/L
03504	Radiochemical	Beta radioactivity counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		12587-47-2	Beta particle	pCi/L
03505	Radiochemical	Beta radioactivity, suspended sediment, picocuries per liter	Agree					Suspended		12587-47-2	Beta particle	pCi/L
03506	Radiochemical	Beta radioactivity counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		12587-47-2	Beta particle	pCi/L
03507	Radiochemical	Gross beta radioactivity, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		12587-47-2	Beta particle	pCi/g
03508	Radiochemical	Gross beta radioactivity counting error, bed sediment, dry weight, picocuries per gram	Not checked	Counting Error		Dry		Bed Sediment		12587-47-2	Beta particle	pCi/g
03515	Radiochemical	Gross beta radioactivity, water, filtered, Cs-137 curve, picocuries per liter	Not checked					Dissolved		12587-47-2	Beta particle	pCi/L
03516	Radiochemical	Gross beta radioactivity, suspended sediment, Cs-137 curve, picocuries per liter	Not checked					Suspended		12587-47-2	Beta particle	pCi/L
03517	Radiochemical	Beta radioactivity, suspended sediment, Sr-90/Y-90 curve, dry weight, picocuries per gram	Not checked			Dry		Suspended		12587-47-2	Beta particle	pCi/g
03518	Radiochemical	Gross beta radioactivity, suspended sediment, Cs-137 curve, dry weight, picocuries per gram	Not checked			Dry		Suspended		12587-47-2	Beta particle	pCi/g
03519	Radiochemical	Gross beta radioactivity, water, unfiltered, Cs-137 curve, picocuries per liter	Not checked					Total		12587-47-2	Beta particle	pCi/L
03526	Radiochemical	Gross beta radioactivity counting error, water, filtered, Cs-137 curve, picocuries per liter	Not checked	Counting Error				Dissolved		12587-47-2	Beta particle	pCi/L
03527	Radiochemical	Gross beta radioactivity counting error, suspended sediment, Cs-137 curve, picocuries per liter	Not checked	Counting Error				Suspended		12587-47-2	Beta particle	pCi/L
03528	Radiochemical	Gross beta radioactivity counting error, water, filtered, Sr-90/Y-90 curve, picocuries per liter	Not checked	Counting Error				Dissolved		12587-47-2	Beta particle	pCi/L
03529	Radiochemical	Gross beta radioactivity counting error, suspended sediment, Sr-90/Y-90 curve, picocuries per liter	Not checked	Counting Error				Suspended		12587-47-2	Beta particle	pCi/L
03936	Radiochemical	Uranium, bed sediment smaller than 62.5 microns, wet sieved, laboratory, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 0.0625	Bed Sediment		7440-61-1	Uranium	mg/kg
04102	Radiochemical	Beta radioactivity, bed sediment, Sr-90/Y-90 curve, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		12587-47-2	Beta particle	pCi/g
04103	Radiochemical	Cesium-137 2-sigma combined uncertainty, soil, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Total		10045-97-3	Cesium-137	pCi/g
04104	Radiochemical	Lead-210 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not checked	2-Sigma CSU		Dry		Bed Sediment		14255-04-0	Lead-210	pCi/g
04105	Radiochemical	Polonium-210 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not checked	2-Sigma CSU		Dry		Bed Sediment		13981-52-7	Polonium-210	pCi/g
04106	Radiochemical	Radium-228 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not checked	2-Sigma CSU		Dry		Bed Sediment		15262-20-1	Radium-228	pCi/g
04107	Radiochemical	Radium-226 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not checked	2-Sigma CSU		Dry		Bed Sediment		13982-63-3	Radium-226	pCi/g
04108	Radiochemical	Thorium-230 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not checked	2-Sigma CSU		Dry		Bed Sediment		14269-63-7	Thorium-230	pCi/g
04110	Radiochemical	Thorium-232 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not checked	2-Sigma CSU		Dry		Bed Sediment		7440-29-1	Thorium-232	pCi/g
04111	Radiochemical	Uranium-234 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not checked	2-Sigma CSU		Dry		Bed Sediment		13966-29-5	Uranium-234	pCi/g
04112	Radiochemical	Uranium-235 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not checked	2-Sigma CSU		Dry		Bed Sediment		15117-96-1	Uranium-235	pCi/g
04113	Radiochemical	Uranium-238 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		7440-61-1	Uranium	pCi/g
04123	Radiochemical	Tritium counting error, water, unfiltered, picocuries per milliliter	Agree	Counting Error				Total		10028-17-8	Tritium	pCi/ml
04124	Radiochemical	Tritium, water, unfiltered, picocuries per milliliter	Agree					Total		10028-17-8	Tritium	pCi/ml
04125	Radiochemical	Alpha radioactivity, bed sediment, Th-230 curve, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		12587-46-1	Alpha particle	pCi/g
04126	Radiochemical	Alpha radioactivity, water, filtered, Th-230 curve, picocuries per liter	Not checked					Dissolved		12587-46-1	Alpha particle	pCi/L
04127	Radiochemical	Alpha radioactivity, suspended sediment, Th-230 curve, picocuries per liter	Not checked					Suspended		12587-46-1	Alpha particle	pCi/L
05504	Radiochemical	Gross gamma radioactivity scan counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		 	Gamma radiation	pCi/L
05515	Radiochemical	Gross gamma radioactivity scan counting error, bed sediment, dry weight, picocuries per gram	Agree	Counting Error		Dry		Bed Sediment		 	Gamma radiation	pCi/g
05516	Radiochemical	Gross gamma radioactivity scan counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		 	Gamma radiation	pCi/L
07000	Radiochemical	Tritium, water, unfiltered, picocuries per liter	Agree					Total		10028-17-8	Tritium	pCi/L
07001	Radiochemical	Tritium counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		10028-17-8	Tritium	pCi/L
07005	Radiochemical	Tritium, water, filtered, picocuries per liter	Agree					Dissolved		10028-17-8	Tritium	pCi/L
07006	Radiochemical	Tritium counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		10028-17-8	Tritium	pCi/L
07010	Radiochemical	Tritium, suspended sediment, picocuries per liter	Agree					Suspended		10028-17-8	Tritium	pCi/L
07011	Radiochemical	Tritium counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		10028-17-8	Tritium	pCi/L
07012	Radiochemical	Tritium in water molecules, tritium units	Agree							10028-17-8	Tritium	T.U.
07013	Radiochemical	Tritium in water molecules counting error, tritium units	Agree	Counting Error						10028-17-8	Tritium	T.U.
07014	Radiochemical	Tritium counting error, suspended sediment, tritium units	Agree	Counting Error				Suspended		10028-17-8	Tritium	T.U.
07015	Radiochemical	Tritium counting error, water, filtered, tritium units	Agree	Counting Error				Dissolved		10028-17-8	Tritium	T.U.
07016	Radiochemical	Tritium, suspended sediment, tritium units	Agree					Suspended		10028-17-8	Tritium	T.U.
07017	Radiochemical	Tritium, water, unfiltered, tritium units	Agree					Total		10028-17-8	Tritium	T.U.
07018	Radiochemical	Tritium, water, filtered, tritium units	Agree					Dissolved		10028-17-8	Tritium	T.U.
07019	Radiochemical	Tritium counting error, water, unfiltered, tritium units	Agree	Counting Error				Total		10028-17-8	Tritium	T.U.
07050	Radiochemical	Calcium-45, water, filtered, picocuries per liter	Agree					Dissolved		13966-05-7	Calcium-45	pCi/L
07051	Radiochemical	Calcium-45 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13966-05-7	Calcium-45	pCi/L
07052	Radiochemical	Calcium-45, suspended sediment, picocuries per liter	Agree					Suspended		13966-05-7	Calcium-45	pCi/L
07053	Radiochemical	Calcium-45 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		13966-05-7	Calcium-45	pCi/L
07054	Radiochemical	Calcium-45, water, unfiltered, picocuries per liter	Agree					Total		13966-05-7	Calcium-45	pCi/L
07055	Radiochemical	Calcium-45 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13966-05-7	Calcium-45	pCi/L
07060	Radiochemical	Iron-59, water, filtered, picocuries per liter	Agree					Dissolved		14596-12-4	Iron-59	pCi/L
07061	Radiochemical	Iron-59 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14596-12-4	Iron-59	pCi/L
07062	Radiochemical	Iron-59, suspended sediment, picocuries per liter	Agree					Suspended		14596-12-4	Iron-59	pCi/L
07063	Radiochemical	Iron-59 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		14596-12-4	Iron-59	pCi/L
07064	Radiochemical	Iron-59, water, unfiltered, picocuries per liter	Agree					Total		14596-12-4	Iron-59	pCi/L
07065	Radiochemical	Iron-59 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14596-12-4	Iron-59	pCi/L
07100	Radiochemical	Selenium-75, water, filtered, picocuries per liter	Agree					Dissolved		14265-71-5	Selenium-75	pCi/L
07101	Radiochemical	Selenium-75 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14265-71-5	Selenium-75	pCi/L
07102	Radiochemical	Selenium-75, suspended sediment, picocuries per liter	Agree					Suspended		14265-71-5	Selenium-75	pCi/L
07103	Radiochemical	Selenium-75 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		14265-71-5	Selenium-75	pCi/L
07104	Radiochemical	Selenium-75, water, unfiltered, picocuries per liter	Agree					Total		14265-71-5	Selenium-75	pCi/L
07105	Radiochemical	Selenium-75 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14265-71-5	Selenium-75	pCi/L
07120	Radiochemical	Silver-110, water, filtered, picocuries per liter	Agree					Dissolved		14391-76-5	Silver-110	pCi/L
07121	Radiochemical	Silver-110 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14391-76-5	Silver-110	pCi/L
07122	Radiochemical	Silver-110, suspended sediment, picocuries per liter	Agree					Suspended		14391-76-5	Silver-110	pCi/L
07123	Radiochemical	Silver-110 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		14391-76-5	Silver-110	pCi/L
07124	Radiochemical	Silver-110, water, unfiltered, picocuries per liter	Agree					Total		14391-76-5	Silver-110	pCi/L
07125	Radiochemical	Silver-110 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14391-76-5	Silver-110	pCi/L
07140	Radiochemical	Sulfur-35, water, filtered, picocuries per liter	Agree					Dissolved		15117-53-0	Sulfur-35	pCi/L
07141	Radiochemical	Sulfur-35 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15117-53-0	Sulfur-35	pCi/L
07142	Radiochemical	Sulfur-35, suspended sediment, picocuries per liter	Agree					Suspended		15117-53-0	Sulfur-35	pCi/L
07143	Radiochemical	Sulfur-35 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		15117-53-0	Sulfur-35	pCi/L
07144	Radiochemical	Sulfur-35, water, unfiltered, picocuries per liter	Agree					Total		15117-53-0	Sulfur-35	pCi/L
07145	Radiochemical	Sulfur-35 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15117-53-0	Sulfur-35	pCi/L
09501	Radiochemical	Radium-226, water, unfiltered, picocuries per liter	Agree					Total		13982-63-3	Radium-226	pCi/L
09503	Radiochemical	Radium-226, water, filtered, picocuries per liter	Agree					Dissolved		13982-63-3	Radium-226	pCi/L
09504	Radiochemical	Radium-226 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13982-63-3	Radium-226	pCi/L
09505	Radiochemical	Radium-226, suspended sediment, picocuries per liter	Agree					Suspended		13982-63-3	Radium-226	pCi/L
09506	Radiochemical	Radium-226 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		13982-63-3	Radium-226	pCi/L
09507	Radiochemical	Radium-226, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		13982-63-3	Radium-226	pCi/g
09508	Radiochemical	Radium-226 counting error, bed sediment, dry weight, picocuries per gram	Not checked	Counting Error		Dry		Bed Sediment		13982-63-3	Radium-226	pCi/g
09510	Radiochemical	Alpha-emitting isotopes of radium, water, filtered, planchet count, picocuries per liter	Not checked					Dissolved		 	Alpha emitting radium isotopes	pCi/L
