# # National Water Information System # 2024/12/04 # # # Date Retrieved: USGS Water Data for the Nation Help System # 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