09511	Radiochemical	Radium-226, water, filtered, radon method, picocuries per liter	Agree					Dissolved		13982-63-3	Radium-226	pCi/L
11501	Radiochemical	Radium-228, water, unfiltered, picocuries per liter	Agree					Total		15262-20-1	Radium-228	pCi/L
11502	Radiochemical	Radium-228 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15262-20-1	Radium-228	pCi/L
11506	Radiochemical	Radium-224, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		13233-32-4	Radium-224	pCi/g
13501	Radiochemical	Strontium-90, water, unfiltered, picocuries per liter	Agree					Total		10098-97-2	Strontium-90	pCi/L
13502	Radiochemical	Strontium-90 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		10098-97-2	Strontium-90	pCi/L
13503	Radiochemical	Strontium-90, water, filtered, picocuries per liter	Agree					Dissolved		10098-97-2	Strontium-90	pCi/L
13504	Radiochemical	Strontium-90 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		10098-97-2	Strontium-90	pCi/L
13505	Radiochemical	Strontium-90, suspended sediment, picocuries per liter	Agree					Suspended		10098-97-2	Strontium-90	pCi/L
13506	Radiochemical	Strontium-90 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		10098-97-2	Strontium-90	pCi/L
13507	Radiochemical	Strontium-90 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		10098-97-2	Strontium-90	pCi/L
15501	Radiochemical	Strontium-89, water, unfiltered, picocuries per liter	Agree					Total		14158-27-1	Strontium-89	pCi/L
15502	Radiochemical	Strontium-89 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14158-27-1	Strontium-89	pCi/L
15503	Radiochemical	Strontium-89, water, filtered, picocuries per liter	Agree					Dissolved		14158-27-1	Strontium-89	pCi/L
15504	Radiochemical	Strontium-89 counting error, water, filtered, picocuries per liter	Agree					Dissolved		14158-27-1	Strontium-89	pCi/L
15507	Radiochemical	Strontium-90, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		10098-97-2	Strontium-90	pCi/g
17501	Radiochemical	Lead-210, water, unfiltered, picocuries per liter	Agree					Total		14255-04-0	Lead-210	pCi/L
17502	Radiochemical	Lead-210 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14255-04-0	Lead-210	pCi/L
17503	Radiochemical	Lead-210, water, filtered, picocuries per liter	Agree					Dissolved		14255-04-0	Lead-210	pCi/L
17504	Radiochemical	Lead-210 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14255-04-0	Lead-210	pCi/L
17505	Radiochemical	Lead-210, suspended sediment, picocuries per liter	Agree					Suspended		14255-04-0	Lead-210	pCi/L
17506	Radiochemical	Lead-210 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		14255-04-0	Lead-210	pCi/L
17507	Radiochemical	Lead-210, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		14255-04-0	Lead-210	pCi/g
17508	Radiochemical	Lead-210, counting error, bed sediment, dry weight, picocuries per gram	Not checked	Counting Error		Dry		Bed Sediment		14255-04-0	Lead-210	pCi/g
17517	Radiochemical	Lead-212, water, unfiltered, picocuries per liter	Agree					Total		15092-94-1	Lead-212	pCi/L
17518	Radiochemical	Lead-212 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15092-94-1	Lead-212	pCi/L
17519	Radiochemical	Lead-214, water, unfiltered, picocuries per liter	Agree					Total		15067-28-4	Lead-214	pCi/L
17520	Radiochemical	Lead-214 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15067-28-4	Lead-214	pCi/L
18501	Radiochemical	Iodine-129, water, unfiltered, picocuries per liter	Agree					Total		15046-84-1	Iodine-129	pCi/L
18502	Radiochemical	Iodine-129 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15046-84-1	Iodine-129	pCi/L
19501	Radiochemical	Polonium-210, water, unfiltered, picocuries per liter	Agree					Total		13981-52-7	Polonium-210	pCi/L
19503	Radiochemical	Polonium-210, water, filtered, picocuries per liter	Agree					Dissolved		13981-52-7	Polonium-210	pCi/L
19504	Radiochemical	Polonium-210 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13981-52-7	Polonium-210	pCi/L
19505	Radiochemical	Polonium-210, suspended sediment, picocuries per liter	Agree					Suspended		13981-52-7	Polonium-210	pCi/L
19506	Radiochemical	Polonium-210 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		13981-52-7	Polonium-210	pCi/L
19507	Radiochemical	Polonium-210, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		13981-52-7	Polonium-210	pCi/g
22001	Radiochemical	Plutonium-238, water, filtered, picocuries per liter	Agree					Dissolved		13981-16-3	Plutonium-238	pCi/L
22002	Radiochemical	Plutonium-238 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13981-16-3	Plutonium-238	pCi/L
22010	Radiochemical	Plutonium-239, water, filtered, picocuries per liter	Agree					Dissolved		15117-48-3	Plutonium-239	pCi/L
22011	Radiochemical	Plutonium-239 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15117-48-3	Plutonium-239	pCi/L
22012	Radiochemical	Plutonium-238, water, unfiltered, picocuries per liter	Agree					Total		13981-16-3	Plutonium-238	pCi/L
22013	Radiochemical	Plutonium-238 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13981-16-3	Plutonium-238	pCi/L
22014	Radiochemical	Plutonium-239, water, unfiltered, picocuries per liter	Agree					Total		15117-48-3	Plutonium-239	pCi/L
22015	Radiochemical	Plutonium-239 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15117-48-3	Plutonium-239	pCi/L
22016	Radiochemical	Plutonium-238, bed sediment, picocuries per gram	Not checked					Bed Sediment		13981-16-3	Plutonium-238	pCi/g
22020	Radiochemical	Beryllium-7, bed sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram	USGS use and no use by EPA			Dry	<62.5 microns	Bed Sediment		13966-02-4	Beryllium-7	dpm/g
22021	Radiochemical	Cesium-137, bed sediment smaller than 62.5 microns, dry weight, picocuries per gram	USGS use and no use by EPA			Dry	<62.5 microns	Bed Sediment		10045-97-3	Cesium-137	pCi/g
22022	Radiochemical	Lead-210, bed sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram	USGS use and no use by EPA			Dry	<62.5 microns	Bed Sediment		14255-04-0	Lead-210	dpm/g
22023	Radiochemical	Radium-226, bed sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram	USGS use and no use by EPA			Dry	<62.5 microns	Bed Sediment		13982-63-3	Radium-226	dpm/g
22024	Radiochemical	Beryllium-7, suspended sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram	USGS use and no use by EPA			Dry	<62.5 microns	Suspended		13966-02-4	Beryllium-7	dpm/g
22025	Radiochemical	Cesium-137, suspended sediment smaller than 62.5 microns, dry weight, picocuries per gram	USGS use and no use by EPA			Dry	<62.5 microns	Suspended		10045-97-3	Cesium-137	pCi/g
22026	Radiochemical	Lead-210, suspended sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram	USGS use and no use by EPA			Dry	<62.5 microns	Suspended		14255-04-0	Lead-210	dpm/g
22027	Radiochemical	Radium-226, suspended sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram	USGS use and no use by EPA			Dry	<62.5 microns	Suspended		13982-63-3	Radium-226	dpm/g
22028	Radiochemical	Radon-222, air, unfiltered, disintegrations per minute per liter	Not checked							14859-67-7	Radon-222	dpm/l
22029	Radiochemical	Radon-222 counting error, air, unfiltered, disintegrations per minute per liter	Not checked	Counting Error						14859-67-7	Radon-222	dpm/l
22030	Radiochemical	Radon-222, water, unfiltered, disintegrations per minute per liter	Not checked					Total		14859-67-7	Radon-222	dpm/l
22031	Radiochemical	Radon-222 counting error, water, unfiltered, disintegrations per minute per liter	Not checked	Counting Error				Total		14859-67-7	Radon-222	dpm/l
22032	Radiochemical	Polonium-210 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	Not checked	2-Sigma CSU						13981-52-7	 	pCi/L
22033	Radiochemical	Nickel-59, water, unfiltered, picocuries per liter	Not checked					Recoverable		14336-70-0	 	pCi/L
22034	Radiochemical	Nickel-59 counting error, water, unfiltered, picocuries per liter	Not checked					Recoverable		14336-70-0	 	pCi/L
22035	Radiochemical	Nickel-59, water, filtered, picocuries per liter	Not checked					Dissolved		14336-70-0	 	pCi/L
22036	Radiochemical	Nickel-59 counting error, water, filtered, picocuries per liter	Not checked					Dissolved		14336-70-0	 	pCi/L
22037	Radiochemical	Nickel-63, water, filtered, picocuries per liter	Not checked					Dissolved		13981-37-8	Nickel-63	pCi/L
22038	Radiochemical	Nickel-63 counting error, water, filtered, picocuries per liter	Not checked					Dissolved		13981-37-8	Nickel-63	pCi/L
22039	Radiochemical	Uranium-234/uranium-238 activity ratio, water, filtered, ratio	Not checked					Dissolved		 	 	None
22040	Radiochemical	Uranium-234/uranium-238 activity ratio 2-sigma combined uncertainty, water, filtered, ratio	Not checked	2-Sigma CSU				Dissolved		 	 	None
22041	Radiochemical	Cesium-137, bed sediment smaller than 62.5 microns, dry weight, disintegrations per minute per gram	Not checked			Dry	<62.5 microns	Bed Sediment		10045-97-3	Cesium-137	dpm/g
22150	Radiochemical	Neptunium-237, water, unfiltered, picocuries per liter	Not checked					Recoverable		13994-20-2	 	pCi/L
22151	Radiochemical	Neptunium-237 counting error, water, unfiltered, picocuries per liter	Not checked					Recoverable		13994-20-2	 	pCi/L
22383	Radiochemical	Bismuth-214, water, unfiltered, picocuries per liter	Agree					Total		14733-03-0	Bismuth-214	pCi/L
22384	Radiochemical	Bismuth-214 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14733-03-0	Bismuth-214	pCi/L
22450	Radiochemical	Americium-241, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		14596-10-2	Americium-241	pCi/g
22501	Radiochemical	Thorium-232, water, unfiltered, picocuries per liter	Agree					Total		7440-29-1	Thorium-232	pCi/L
22502	Radiochemical	Thorium-232 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		7440-29-1	Thorium-232	pCi/L
22503	Radiochemical	Thorium/uranium isotope ratio	Agree					Total		 	 	ratio
22505	Radiochemical	Thorium-228, water, unfiltered, picocuries per liter	Agree					Total		14274-82-9	Thorium-228	pCi/L
22601	Radiochemical	Uranium-238, water, unfiltered, picocuries per liter	Agree					Total		7440-61-1	Uranium	pCi/L
22602	Radiochemical	Uranium-238 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		7440-61-1	Uranium	pCi/L
22603	Radiochemical	Uranium-238, water, filtered, picocuries per liter	Agree					Dissolved		7440-61-1	Uranium	pCi/L
22604	Radiochemical	Uranium-238 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		7440-61-1	Uranium	pCi/L
22606	Radiochemical	Uranium-234, water, unfiltered, picocuries per liter	Agree					Total		13966-29-5	Uranium-234	pCi/L
22607	Radiochemical	Uranium-234 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13966-29-5	Uranium-234	pCi/L
22610	Radiochemical	Uranium-234, water, filtered, picocuries per liter	Agree					Dissolved		13966-29-5	Uranium-234	pCi/L
22611	Radiochemical	Uranium-234 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13966-29-5	Uranium-234	pCi/L
22612	Radiochemical	Uranium-235, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		15117-96-1	Uranium-235	pCi/g
22620	Radiochemical	Uranium-235, water, filtered, picocuries per liter	Agree					Dissolved		15117-96-1	Uranium-235	pCi/L
22622	Radiochemical	Uranium-235, water, unfiltered, picocuries per liter	Agree					Total		15117-96-1	Uranium-235	pCi/L
22623	Radiochemical	Uranium counting error, water, filtered, micrograms per liter	Agree	Counting Error				Dissolved		7440-61-1	Uranium	ug/l
22624	Radiochemical	Uranium counting error, water, unfiltered, micrograms per liter	Agree	Counting Error				Total		7440-61-1	Uranium	ug/l
22703	Radiochemical	Uranium (natural), water, filtered, micrograms per liter	Agree					Dissolved		7440-61-1	Uranium	ug/l
22704	Radiochemical	Uranium, water, unfiltered, recoverable, micrograms per liter	Not checked					Recoverable		7440-61-1	Uranium	ug/l
22705	Radiochemical	Uranium (natural), suspended sediment, total, micrograms per liter	Agree					Suspended		7440-61-1	Uranium	ug/l
22706	Radiochemical	Uranium, water, unfiltered, micrograms per liter as uranium(V,VI) oxide (U3O8)	Agree					Total		7440-61-1	Uranium	ug/L U3O8
22707	Radiochemical	Uranium (natural), bed sediment, total digestion, dry weight, milligrams per kilogram	Not checked			Dry		Bed Sediment		7440-61-1	Uranium	mg/kg
22709	Radiochemical	Cesium-137, solids, dry weight, picocuries per gram	Not checked			Dry				10045-97-3	 	pCi/g
22710	Radiochemical	Cesium-137 1-sigma precision estimate, solids, dry weight, picocuries per gram	Not checked			Dry				10045-97-3	 	pCi/g
22711	Radiochemical	Lead-210, solids, dry weight, disintegrations per minute per gram	Not checked			Dry				14255-04-0	Lead-210	dpm/g
22712	Radiochemical	Beryllium-7, solids, dry weight, disintegrations per minute per gram	Not checked			Dry				13966-02-4	Beryllium-7	dpm/g
22713	Radiochemical	Radium-226, solids, dry weight, disintegrations per minute per gram	Not checked			Dry				13982-63-3	Radium-226	dpm/g
24501	Radiochemical	Radium-224, water, unfiltered, picocuries per liter	Agree					Total		13233-32-4	Radium-224	pCi/L
26501	Radiochemical	Thorium-230, water, unfiltered, picocuries per liter	Agree					Total		14269-63-7	Thorium-230	pCi/L
26503	Radiochemical	Thorium-230, water, filtered, picocuries per liter	Agree					Dissolved		14269-63-7	Thorium-230	pCi/L
26504	Radiochemical	Thorium-230 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14269-63-7	Thorium-230	pCi/L
26505	Radiochemical	Thorium-230, suspended sediment, picocuries per liter	Agree					Suspended		14269-63-7	Thorium-230	pCi/L
26506	Radiochemical	Thorium-230 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		14269-63-7	Thorium-230	pCi/L
26507	Radiochemical	Thorium-230, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		14269-63-7	Thorium-230	pCi/g
26629	Radiochemical	Thorium-228, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		14274-82-9	Thorium-228	pCi/g
26631	Radiochemical	Thorium-232, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		7440-29-1	Thorium-232	pCi/g
27701	Radiochemical	Zirconium-95, water, unfiltered, picocuries per liter	Agree					Total		13967-71-0	Zirconium-95	pCi/L
27702	Radiochemical	Zirconium-95 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13967-71-0	Zirconium-95	pCi/L
27801	Radiochemical	Niobium-95, water, unfiltered, picocuries per liter	Agree					Total		13967-76-5	Niobium-95	pCi/L
27802	Radiochemical	Niobium-95 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13967-76-5	Niobium-95	pCi/L
27901	Radiochemical	Ruthenium-103, water, unfiltered, picocuries per liter	Agree					Total		13968-53-1	Ruthenium-103	pCi/L
27902	Radiochemical	Ruthenium-103 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13968-53-1	Ruthenium-103	pCi/L
28001	Radiochemical	Ruthenium-106, water, unfiltered, picocuries per liter	Agree					Total		13967-48-1	Ruthenium-106	pCi/L
28002	Radiochemical	Ruthenium-106 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13967-48-1	Ruthenium-106	pCi/L
28004	Radiochemical	Apparent age, water, filtered, carbon-14, years before present	Agree					Dissolved		 	 	years BP
28005	Radiochemical	Radiocesium, water, filtered, Cs-137 curve, picocuries per liter	Not checked					Dissolved		 	Cesium Radionuclides	pCi/L
28006	Radiochemical	Radiocesium, suspended sediment, Cs-137 curve, picocuries per liter	Not checked					Suspended		 	Cesium Radionuclides	pCi/L
28007	Radiochemical	Radiocesium, water, unfiltered, Cs-137 curve, picocuries per liter	Not checked					Total		 	Cesium Radionuclides	pCi/L
28008	Radiochemical	Radioruthenium, water, filtered, Ru-106 curve, picocuries per liter	Not checked					Dissolved		 	Ruthenium Radionuclides	pCi/L
28009	Radiochemical	Radioruthenium, suspended sediment, Ru-106 curve, picocuries per liter	Not checked					Suspended		 	Ruthenium Radionuclides	pCi/L
28010	Radiochemical	Radioruthenium, water, unfiltered, Ru-106 curve, picocuries per liter	Not checked					Total		 	Ruthenium Radionuclides	pCi/L
28011	Radiochemical	Uranium (natural), water, unfiltered, micrograms per liter	Agree					Total		7440-61-1	Uranium	ug/l
28012	Radiochemical	Uranium (natural), water, unfiltered, picocuries per liter	Agree					Total		7440-61-1	Uranium	pCi/L
28013	Radiochemical	Uranium-234/uranium-238, water, filtered, ratio	Agree					Dissolved		 	 	ratio
28014	Radiochemical	Uranium-234, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		13966-29-5	Uranium-234	pCi/g
28016	Radiochemical	Uranium-238, bed sediment, dry weight, picocuries per gram	Not checked			Dry		Bed Sediment		 	Uranium	pCi/g
28301	Radiochemical	Iodine-131, water, unfiltered, picocuries per liter	Agree					Total		10043-66-0	Iodine-131	pCi/L
28302	Radiochemical	Iodine-131 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		10043-66-0	Iodine-131	pCi/L
28401	Radiochemical	Cesium-137, water, unfiltered, picocuries per liter	Agree					Total		10045-97-3	Cesium-137	pCi/L
28402	Radiochemical	Cesium-137 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		10045-97-3	Cesium-137	pCi/L
28403	Radiochemical	Cesium-137, water, filtered, picocuries per liter	Agree					Dissolved		10045-97-3	Cesium-137	pCi/L
28404	Radiochemical	Cesium-137, suspended sediment, picocuries per liter	Agree					Suspended		10045-97-3	Cesium-137	pCi/L
28405	Radiochemical	Cesium-137 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		10045-97-3	Cesium-137	pCi/L
28406	Radiochemical	Cesium-137 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		10045-97-3	Cesium-137	pCi/L
28410	Radiochemical	Cesium-134, water, filtered, picocuries per liter	Agree					Dissolved		13967-70-9	Cesium-134	pCi/L
28411	Radiochemical	Cesium-134 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13967-70-9	Cesium-134	pCi/L
28412	Radiochemical	Cesium-134, suspended sediment, picocuries per liter	Agree					Suspended		13967-70-9	Cesium-134	pCi/L
28413	Radiochemical	Cesium-134 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		13967-70-9	Cesium-134	pCi/L
28414	Radiochemical	Cesium-134, water, unfiltered, picocuries per liter	Agree					Total		13967-70-9	Cesium-134	pCi/L
28415	Radiochemical	Cesium-134 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13967-70-9	Cesium-134	pCi/L
28601	Radiochemical	Barium-140, water, unfiltered, picocuries per liter	Agree					Total		14798-08-4	Barium-140	pCi/L
28602	Radiochemical	Barium-140 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14798-08-4	Barium-140	pCi/L
28701	Radiochemical	Lanthanum-140, water, unfiltered, picocuries per liter	Agree					Total		13981-28-7	Lanthanum-140	pCi/L
28702	Radiochemical	Lanthanum-140 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13981-28-7	Lanthanum-140	pCi/L
28801	Radiochemical	Cerium-141, water, unfiltered, picocuries per liter	Agree					Total		13967-74-3	Cerium-141	pCi/L
28802	Radiochemical	Cerium-141 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13967-74-3	Cerium-141	pCi/L
28901	Radiochemical	Cerium-144, water, unfiltered, picocuries per liter	Agree					Total		14762-78-8	Cerium-144	pCi/L
28902	Radiochemical	Cerium-144 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14762-78-8	Cerium-144	pCi/L
29301	Radiochemical	Zinc-65, water, unfiltered, picocuries per liter	Agree					Total		13982-39-3	Zinc-65	pCi/L
29302	Radiochemical	Zinc-65 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13982-39-3	Zinc-65	pCi/L
29401	Radiochemical	Chromium-51, water, unfiltered, picocuries per liter	Agree					Total		14392-02-0	Chromium-51	pCi/L
29402	Radiochemical	Chromium-51 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14392-02-0	Chromium-51	pCi/L
29501	Radiochemical	Manganese-54, water, unfiltered, picocuries per liter	Agree					Total		13966-31-9	Manganese-54	pCi/L
29502	Radiochemical	Manganese-54 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13966-31-9	Manganese-54	pCi/L
29601	Radiochemical	Cobalt-60, water, unfiltered, picocuries per liter	Agree					Total		10198-40-0	Cobalt-60	pCi/L
29602	Radiochemical	Cobalt-60 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		10198-40-0	Cobalt-60	pCi/L
29631	Radiochemical	Scandium-46, water, filtered, picocuries per liter	Agree					Dissolved		13967-63-0	Scandium-46	pCi/L
29632	Radiochemical	Scandium-46 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13967-63-0	Scandium-46	pCi/L
29633	Radiochemical	Scandium-46, suspended sediment, picocuries per liter	Agree					Suspended		13967-63-0	Scandium-46	pCi/L
29634	Radiochemical	Scandium-46 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		13967-63-0	Scandium-46	pCi/L
29635	Radiochemical	Scandium-46, water, unfiltered, picocuries per liter	Agree					Total		13967-63-0	Scandium-46	pCi/L
29636	Radiochemical	Scandium-46 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13967-63-0	Scandium-46	pCi/L
29637	Radiochemical	Lead-210 1-sigma precision estimate, solids, dry weight, disintegrations per minute per gram	Not checked			Dry				14255-04-0	 	dpm/g
29638	Radiochemical	Beryllium-7 1-sigma precision estimate, solids, dry weight, disintegrations per minute per gram	Not checked			Dry				13966-02-4	 	dpm/g
29639	Radiochemical	Radium-226 1-sigma precision estimate, solids, dry weight, disintegrations per minute per gram	Not checked			Dry				13982-63-3	 	dpm/g
29857	Radiochemical	Actinium-228, water, unfiltered, picocuries per liter	Agree					Total		14331-83-0	Actinium-228	pCi/L
29858	Radiochemical	Actinium-228 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14331-83-0	Actinium-228	pCi/L
29859	Radiochemical	Actinium-228, water, filtered, picocuries per liter	Agree					Dissolved		14331-83-0	Actinium-228	pCi/L
29860	Radiochemical	Actinium-228 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14331-83-0	Actinium-228	pCi/L
29861	Radiochemical	Silver-108, water, unfiltered, picocuries per liter	Agree					Total		14391-65-2	Silver-108	pCi/L
29862	Radiochemical	Silver-108 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14391-65-2	Silver-108	pCi/L
29863	Radiochemical	Silver-108, water, filtered, picocuries per liter	Agree					Dissolved		14391-65-2	Silver-108	pCi/L
29864	Radiochemical	Silver-108 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14391-65-2	Silver-108	pCi/L
29865	Radiochemical	Americium-241, water, unfiltered, picocuries per liter	Agree					Total		14596-10-2	Americium-241	pCi/L
29866	Radiochemical	Americium-241 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14596-10-2	Americium-241	pCi/L
29867	Radiochemical	Americium-241, water, filtered, picocuries per liter	Agree					Dissolved		14596-10-2	Americium-241	pCi/L
29868	Radiochemical	Americium-241 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14596-10-2	Americium-241	pCi/L
29869	Radiochemical	Barium-140, water, filtered, picocuries per liter	Agree					Dissolved		14798-08-4	Barium-140	pCi/L
29870	Radiochemical	Barium-140 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14798-08-4	Barium-140	pCi/L
29871	Radiochemical	Beryllium-7, water, unfiltered, picocuries per liter	Agree					Total		13966-02-4	Beryllium-7	pCi/L
29872	Radiochemical	Beryllium-7 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13966-02-4	Beryllium-7	pCi/L
29873	Radiochemical	Beryllium-7, water, filtered, picocuries per liter	Agree					Dissolved		13966-02-4	Beryllium-7	pCi/L
29874	Radiochemical	Beryllium-7 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13966-02-4	Beryllium-7	pCi/L
29875	Radiochemical	Bismuth-214, water, filtered, picocuries per liter	Agree					Dissolved		14733-03-0	Bismuth-214	pCi/L
29876	Radiochemical	Bismuth-214 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14733-03-0	Bismuth-214	pCi/L
29877	Radiochemical	Cerium-141, water, filtered, picocuries per liter	Agree					Dissolved		13967-74-3	Cerium-141	pCi/L
29878	Radiochemical	Cerium-141 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13967-74-3	Cerium-141	pCi/L
29879	Radiochemical	Curium-242, water, unfiltered, picocuries per liter	Agree					Total		15510-73-3	Curium-242	pCi/L
29880	Radiochemical	Curium-242 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15510-73-3	Curium-242	pCi/L
29881	Radiochemical	Curium-242, water, filtered, picocuries per liter	Agree					Dissolved		15510-73-3	Curium-242	pCi/L
29882	Radiochemical	Curium-242 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15510-73-3	Curium-242	pCi/L
29883	Radiochemical	Curium-244, water, unfiltered, picocuries per liter	Agree					Total		13981-15-2	Curium-244	pCi/L
29884	Radiochemical	Curium-244 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13981-15-2	Curium-244	pCi/L
29885	Radiochemical	Curium-244, water, filtered, picocuries per liter	Agree					Dissolved		13981-15-2	Curium-244	pCi/L
29886	Radiochemical	Curium-244 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13981-15-2	Curium-244	pCi/L
29887	Radiochemical	Cobalt-57, water, unfiltered, picocuries per liter	Agree					Total		13981-50-5	Cobalt-57	pCi/L
29888	Radiochemical	Cobalt-57 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13981-50-5	Cobalt-57	pCi/L
29889	Radiochemical	Cobalt-57, water, filtered, picocuries per liter	Agree					Dissolved		13981-50-5	Cobalt-57	pCi/L
29890	Radiochemical	Cobalt-57 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13981-50-5	Cobalt-57	pCi/L
29891	Radiochemical	Cobalt-58, water, unfiltered, picocuries per liter	Agree					Total		13981-38-9	Cobalt-58	pCi/L
29892	Radiochemical	Cobalt-58 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13981-38-9	Cobalt-58	pCi/L
29893	Radiochemical	Cobalt-58, water, filtered, picocuries per liter	Agree					Dissolved		13981-38-9	Cobalt-58	pCi/L
29894	Radiochemical	Cobalt-58 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13981-38-9	Cobalt-58	pCi/L
29895	Radiochemical	Chromium-51, water, filtered, picocuries per liter	Agree					Dissolved		14392-02-0	Chromium-51	pCi/L
29896	Radiochemical	Chromium-51 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14392-02-0	Chromium-51	pCi/L
29897	Radiochemical	Cesium-144, water, unfiltered, picocuries per liter	Agree					Total		15701-05-0	 	pCi/L
29898	Radiochemical	Cesium-144 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15701-05-0	 	pCi/L
29899	Radiochemical	Cesium-144, water, filtered, picocuries per liter	Agree					Dissolved		15701-05-0	 	pCi/L
29900	Radiochemical	Cesium-144 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15701-05-0	 	pCi/L
29901	Radiochemical	Europium-155, water, unfiltered, picocuries per liter	Agree					Total		14391-16-3	Europium-155	pCi/L
29902	Radiochemical	Europium-155 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14391-16-3	Europium-155	pCi/L
29903	Radiochemical	Europium-155, water, filtered, picocuries per liter	Agree					Dissolved		14391-16-3	Europium-155	pCi/L
29904	Radiochemical	Europium-155 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14391-16-3	Europium-155	pCi/L
29905	Radiochemical	Hafnium-175, water, unfiltered, picocuries per liter	Agree					Total		15750-13-7	Hafnium-175	pCi/L
29906	Radiochemical	Hafnium-175 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		15750-13-7	Hafnium-175	pCi/L
29907	Radiochemical	Hafnium-175, water, filtered, picocuries per liter	Agree					Dissolved		15750-13-7	Hafnium-175	pCi/L
29908	Radiochemical	Hafnium-175 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15750-13-7	Hafnium-175	pCi/L
29909	Radiochemical	Hafnium-181, water, unfiltered, picocuries per liter	Agree					Total		14900-21-1	Hafnium-181	pCi/L
29910	Radiochemical	Hafnium-181 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14900-21-1	Hafnium-181	pCi/L
29911	Radiochemical	Hafnium-181, water, filtered, picocuries per liter	Agree					Dissolved		14900-21-1	Hafnium-181	pCi/L
29912	Radiochemical	Hafnium-181 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14900-21-1	Hafnium-181	pCi/L
29913	Radiochemical	Iodine-129, water, filtered, picocuries per liter	Agree					Dissolved		15046-84-1	Iodine-129	pCi/L
29914	Radiochemical	Iodine-129 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15046-84-1	Iodine-129	pCi/L
29915	Radiochemical	Iodine-131, water, filtered, picocuries per liter	Agree					Dissolved		10043-66-0	Iodine-131	pCi/L
29916	Radiochemical	Iodine-131 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		10043-66-0	Iodine-131	pCi/L
29917	Radiochemical	Iodine-133, water, unfiltered, picocuries per liter	Agree					Total		14834-67-4	Iodine-133	pCi/L
29918	Radiochemical	Iodine-133 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14834-67-4	Iodine-133	pCi/L
29919	Radiochemical	Iodine-133, water, filtered, picocuries per liter	Agree					Dissolved		14834-67-4	Iodine-133	pCi/L
29920	Radiochemical	Iodine-133 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14834-67-4	Iodine-133	pCi/L
29921	Radiochemical	Lanthanum-140, water, filtered, picocuries per liter	Agree					Dissolved		13981-28-7	Lanthanum-140	pCi/L
29922	Radiochemical	Lanthanum-140 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13981-28-7	Lanthanum-140	pCi/L
29923	Radiochemical	Molybdenum-95, water, unfiltered, picocuries per liter	Agree					Total		14392-17-7	 	pCi/L
29924	Radiochemical	Molybdenum-95 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14392-17-7	 	pCi/L
29925	Radiochemical	Molybdenum-95, water, filtered, picocuries per liter	Agree					Dissolved		14392-17-7	 	pCi/L
29926	Radiochemical	Molybdenum-95 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14392-17-7	 	pCi/L
29927	Radiochemical	Molybdenum-99, water, unfiltered, picocuries per liter	Agree					Total		14119-15-4	Molybdenum-99	pCi/L
29928	Radiochemical	Molybdenum-99 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14119-15-4	Molybdenum-99	pCi/L
29929	Radiochemical	Molybdenum-99, water, filtered, picocuries per liter	Agree					Dissolved		14119-15-4	Molybdenum-99	pCi/L
29930	Radiochemical	Molybdenum-99 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14119-15-4	Molybdenum-99	pCi/L
29931	Radiochemical	Sodium-24, water, unfiltered, picocuries per liter	Agree					Total		13982-04-2	Sodium-24	pCi/L
29932	Radiochemical	Sodium-24 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13982-04-2	Sodium-24	pCi/L
29933	Radiochemical	Sodium-24, water, filtered, picocuries per liter	Agree					Dissolved		13982-04-2	Sodium-24	pCi/L
29934	Radiochemical	Sodium-24 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13982-04-2	Sodium-24	pCi/L
29935	Radiochemical	Niobium-95, water, filtered, picocuries per liter	Agree					Dissolved		13967-76-5	Niobium-95	pCi/L
29936	Radiochemical	Niobium-95 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13967-76-5	Niobium-95	pCi/L
29937	Radiochemical	Neodymium-147, water, unfiltered, picocuries per liter	Agree					Total		14269-74-0	Neodymium-147	pCi/L
29938	Radiochemical	Neodymium-147 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14269-74-0	Neodymium-147	pCi/L
29939	Radiochemical	Neodymium-147, water, filtered, picocuries per liter	Agree					Dissolved		14269-74-0	Neodymium-147	pCi/L
29940	Radiochemical	Neodymium-147 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14269-74-0	Neodymium-147	pCi/L
29941	Radiochemical	Neptunium-239, water, unfiltered, picocuries per liter	Agree					Total		13968-59-7	Neptunium-239	pCi/L
29942	Radiochemical	Neptunium-239 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13968-59-7	Neptunium-239	pCi/L
29943	Radiochemical	Neptunium-239, water, filtered, picocuries per liter	Agree					Dissolved		13968-59-7	Neptunium-239	pCi/L
29944	Radiochemical	Neptunium-239 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13968-59-7	Neptunium-239	pCi/L
29945	Radiochemical	Lead-212, water, filtered, picocuries per liter	Agree					Dissolved		15092-94-1	Lead-212	pCi/L
29946	Radiochemical	Lead-212 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15092-94-1	Lead-212	pCi/L
29947	Radiochemical	Lead-214, water, filtered, picocuries per liter	Agree					Dissolved		15067-28-4	Lead-214	pCi/L
29948	Radiochemical	Lead-214 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15067-28-4	Lead-214	pCi/L
29949	Radiochemical	Plutonium-239/plutonium-240 activity ratio, water, unfiltered, ratio	Agree					Total		 	 	None
29950	Radiochemical	Plutonium-239/plutonium-240 activity ratio counting error, water, unfiltered, ratio	Agree	Counting Error				Total		 	 	None
29951	Radiochemical	Plutonium-239/plutonium-240 activity ratio, water, filtered, ratio	Agree					Dissolved		 	 	None
29952	Radiochemical	Plutonium-239/plutonium-240 activity ratio counting error, water, filtered, ratio	Agree	Counting Error				Dissolved		 	 	None
29953	Radiochemical	Ruthenium-103, water, filtered, picocuries per liter	Agree					Dissolved		13968-53-1	Ruthenium-103	pCi/L
29954	Radiochemical	Ruthenium-103 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13968-53-1	Ruthenium-103	pCi/L
29955	Radiochemical	Antimony-124, water, unfiltered, picocuries per liter	Agree					Total		14683-10-4	Antimony-124	pCi/L
29956	Radiochemical	Antimony-124 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14683-10-4	Antimony-124	pCi/L
29957	Radiochemical	Antimony-124, water, filtered, picocuries per liter	Agree					Dissolved		14683-10-4	Antimony-124	pCi/L
29958	Radiochemical	Antimony-124 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14683-10-4	Antimony-124	pCi/L
29959	Radiochemical	Antimony-125, water, unfiltered, picocuries per liter	Agree					Total		14234-35-6	Antimony-125	pCi/L
29960	Radiochemical	Antimony-125 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14234-35-6	Antimony-125	pCi/L
29961	Radiochemical	Antimony-125, water, filtered, picocuries per liter	Agree					Dissolved		14234-35-6	Antimony-125	pCi/L
29962	Radiochemical	Antimony-125 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14234-35-6	Antimony-125	pCi/L
29963	Radiochemical	Strontium-91, water, unfiltered, picocuries per liter	Agree					Total		14331-91-0	Strontium-91	pCi/L
29964	Radiochemical	Strontium-91 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14331-91-0	Strontium-91	pCi/L
29965	Radiochemical	Strontium-91, water, filtered, picocuries per liter	Agree					Dissolved		14331-91-0	Strontium-91	pCi/L
29966	Radiochemical	Strontium-91 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14331-91-0	Strontium-91	pCi/L
29967	Radiochemical	Technetium-99, water, unfiltered, picocuries per liter	Agree					Total		14133-76-7	Technetium-99	pCi/L
29968	Radiochemical	Technetium-99 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14133-76-7	Technetium-99	pCi/L
29969	Radiochemical	Technetium-99, water, filtered, picocuries per liter	Agree					Dissolved		14133-76-7	Technetium-99	pCi/L
29970	Radiochemical	Technetium-99 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14133-76-7	Technetium-99	pCi/L
29971	Radiochemical	Tellurium-128, water, unfiltered, picocuries per liter	Agree					Total		14390-75-1	 	pCi/L
29972	Radiochemical	Tellurium-128 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14390-75-1	 	pCi/L
29973	Radiochemical	Tellurium-128, water, filtered, picocuries per liter	Agree					Dissolved		14390-75-1	 	pCi/L
29974	Radiochemical	Tellurium-128 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14390-75-1	 	pCi/L
29975	Radiochemical	Tellurium-132, water, unfiltered, picocuries per liter	Agree					Total		14234-28-7	Tellurium-132	pCi/L
29976	Radiochemical	Tellurium-132 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14234-28-7	Tellurium-132	pCi/L
29977	Radiochemical	Tellurium-132, water, filtered, picocuries per liter	Agree					Dissolved		14234-28-7	Tellurium-132	pCi/L
29978	Radiochemical	Tellurium-132 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14234-28-7	Tellurium-132	pCi/L
29979	Radiochemical	Thallium-208, water, unfiltered, picocuries per liter	Agree					Total		14913-50-9	Thallium-208	pCi/L
29980	Radiochemical	Thallium-208 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14913-50-9	Thallium-208	pCi/L
29981	Radiochemical	Thallium-208, water, filtered, picocuries per liter	Agree					Dissolved		14913-50-9	Thallium-208	pCi/L
29982	Radiochemical	Thallium-208 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14913-50-9	Thallium-208	pCi/L
29983	Radiochemical	Xenon-135, water, unfiltered, picocuries per liter	Agree					Total		14995-62-1	Xenon-135	pCi/L
29984	Radiochemical	Xenon-135 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14995-62-1	Xenon-135	pCi/L
29985	Radiochemical	Xenon-135, water, filtered, picocuries per liter	Agree					Dissolved		14995-62-1	Xenon-135	pCi/L
29986	Radiochemical	Xenon-135 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14995-62-1	Xenon-135	pCi/L
29987	Radiochemical	Yttrium-91 (metastable), water, unfiltered, picocuries per liter	Agree					Total		14234-24-3	Yttrium-91	pCi/L
29988	Radiochemical	Yttrium-91 (metastable) counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14234-24-3	Yttrium-91	pCi/L
29989	Radiochemical	Yttrium-91 (metastable), water, filtered, picocuries per liter	Agree					Dissolved		14234-24-3	Yttrium-91	pCi/L
29990	Radiochemical	Yttrium-91 (metastable) counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		14234-24-3	Yttrium-91	pCi/L
29991	Radiochemical	Zirconium-95, water, filtered, picocuries per liter	Agree					Dissolved		13967-71-0	Zirconium-95	pCi/L
29992	Radiochemical	Zirconium-95 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13967-71-0	Zirconium-95	pCi/L
30312	Radiochemical	Thorium, bed sediment, dry weight, milligrams per kilogram	Not agree			Dry		Bed Sediment		7440-29-1	Thorium-232	mg/kg
30313	Radiochemical	Thorium, suspended sediment, total digestion, dry weight, milligrams per kilogram	Not agree			Dry		Suspended		7440-29-1	Thorium-232	mg/kg
30320	Radiochemical	Uranium, bed sediment, dry weight, milligrams per kilogram	Not agree			Dry		Bed Sediment		7440-61-1	Uranium	mg/kg
30321	Radiochemical	Uranium, suspended sediment, total digestion, dry weight, milligrams per kilogram	Not agree			Dry		Suspended		7440-61-1	Uranium	mg/kg
34980	Radiochemical	Thorium, bed sediment smaller than 62.5 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 62.5 microns	Bed Sediment		7440-29-1	Thorium-232	mg/kg
34981	Radiochemical	Thorium, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 177 microns	Bed Sediment		7440-29-1	Thorium-232	mg/kg
34982	Radiochemical	Thorium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 62.5 microns	Bed Sediment		7440-29-1	Thorium-232	mg/kg
34983	Radiochemical	Thorium, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 62.5 microns	Suspended		7440-29-1	Thorium-232	mg/kg
34984	Radiochemical	Thorium, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	> 62.5 microns	Suspended		7440-29-1	Thorium-232	mg/kg
35000	Radiochemical	Uranium, bed sediment smaller than 62.5 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 62.5 microns	Bed Sediment		7440-61-1	Uranium	mg/kg
35001	Radiochemical	Uranium, bed sediment smaller than 177 microns, wet sieved, field, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 177 microns	Bed Sediment		7440-61-1	Uranium	mg/kg
35002	Radiochemical	Uranium, bed sediment smaller than 62.5 microns, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 62.5 microns	Bed Sediment		7440-61-1	Uranium	mg/kg
35003	Radiochemical	Uranium, suspended sediment smaller than 62.5 microns, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 62.5 microns	Suspended		7440-61-1	Uranium	mg/kg
35004	Radiochemical	Uranium, suspended sediment larger than 62.5 microns, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	> 62.5 microns	Suspended		7440-61-1	Uranium	mg/kg
35043	Radiochemical	Thorium, suspended sediment, total digestion, dry weight, milligrams per kilogram	Not checked			Dry		Suspended		7440-29-1	Thorium-232	mg/kg
35046	Radiochemical	Uranium, suspended sediment, total digestion, dry weight, milligrams per kilogram	Not checked			Dry		Suspended		7440-61-1	Uranium	mg/kg
49256	Radiochemical	Thorium, biota, tissue, recoverable, dry weight, milligrams per kilogram	Agree			Dry		Recoverable		7440-29-1	Thorium-232	mg/kg
49257	Radiochemical	Uranium, biota, tissue, recoverable, dry weight, milligrams per kilogram	Agree			Dry		Recoverable		7440-61-1	Uranium	mg/kg
49290	Radiochemical	Gross alpha radioactivity, water, filtered, Am-241 curve, picocuries per liter	Not checked					Dissolved		12587-46-1	Alpha particle	pCi/L
49469	Radiochemical	Gross beta radioactivity counting error, water, unfiltered, Cs-137 curve, picocuries per liter	Agree	Counting Error				Total		12587-47-2	Beta particle	pCi/L
49470	Radiochemical	Gross alpha radioactivity, water, unfiltered, Pu-239 curve, picocuries per liter	Agree					Total		12587-46-1	Alpha particle	pCi/L
49471	Radiochemical	Gross alpha radioactivity counting error, water, unfiltered, Pu-239 curve, picocuries per liter	Agree	Counting Error				Total		12587-46-1	Alpha particle	pCi/L
49472	Radiochemical	Bismuth-212, water, unfiltered, picocuries per liter	Agree					Total		14913-49-6	Bismuth-212	pCi/L
49473	Radiochemical	Bismuth-212 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14913-49-6	Bismuth-212	pCi/L
49474	Radiochemical	Plutonium-239 plus plutonium-240 counting error, water, unfiltered, picocuries per liter	Not checked	Counting Error				Total		 	Plutonium-239 and Plutonium-240 combined	pCi/L
49475	Radiochemical	Plutonium-239 plus plutonium-240, water, unfiltered, picocuries per liter	Not checked					Total		 	Plutonium-239 and Plutonium-240 combined	pCi/L
49476	Radiochemical	Europium-152, water, unfiltered, picocuries per liter	Agree					Total		14683-23-9	Europium-152	pCi/L
49477	Radiochemical	Europium-152 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14683-23-9	Europium-152	pCi/L
49479	Radiochemical	Plutonium-239 plus plutonium-240 counting error, water, filtered, picocuries per liter	Not checked	Counting Error				Dissolved		 	Plutonium-239 and Plutonium-240 combined	pCi/L
49480	Radiochemical	Nickel-63, water, unfiltered, picocuries per liter	Agree					Total		13981-37-8	Nickel-63	pCi/L
49481	Radiochemical	Nickel-63 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13981-37-8	Nickel-63	pCi/L
49482	Radiochemical	Chlorine-36, water, unfiltered, picocuries per liter	Agree					Total		13981-43-6	Chlorine-36	pCi/L
49483	Radiochemical	Chlorine-36 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13981-43-6	Chlorine-36	pCi/L
49484	Radiochemical	Plutonium-239 plus plutonium-240 counting error, suspended sediment, picocuries per liter	Not checked	Counting Error				Suspended		 	Plutonium-239 and Plutonium-240 combined	pCi/L
49485	Radiochemical	Plutonium-239 plus plutonium-240, suspended sediment, picocuries per liter	Not checked					Suspended		 	Plutonium-239 and Plutonium-240 combined	pCi/L
49486	Radiochemical	Plutonium-238 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		13981-16-3	Plutonium-238	pCi/L
49487	Radiochemical	Plutonium-238, suspended sediment, picocuries per liter	Agree					Suspended		13981-16-3	Plutonium-238	pCi/L
49933	Radiochemical	Carbon-14, water, filtered, percent modern	Agree					Dissolved		14762-75-5	Carbon-14	pct modern
49934	Radiochemical	Carbon-14 counting error, water, filtered, percent modern	Agree	Counting Error				Dissolved		14762-75-5	Carbon-14	pct modern
49935	Radiochemical	Carbon-14 counting error, rock, percent modern	Agree	Counting Error						14762-75-5	Carbon-14	pct modern
49936	Radiochemical	Carbon-14, rock, percent modern	Agree							14762-75-5	Carbon-14	pct modern
49937	Radiochemical	Gamma radioactivity scan 2-sigma combined uncertainty, water, filtered, picocuries per liter	Agree	2-Sigma CSU				Dissolved		 	Gamma radiation	pCi/L
49938	Radiochemical	Gamma radioactivity scan, water, filtered, picocuries per liter	Agree					Dissolved		 	Gamma radiation	pCi/L
49939	Radiochemical	Plutonium-238 2-sigma combined uncertainty, water, filtered, picocuries per liter	Agree	2-Sigma CSU				Dissolved		13981-16-3	Plutonium-238	pCi/L
49940	Radiochemical	Plutonium-239 plus plutonium-240, water, filtered, picocuries per liter	Not checked					Dissolved		 	Plutonium-239 and Plutonium-240 combined	pCi/L
49941	Radiochemical	Plutonium-239 plus plutonium-240 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not checked	2-Sigma CSU				Dissolved		 	Plutonium-239 and Plutonium-240 combined	pCi/L
49942	Radiochemical	Americium-241 2-sigma combined uncertainty, water, filtered, picocuries per liter	Agree	2-Sigma CSU				Dissolved		14596-10-2	Americium-241	pCi/L
49943	Radiochemical	Tritium 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	Agree	2-Sigma CSU				Total		10028-17-8	Tritium	pCi/L
49944	Radiochemical	Gross alpha radioactivity, bed sediment, natural uranium curve, dry weight, milligrams per kilogram	Agree			Dry		Bed Sediment		12587-46-1	Alpha particle	mg/kg
49945	Radiochemical	Gross alpha radioactivity 2-sigma combined uncertainty, bed sediment, natural uranium curve, dry weight, milligrams per kilogram	Agree	2-Sigma CSU		Dry		Bed Sediment		12587-46-1	Alpha particle	mg/kg
49947	Radiochemical	Gross alpha radioactivity 2-sigma combined uncertainty, suspended sediment, natural uranium curve, dry weight, milligrams per kilogram	Agree	2-Sigma CSU		Dry		Suspended		12587-46-1	Alpha particle	mg/kg
49960	Radiochemical	Gross alpha radioactivity, suspended sediment, Th-230 curve, dry weight, picocuries per gram	Agree			Dry		Suspended		12587-46-1	Alpha particle	pCi/g
49961	Radiochemical	Gross alpha radioactivity 2-sigma combined uncertainty, suspended sediment, Th-230 curve, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Suspended		12587-46-1	Alpha particle	pCi/g
49962	Radiochemical	Gross beta radioactivity, bed sediment, Cs-137 curve, dry weight, picocuries per gram	Agree			Dry		Bed Sediment		12587-47-2	Beta particle	pCi/g
49963	Radiochemical	Gross beta radioactivity 2-sigma combined uncertainty, bed sediment, Cs-137 curve, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Bed Sediment		12587-47-2	Beta particle	pCi/g
49964	Radiochemical	Gross beta radioactivity, suspended sediment, Cs-137 curve, dry weight, picocuries per gram	Agree			Dry		Suspended		12587-47-2	Beta particle	pCi/g
49965	Radiochemical	Gross beta radioactivity 2-sigma combined uncertainty, suspended sediment, Cs-137 curve, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Suspended		12587-47-2	Beta particle	pCi/g
49967	Radiochemical	Gross beta radioactivity 2-sigma combined uncertainty, suspended sediment, Sr-89/90 curve, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Suspended		12587-47-2	Beta particle	pCi/g
49968	Radiochemical	Gamma radioactivity scan 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Bed Sediment		 	Gamma radiation	pCi/g
49970	Radiochemical	Gamma radioactivity scan, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		 	Gamma radiation	pCi/g
49971	Radiochemical	Gamma radioactivity scan 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Suspended		 	Gamma radiation	pCi/g
49972	Radiochemical	Radium-226, bed sediment, dry weight, picocuries per gram	Agree			Dry		Bed Sediment		13982-63-3	Radium-226	pCi/g
49973	Radiochemical	Radium-226 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Bed Sediment		13982-63-3	Radium-226	pCi/g
49974	Radiochemical	Plutonium-238, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		13981-16-3	Plutonium-238	pCi/g
49975	Radiochemical	Plutonium-238 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Suspended		13981-16-3	Plutonium-238	pCi/g
49976	Radiochemical	Plutonium-239 plus plutonium-240, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		 	Plutonium-239 and Plutonium-240 combined	pCi/g
49977	Radiochemical	Plutonium-239 plus plutonium-240 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Suspended		 	Plutonium-239 and Plutonium-240 combined	pCi/g
49978	Radiochemical	Cesium-137, bed sediment, dry weight, picocuries per gram	Agree			Dry		Bed Sediment		10045-97-3	Cesium-137	pCi/g
49979	Radiochemical	Cesium-137 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Bed Sediment		10045-97-3	Cesium-137	pCi/g
49980	Radiochemical	Americium-241, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		14596-10-2	Americium-241	pCi/g
49981	Radiochemical	Americium-241 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Suspended		14596-10-2	Americium-241	pCi/g
50420	Radiochemical	Plutonium-239 plus plutonium-240, bed sediment, dry weight, picocuries per gram	Agree			Dry		Bed Sediment		 	Plutonium-239 and Plutonium-240 combined	pCi/g
50421	Radiochemical	Plutonium-239 plus plutonium-240 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Bed Sediment		 	Plutonium-239 and Plutonium-240 combined	pCi/g
50422	Radiochemical	Plutonium-238 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Agree	2-Sigma CSU		Dry		Bed Sediment		13981-16-3	Plutonium-238	pCi/g
50423	Radiochemical	Plutonium-238, bed sediment, dry weight, picocuries per gram	Agree			Dry		Bed Sediment		13981-16-3	Plutonium-238	pCi/g
50833	Radiochemical	Radium-224, water, filtered, picocuries per liter	Agree					Dissolved		13233-32-4	Radium-224	pCi/L
50834	Radiochemical	Radium-224 2-sigma combined uncertainty, water, filtered, picocuries per liter	Agree	2-Sigma CSU				Dissolved		13233-32-4	Radium-224	pCi/L
50835	Radiochemical	Radium-224, water, unfiltered, picocuries per liter	Agree					Total		13233-32-4	Radium-224	pCi/L
50836	Radiochemical	Radium-224 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	Agree	2-Sigma CSU				Total		13233-32-4	Radium-224	pCi/L
50837	Radiochemical	Radium-226, water, filtered, gamma count, picocuries per liter	Agree					Dissolved		13982-63-3	Radium-226	pCi/L
50838	Radiochemical	Radium-226, water, unfiltered, gamma count, picocuries per liter	Agree					Total		13982-63-3	Radium-226	pCi/L
50839	Radiochemical	Radium-228, water, unfiltered, gamma count, picocuries per liter	Agree					Total		15262-20-1	Radium-228	pCi/L
50840	Radiochemical	Radium-228 2-sigma combined uncertainty, water, unfiltered, gamma count, picocuries per liter	Agree	2-Sigma CSU				Total		15262-20-1	Radium-228	pCi/L
50911	Radiochemical	Radium-226 2-sigma combined uncertainty, water, filtered, gamma count, picocuries per liter	Agree	2-Sigma CSU				Dissolved		13982-63-3	Radium-226	pCi/L
50912	Radiochemical	Radium-226 2-sigma combined uncertainty, water, unfiltered, gamma count, picocuries per liter	Agree	2-Sigma CSU				Total		13982-63-3	Radium-226	pCi/L
51170	Radiochemical	Uranium, soil, field, x-ray fluorescence screening method, parts per million	Not checked							7440-61-1	Uranium	ppm
51172	Radiochemical	Thorium, soil, field, x-ray fluorescence screening method, parts per million	Not checked							7440-29-1	Thorium-232	ppm
51396	Radiochemical	Thorium, bed sediment smaller than 150 um, dry sieved, lab, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	<150 um	Bed Sediment		7440-29-1	 	mg/kg
51399	Radiochemical	Uranium, bed sediment smaller than 150 um, dry sieved, lab, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	<150 um	Bed Sediment		7440-61-1	Uranium	mg/kg
51752	Radiochemical	Uranium, soil, recoverable, wet weight, micrograms per kilogram	Not checked			Wet		Recoverable		7440-61-1	Uranium	ug/kg
52385	Radiochemical	Uranium, bed sediment smaller than 250 microns, dry sieved, laboratory, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 2 mm	Bed Sediment		7440-61-1	 	mg/kg
53646	Radiochemical	Uranium, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 2 mm	Bed Sediment		7440-61-1	 	mg/kg
53672	Radiochemical	Uranium, bed sediment, recoverable, dry weight, milligrams per kilogram	Not checked			Dry		Bed Sediment		7440-61-1	 	mg/kg
53719	Radiochemical	Uranium, bed sediment, 0.25 M hydroxylamine hydrochloride acid extracted, recoverable, dry weight, milligrams per kilogram	Not checked			Dry		Bed Sediment		7440-61-1	 	mg/kg
53956	Radiochemical	Radium-228, borehole cuttings, dry weight, becquerels per gram	Not checked							15262-20-1	 	bq/g
53957	Radiochemical	Chlorine-36, water, filtered, picocuries per liter	Not checked					Dissolved		13981-43-6	 	pCi/L
53958	Radiochemical	Chlorine-36 counting error, water, filtered, picocuries per liter	Not checked					Dissolved		13981-43-6	 	pCi/L
61053	Radiochemical	Uranium, bed sediment smaller than 2 millimeters, total digestion, dry weight, milligrams per kilogram	Not checked			Dry	< 2 mm	Bed Sediment		7440-61-1	Uranium	mg/kg
61220	Radiochemical	Gross beta radioactivity counting error, water, unfiltered, Sr-90/Y-90 curve, picocuries per liter	Agree	Counting Error						 	 	pCi/L
61722	Radiochemical	Thorium, bed sediment smaller than 2 millimeters, wet sieved (native water), total digestion, dry weight, milligrams per kilogram	Agree			Dry	< 2 mm	Bed Sediment		7440-29-1	Thorium-232	mg/kg
61738	Radiochemical	Thorium-228, water, filtered, picocuries per liter	Agree					Dissolved		14274-82-9	Thorium-228	pCi/L
61739	Radiochemical	Thorium-228 2-sigma combined uncertainty, water, filtered, picocuries per liter	Agree	2-Sigma CSU				Dissolved		14274-82-9	Thorium-228	pCi/L
61949	Radiochemical	Plutonium-238 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		13981-16-3	Plutonium-238	pCi/L
61950	Radiochemical	Plutonium-239 plus plutonium-240 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		 	Plutonium-239 and Plutonium-240 combined	pCi/L
62159	Radiochemical	Americium-241 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		14596-10-2	Americium-241	pCi/L
62160	Radiochemical	Lead-210 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		14255-04-0	Lead-210	pCi/L
62161	Radiochemical	Radium-226 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		13982-63-3	Radium-226	pCi/L
62162	Radiochemical	Radium-228 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		15262-20-1	Radium-228	pCi/L
62163	Radiochemical	Strontium-90 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		10098-97-2	Strontium-90	pCi/L
62164	Radiochemical	Gross gamma radioactivity, water, unfiltered, picocuries per liter	USGS use and no use by EPA					Total		 	Gamma radiation	pCi/L
62165	Radiochemical	Gross gamma radioactivity 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		 	Gamma radiation	pCi/L
62487	Radiochemical	Lead-210, sediment, dry weight, becquerels per gram	USGS use and no use by EPA			Dry				14255-04-0	Lead-210	bq/g
62488	Radiochemical	Lead-210 1-sigma precision estimate, sediment, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry				14255-04-0	Lead-210	bq/g
62489	Radiochemical	Lead-210, soil, dry weight, becquerels per gram	USGS use and no use by EPA			Dry		Total		14255-04-0	Lead-210	bq/g
62490	Radiochemical	Lead-210 1-sigma precision estimate, soil, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry		Total		14255-04-0	Lead-210	bq/g
62491	Radiochemical	Cesium-137, sediment, dry weight, becquerels per gram	USGS use and no use by EPA			Dry				10045-97-3	Cesium-137	bq/g
62492	Radiochemical	Cesium-137 1-sigma precision estimate, sediment, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry				10045-97-3	Cesium-137	bq/g
62493	Radiochemical	Cesium-137, soil, dry weight, becquerels per gram	USGS use and no use by EPA			Dry		Total		10045-97-3	Cesium-137	bq/g
62494	Radiochemical	Cesium-137 1-sigma precision estimate, soil, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry		Total		10045-97-3	Cesium-137	bq/g
62495	Radiochemical	Beryllium-7, sediment, dry weight, becquerels per gram	USGS use and no use by EPA			Dry				13966-02-4	Beryllium-7	bq/g
62496	Radiochemical	Beryllium-7 1-sigma precision estimate, sediment, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry				13966-02-4	Beryllium-7	bq/g
62497	Radiochemical	Beryllium-7, soil, dry weight, becquerels per gram	USGS use and no use by EPA			Dry		Total		13966-02-4	Beryllium-7	bq/g
62498	Radiochemical	Beryllium-7 1-sigma precision estimate, soil, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry		Total		13966-02-4	Beryllium-7	bq/g
62499	Radiochemical	Radium-226, borehole cuttings, dry weight, becquerels per gram	USGS use and no use by EPA			Dry				13982-63-3	Radium-226	bq/g
62500	Radiochemical	Radium-226 1-sigma precision estimate, borehole cuttings, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry				13982-63-3	Radium-226	bq/g
62501	Radiochemical	Radium-226, soil, dry weight, becquerels per gram	USGS use and no use by EPA			Dry		Total		13982-63-3	Radium-226	bq/g
62502	Radiochemical	Radium-226 1-sigma precision estimate, soil, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry		Total		13982-63-3	Radium-226	bq/g
62503	Radiochemical	Potassium-40, sediment, dry weight, becquerels per gram	USGS use and no use by EPA			Dry				13966-00-2	Potassium-40	bq/g
62504	Radiochemical	Potassium-40 1-sigma precision estimate, sediment, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry				13966-00-2	Potassium-40	bq/g
62505	Radiochemical	Potassium-40, soil, dry weight, becquerels per gram	USGS use and no use by EPA			Dry		Total		13966-00-2	Potassium-40	bq/g
62506	Radiochemical	Potassium-40 1-sigma precision estimate, soil, dry weight, becquerels per gram	USGS use and no use by EPA	1-Sigma CSU		Dry		Total		13966-00-2	Potassium-40	bq/g
62626	Radiochemical	Americium-241 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	USGS use and no use by EPA	2-Sigma CSU		Dry		Bed Sediment		14596-10-2	Americium-241	pCi/g
62627	Radiochemical	Gross alpha radioactivity 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		12587-46-1	Alpha particle	pCi/L
62628	Radiochemical	Gross beta radioactivity 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		12587-47-2	Beta particle	pCi/L
62629	Radiochemical	Strontium-90 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	USGS use and no use by EPA	2-Sigma CSU		Dry		Bed Sediment		10098-97-2	Strontium-90	pCi/g
62630	Radiochemical	Thorium-228 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		14274-82-9	Thorium-228	pCi/L
62631	Radiochemical	Thorium-230 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		14269-63-7	Thorium-230	pCi/L
62632	Radiochemical	Thorium-232 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		7440-29-1	Thorium-232	pCi/L
62633	Radiochemical	Uranium-234 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		13966-29-5	Uranium-234	pCi/L
62634	Radiochemical	Uranium-235 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		15117-96-1	Uranium-235	pCi/L
62635	Radiochemical	Uranium-238 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU				Total		7440-61-1	Uranium	pCi/L
62636	Radiochemical	Gross alpha radioactivity, 72 hour count, water, filtered, Th-230 curve, picocuries per liter	USGS use and no use by EPA		72 Hour			Dissolved		12587-46-1	Alpha particle	pCi/L
62637	Radiochemical	Gross alpha radioactivity 2-sigma combined uncertainty, 72 hour count, water, filtered, Th-230 curve, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU	72 Hour			Dissolved		12587-46-1	Alpha particle	pCi/L
62638	Radiochemical	Gross alpha radioactivity minimum detectable concentration, 72 hour count, water, filtered, Th-230 curve, picocuries per liter	USGS use and no use by EPA		72 Hour			Dissolved		12587-46-1	Alpha particle	pCi/L
62639	Radiochemical	Gross alpha radioactivity, 30 day count, water, filtered, Th-230 curve, picocuries per liter	USGS use and no use by EPA		30 Day			Dissolved		12587-46-1	Alpha particle	pCi/L
62640	Radiochemical	Gross alpha radioactivity 2-sigma combined uncertainty, 30 day count, water, filtered, Th-230 curve, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU	30 Day			Dissolved		12587-46-1	Alpha particle	pCi/L
62641	Radiochemical	Gross alpha radioactivity minimum detectable concentration, 30 day count, water, filtered, Th-230 curve, picocuries per liter	USGS use and no use by EPA		30 Day			Dissolved		12587-46-1	Alpha particle	pCi/L
62642	Radiochemical	Gross beta radioactivity, 72 hour count, water, filtered, Cs-137 curve, picocuries per liter	USGS use and no use by EPA		72 Hour			Dissolved		12587-47-2	Beta particle	pCi/L
62643	Radiochemical	Gross beta radioactivity 2-sigma combined uncertainty, 72 hour count, water, filtered, Cs-137 curve, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU	72 Hour			Dissolved		12587-47-2	Beta particle	pCi/L
62644	Radiochemical	Gross beta radioactivity minimum detectable concentration, 72 hour count, water, filtered, Cs-137 curve, picocuries per liter	USGS use and no use by EPA		72 Hour			Dissolved		12587-47-2	Beta particle	pCi/L
62645	Radiochemical	Gross beta radioactivity, 30 day count, water, filtered, Cs-137 curve, picocuries per liter	USGS use and no use by EPA		30 Day			Dissolved		12587-47-2	Beta particle	pCi/L
62646	Radiochemical	Gross beta radioactivity 2-sigma combined uncertainty, 30 day count, water, filtered, Cs-137 curve, picocuries per liter	USGS use and no use by EPA	2-Sigma CSU	30 Day			Dissolved		12587-47-2	Beta particle	pCi/L
62647	Radiochemical	Gross beta radioactivity minimum detectable concentration, 30 day count, water, filtered, Cs-137 curve, picocuries per liter	USGS use and no use by EPA		30 Day			Dissolved		12587-47-2	Beta particle	pCi/L
63014	Radiochemical	Gross alpha radioactivity, 72 hour count, water, unfiltered, Th-230 curve, picocuries per liter	USGS use and no use by EPA		72 Hour			Total		12587-46-1	Alpha particle	pCi/L
63015	Radiochemical	Gross beta radioactivity, 72 hour count, water, unfiltered, Cs-137 curve, picocuries per liter	USGS use and no use by EPA		72 Hour			Total		12587-47-2	Beta particle	pCi/L
63016	Radiochemical	Gross alpha radioactivity, 30 day recount, water, unfiltered, Th-230 curve, picocuries per liter	USGS use and no use by EPA		30 Day			Total		12587-46-1	Alpha particle	pCi/L
63017	Radiochemical	Gross beta radioactivity, 30 day recount, water, unfiltered, Cs-137 curve, picocuries per liter	USGS use and no use by EPA		30 Day			Total		12587-47-2	Beta particle	pCi/L
63018	Radiochemical	Gross alpha radioactivity, water, unfiltered, Th-230 curve, picocuries per liter	USGS use and no use by EPA					Total		12587-46-1	Alpha particle	pCi/L
63019	Radiochemical	Plutonium-241, water, filtered, picocuries per liter	USGS use and no use by EPA					Dissolved		14119-32-5	Plutonium-241	pCi/L
63020	Radiochemical	Plutonium-241, water, unfiltered, picocuries per liter	USGS use and no use by EPA					Total		14119-32-5	Plutonium-241	pCi/L
63021	Radiochemical	Plutonium-241, suspended sediment, dry weight, picocuries per gram	USGS use and no use by EPA			Dry		Suspended		14119-32-5	Plutonium-241	pCi/g
63022	Radiochemical	Plutonium-241, bed sediment, dry weight, picocuries per gram	USGS use and no use by EPA			Dry		Bed Sediment		14119-32-5	Plutonium-241	pCi/g
63023	Radiochemical	Radium-224, suspended sediment, dry weight, picocuries per gram	USGS use and no use by EPA			Dry		Suspended		13233-32-4	Radium-224	pCi/g
63024	Radiochemical	Thorium-228, suspended sediment, picocuries per gram	USGS use and no use by EPA					Suspended		14274-82-9	Thorium-228	pCi/g
63025	Radiochemical	Alpha-emitting isotopes of radium, water, unfiltered, picocuries per liter	USGS use and no use by EPA					Total		 	 	pCi/L
63026	Radiochemical	Alpha-emitting isotopes of radium, suspended sediment, dry weight, picocuries per gram	USGS use and no use by EPA			Dry		Suspended		 	 	pCi/g
63027	Radiochemical	Alpha-emitting isotopes of radium, bed sediment, dry weight, picocuries per gram	USGS use and no use by EPA			Dry		Bed Sediment		 	 	pCi/g
63028	Radiochemical	Total radioactive strontium, water, filtered, picocuries per liter	USGS use and no use by EPA					Dissolved		 	Strontium Radionuclides	pCi/L
63029	Radiochemical	Total radioactive strontium, water, unfiltered, picocuries per liter	USGS use and no use by EPA					Total		 	Strontium Radionuclides	pCi/L
63030	Radiochemical	Total radioactive strontium, suspended sediment, dry weight, picocuries per gram	USGS use and no use by EPA			Dry		Suspended		 	Strontium Radionuclides	pCi/g
63031	Radiochemical	Total radioactive strontium, bed sediment, dry weight, picocuries per gram	USGS use and no use by EPA			Dry		Bed Sediment		 	Strontium Radionuclides	pCi/g
63032	Radiochemical	Uranium, water, unfiltered, micrograms per liter	USGS use and no use by EPA					Total		7440-61-1	Uranium	ug/l
63033	Radiochemical	Uranium, suspended sediment, dry weight, milligrams per kilogram	USGS use and no use by EPA			Dry		Suspended		7440-61-1	Uranium	mg/kg
63807	Radiochemical	Uranium, biota, tissue, recoverable, wet weight, milligrams per kilogram	USGS use and no use by EPA			Wet		Recoverable		7440-61-1	Uranium	mg/kg
64183	Radiochemical	Uranium, solids, dry weight, recoverable, milligrams per kilogram	USGS use and no use by EPA			Dry		Recoverable		7440-61-1	Uranium	mg/kg
65221	Radiochemical	Carbon-14 in organic carbon, water, filtered, percent modern	USGS use and no use by EPA					Dissolved		14762-75-5	 	pct modern
65222	Radiochemical	Carbon-14 in organic carbon 1-sigma uncertainty, water, filtered, percent modern	USGS use and no use by EPA	1-Sigma CSU				Dissolved		14762-75-5	 	pct modern
65244	Radiochemical	Carbon-14 in methane, water, dissolved, percent modern	USGS use and no use by EPA					Dissolved		14762-75-5	Carbon-14	%
68802	Radiochemical	Uranium, bed sediment, recoverable, wet weight, micrograms per kilogram	USGS use and no use by EPA			Wet		Bed Sediment		7440-61-1	Uranium	ug/kg
69902	Radiochemical	Carbon-14 in carbon dioxide 1-sigma uncertainty, soil gas, percent modern	USGS use and no use by EPA	1-Sigma CSU						14762-75-5	Carbon-14	pct modern
69903	Radiochemical	Carbon-14 in carbon dioxide, soil gas, percent modern	USGS use and no use by EPA							14762-75-5	Carbon-14	pct modern
75031	Radiochemical	Zirconium, niobium-95, counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		 	Zirconium/Niobium-95	pCi/L
75032	Radiochemical	Zirconium, niobium-95, water, unfiltered, picocuries per liter	Agree					Total		 	Zirconium/Niobium-95	pCi/L
75037	Radiochemical	Potassium-40 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		13966-00-2	Potassium-40	pCi/L
75038	Radiochemical	Potassium-40, water, unfiltered, picocuries per liter	Agree					Total		13966-00-2	Potassium-40	pCi/L
75936	Radiochemical	Thorium-232 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		7440-29-1	Thorium-232	pCi/g
75937	Radiochemical	Radium-228, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		15262-20-1	Radium-228	pCi/g
75939	Radiochemical	Thorium-230, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		14269-63-7	Thorium-230	pCi/g
75940	Radiochemical	Uranium-238, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		7440-61-1	Uranium	pCi/g
75941	Radiochemical	Uranium-234 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		13966-29-5	Uranium-234	pCi/g
75942	Radiochemical	Uranium-234, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		13966-29-5	Uranium-234	pCi/g
75943	Radiochemical	Radium-226 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		13982-63-3	Radium-226	pCi/g
75944	Radiochemical	Radium-226, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		13982-63-3	Radium-226	pCi/g
75945	Radiochemical	Polonium-210 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		13981-52-7	Polonium-210	pCi/g
75946	Radiochemical	Lead-210, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		14255-04-0	Lead-210	pCi/g
75947	Radiochemical	Uranium-235 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		15117-96-1	Uranium-235	pCi/g
75948	Radiochemical	Radium-228 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		15262-20-1	Radium-228	pCi/g
75949	Radiochemical	Lead-210 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		14255-04-0	Lead-210	pCi/g
75952	Radiochemical	Thorium-230 2-sigma combined uncertainty, suspended sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Suspended		14269-63-7	Thorium-230	pCi/g
75953	Radiochemical	Thorium-232, suspended sediment, dry weight, picocuries per gram	Agree			Dry		Suspended		7440-29-1	Thorium-232	pCi/g
75955	Radiochemical	Alpha radioactivity 2-sigma combined uncertainty, bed sediment, Th-230 curve, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Bed Sediment		12587-46-1	Alpha particle	pCi/g
75962	Radiochemical	Uranium-238 2-sigma combined uncertainty, bed sediment, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Bed Sediment		 	Uranium	pCi/g
75965	Radiochemical	Alpha radioactivity 2-sigma combined uncertainty, bed sediment, natural uranium curve, dry weight, milligrams per kilogram	Not agree	2-Sigma CSU		Dry		Bed Sediment		12587-46-1	Alpha particle	mg/kg
75966	Radiochemical	Beta radioactivity 2-sigma combined uncertainty, bed sediment, Sr-90/Y-90 curve, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Bed Sediment		12587-47-2	Beta particle	pCi/g
75968	Radiochemical	Lead-210 2-sigma combined uncertainty, soil, dry weight, picocuries per gram	Not agree	2-Sigma CSU		Dry		Total		14255-04-0	Lead-210	pCi/g
75975	Radiochemical	Uranium-235, suspended sediment, dry weight, picocuries per gram	Not agree			Dry		Suspended		15117-96-1	Uranium-235	pCi/g
75976	Radiochemical	Thorium-232, water, filtered, picocuries per liter	Agree					Dissolved		7440-29-1	Thorium-232	pCi/L
75977	Radiochemical	Radium-228, bed sediment, dry weight, picocuries per gram	Agree			Dry		Bed Sediment		15262-20-1	Radium-228	pCi/g
75985	Radiochemical	Tritium 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	Not checked	2-Sigma CSU				Total		10028-17-8	Tritium	pCi/L
75986	Radiochemical	Alpha radioactivity 2-sigma combined uncertainty, water, filtered, natural uranium curve, micrograms per liter	Not agree	2-Sigma CSU				Dissolved		12587-46-1	Alpha particle	ug/l
75987	Radiochemical	Alpha radioactivity 2-sigma combined uncertainty, water, filtered, Th-230 curve, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		12587-46-1	Alpha particle	pCi/L
75988	Radiochemical	Beta radioactivity 2-sigma combined uncertainty, water, filtered, Sr-90/Y-90 curve, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		12587-47-2	Beta particle	pCi/L
75989	Radiochemical	Beta radioactivity 2-sigma combined uncertainty, water, filtered, Cs-137 curve, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		12587-47-2	Beta particle	pCi/L
75990	Radiochemical	Uranium (natural) 2-sigma combined uncertainty, water, filtered, micrograms per liter	Not agree	2-Sigma CSU				Dissolved		7440-61-1	Uranium	ug/l
75991	Radiochemical	Uranium-238 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		7440-61-1	Uranium	pCi/L
75992	Radiochemical	Uranium-234 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		13966-29-5	Uranium-234	pCi/L
75993	Radiochemical	Uranium (natural) 2-sigma combined uncertainty, water, unfiltered, micrograms per liter	Not agree	2-Sigma CSU				Total		7440-61-1	Uranium	ug/l
75994	Radiochemical	Uranium-235 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		15117-96-1	Uranium-235	pCi/L
75995	Radiochemical	Lead-210 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		14255-04-0	Lead-210	pCi/L
75997	Radiochemical	Thorium-230 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		14269-63-7	Thorium-230	pCi/L
75998	Radiochemical	Polonium-210 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		13981-52-7	Polonium-210	pCi/L
75999	Radiochemical	Thorium-232 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		7440-29-1	Thorium-232	pCi/L
76000	Radiochemical	Radium-228 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		15262-20-1	Radium-228	pCi/L
76001	Radiochemical	Radium-226 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		13982-63-3	Radium-226	pCi/L
76002	Radiochemical	Radon-222 2-sigma combined uncertainty, water, unfiltered, picocuries per liter	Not agree	2-Sigma CSU				Total		14859-67-7	Radon-222	pCi/L
76003	Radiochemical	Strontium-90 2-sigma combined uncertainty, water, filtered, picocuries per liter	Not agree	2-Sigma CSU				Dissolved		10098-97-2	Strontium-90	pCi/L
76004	Radiochemical	Alpha radioactivity 2-sigma combined uncertainty, suspended sediment, Th-230 curve, picocuries per liter	Not agree	2-Sigma CSU				Suspended		12587-46-1	Alpha particle	pCi/L
76005	Radiochemical	Beta radioactivity 2-sigma combined uncertainty, suspended sediment, Cs-137 curve, picocuries per liter	Not agree	2-Sigma CSU				Suspended		12587-47-2	Beta particle	pCi/L
76006	Radiochemical	Lead-210, soil, dry weight, picocuries per gram	Agree			Dry		Total		14255-04-0	Lead-210	pCi/g
76007	Radiochemical	Cesium-137, soil, dry weight, picocuries per gram	Not checked			Dry		Total		10045-97-3	Cesium-137	pCi/g
80010	Radiochemical	Uranium, water, filtered, direct fluorometric method, picocuries per liter	Agree					Dissolved		7440-61-1	Uranium	pCi/L
80015	Radiochemical	Uranium, water, filtered, extraction fluorometric method, picocuries per liter	Agree					Dissolved		7440-61-1	Uranium	pCi/L
80020	Radiochemical	Uranium, water, filtered, extraction fluorometric method, micrograms per liter	Agree					Dissolved		7440-61-1	Uranium	ug/l
80029	Radiochemical	Gross alpha radioactivity, water, unfiltered, natural uranium curve, micrograms per liter	Not agree					Total		12587-46-1	Alpha particle	ug/l
80030	Radiochemical	Gross alpha radioactivity, water, filtered, natural uranium curve, micrograms per liter	Agree					Dissolved		12587-46-1	Alpha particle	ug/l
80040	Radiochemical	Gross alpha radioactivity, suspended sediment, natural uranium curve, micrograms per liter	Agree					Suspended		12587-46-1	Alpha particle	ug/l
80049	Radiochemical	Gross beta radioactivity, water, unfiltered, Sr-90/Y-90 curve, picocuries per liter	Agree					Total		12587-47-2	Beta particle	pCi/L
80050	Radiochemical	Gross beta radioactivity, water, filtered, Sr-90/Y-90 curve, picocuries per liter	Agree					Dissolved		12587-47-2	Beta particle	pCi/L
80060	Radiochemical	Gross beta radioactivity, suspended sediment, Sr-90/Y-90 curve, picocuries per liter	Agree					Suspended		12587-47-2	Beta particle	pCi/L
81366	Radiochemical	Radium-228, water, filtered, picocuries per liter	Agree					Dissolved		15262-20-1	Radium-228	pCi/L
81367	Radiochemical	Radium-228 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		15262-20-1	Radium-228	pCi/L
81368	Radiochemical	Radium-228, suspended sediment, picocuries per liter	Agree					Suspended		15262-20-1	Radium-228	pCi/L
81369	Radiochemical	Radium-228 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		15262-20-1	Radium-228	pCi/L
82068	Radiochemical	Potassium-40, water, filtered, picocuries per liter	Agree					Dissolved		13966-00-2	Potassium-40	pCi/L
82069	Radiochemical	Potassium-40 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		13966-00-2	Potassium-40	pCi/L
82071	Radiochemical	Potassium-40 counting error, suspended sediment, picocuries per liter	Agree	Counting Error				Suspended		13966-00-2	Potassium-40	pCi/L
82087	Radiochemical	Uranium-238/uranium-234, water, unfiltered, ratio	Not checked					Total		 	Uranium 238/234 ratio	ratio
82171	Radiochemical	Adjusted age, water, filtered, carbon-14, years	Agree					Dissolved		 	 	years
82172	Radiochemical	Carbon-14, percent modern	Agree							14762-75-5	Carbon-14	pct modern
82302	Radiochemical	Radon-222 counting error, water, unfiltered, picocuries per liter	Agree	Counting Error				Total		14859-67-7	Radon-222	pCi/L
82303	Radiochemical	Radon-222, water, unfiltered, picocuries per liter	Agree					Total		14859-67-7	Radon-222	pCi/L
82304	Radiochemical	Radon-222 counting error, water, dissolved, picocuries per liter	Agree	Counting Error				Dissolved		14859-67-7	Radon-222	pCi/L
82305	Radiochemical	Radon-222, water, dissolved, picocuries per liter	Agree					Dissolved		14859-67-7	Radon-222	pCi/L
82306	Radiochemical	Cobalt-60 counting error, water, filtered, picocuries per liter	Agree	Counting Error				Dissolved		10198-40-0	Cobalt-60	pCi/L
82307	Radiochemical	Cobalt-60, water, filtered, picocuries per liter	Agree					Dissolved		10198-40-0	Cobalt-60	pCi/L
82313	Radiochemical	Thorium, bed sediment, dry weight, micrograms per kilogram	Agree			Dry		Bed Sediment		7440-29-1	Thorium-232	ug/kg
82362	Radiochemical	Radon-222, water, dissolved, picocuries per liter	Agree					Dissolved		14859-67-7	Radon-222	pCi/L
82364	Radiochemical	Thorium, water, unfiltered, micrograms per liter	Agree					Total		7440-29-1	Thorium-232	ug/l
82365	Radiochemical	Thorium, water, filtered, micrograms per liter	Agree					Dissolved		7440-29-1	Thorium-232	ug/l
82735	Radiochemical	Carbon-14, organic solid materials, percent modern	Not checked							14762-75-5	 	pct modern
82738	Radiochemical	Chlorine-36/chlorine-35 ratio in perchlorate, water, unfiltered, ratio	Not checked					Total		13981-43-6	Chlorine-36	ratio
82800	Radiochemical	Uranium-238/uranium-235, water, filtered, ratio	Not checked					Dissolved		 	 	ratio
82801	Radiochemical	Uranium-238/uranium-234, water, filtered, ratio	Not checked					Dissolved		 	Uranium 238/234 ratio	ratio
85608	Radiochemical	Krypton-78, water, unfiltered, cubic centimeters per gram at standard temperature and pressure	Not checked					Dissolved		33580-79-9	 	cm3/g @STP
85609	Radiochemical	Krypton-78 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure	Not checked					Dissolved		33580-79-9	 	cm3/g @STP
85620	Radiochemical	Xenon-124, water, unfiltered, cubic centimeters per gram at standard temperature and pressure	Not checked					Dissolved		15687-60-2	 	cm3/g @STP
85621	Radiochemical	Xenon-124 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure	Not checked					Dissolved		15687-60-2	 	cm3/g @STP
85634	Radiochemical	Xenon-136, water, unfiltered, cubic centimeters per gram at standard temperature and pressure	Not checked					Dissolved		15751-79-8	 	cm3/g @STP
85635	Radiochemical	Xenon-136 error, water, unfiltered, cubic centimeters per gram at standard temperature and pressure	Not checked					Dissolved		15751-79-8	 	cm3/g @STP
85636	Radiochemical	Argon-39, water, unfiltered, percent modern argon	Not checked					Dissolved		25729-41-3	 	pct modern
85637	Radiochemical	Argon-39 error, water, unfiltered, percent modern argon	Not checked					Dissolved		25729-41-3	 	pct modern
85638	Radiochemical	Krypton-81, water, dissolved, percent modern krypton	Not checked					Dissolved		15678-91-8	 	pct modern
85639	Radiochemical	Krypton-81 error, water, dissolved, percent modern krypton	Not checked					Dissolved		15678-91-8	 	pct modern
85640	Radiochemical	Krypton-85, water, unfiltered, disintegrations per minute per cubic centimeter at standard temperature and pressure	Not checked					Dissolved		13983-27-2	 	dpm/cm3
85641	Radiochemical	Krypton-85 error, water, unfiltered, disintegrations per minute per cubic centimeter at standard temperature and pressure	Not checked					Dissolved		13983-27-2	 	dpm/cm3
85817	Radiochemical	Gross beta radioactivity, water, unfiltered, picocuries per liter	Agree					Total		12587-47-2	Beta particle	pCi/L
91703	Radiochemical	Uranium, solids, 10% nitric acid extracted, recoverable, dry weight, milligrams per kilogram	USGS use and no use by EPA			Dry		Recoverable		7440-61-1	Uranium	mg/kg
91725	Radiochemical	Uranium, solids, 6 N hydrochloric acid extracted, recoverable, dry weight, milligrams per kilogram	USGS use and no use by EPA			Dry		Recoverable		7440-61-1	Uranium	mg/kg
99323	Radiochemical	Gross beta radioactivity sample-specific minimum detectable concentration, water, filtered, picocuries per liter	USGS use and no use by EPA					Dissolved		12587-47-2	Beta particle	pCi/L
99324	Radiochemical	Radium-224 sample-specific minimum detectable concentration, water, filtered, picocuries per liter	USGS use and no use by EPA					Dissolved		13233-32-4	Radium-224	pCi/L
99325	Radiochemical	Radium-226 sample-specific minimum detectable concentration, water, filtered, picocuries per liter	USGS use and no use by EPA					Dissolved		13982-63-3	Radium-226	pCi/L
99326	Radiochemical	Radium-228 sample-specific minimum detectable concentration, water, filtered, picocuries per liter	USGS use and no use by EPA					Dissolved		15262-20-1	Radium-228	pCi/L
99327	Radiochemical	Radon-222 sample-specific minimum detectable concentration, water, unfiltered, picocuries per liter	USGS use and no use by EPA					Total		14859-67-7	Radon-222	pCi/L
99337	Radiochemical	Gross alpha radioactivity 2X critical level (sample-specific minimum detectable concentration), water, filtered, picocuries per liter	USGS use and no use by EPA					Dissolved		12587-46-1	Alpha particle	pCi/L
99451	Radiochemical	Gamma radioactivity scan, bed sediment, dry weight, picocuries per gram	USGS use and no use by EPA			Dry		Bed Sediment		 	Gamma radiation	pCi/g