| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (43) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (13) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (28) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (44) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (19) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (53) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (70) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (52) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (6) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (30) |
USGS O-1126-95 |
1995 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory - Determination of Pesticides in Water by C-18 SPE and Capillary-Column GC-MS with Select-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID Footnote 14 |
USGS O-1121-91 |
1991 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory--Determination of Organonitrogen Herbicides in Waster by Solid-Phase Extraction and Capillary-Column Gas Chromatography/Mass Spectrometry with Selected-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table ID (2) |
USGS O-1121-91 |
1991 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory--Determination of Organonitrogen Herbicides in Waster by Solid-Phase Extraction and Capillary-Column Gas Chromatography/Mass Spectrometry with Selected-Ion Monitoring
|
U.S. Geological Survey |
| Environmental Protection Agency |
86 FR 27226 |
40 CFR 136 |
USGS Method O– 4436–16 |
2016 |
Clean Water Act Methods Update Rule for the Analysis of Effluent
|
U.S. Environmental Protection Agency |
| Environmental Protection Agency |
86 FR 27226 |
40 CFR 136 |
USGS Method O– 4127–96 |
1996 |
Clean Water Act Methods Update Rule for the Analysis of Effluent
|
U.S. Environmental Protection Agency |
| Environmental Protection Agency |
86 FR 27226 |
40 CFR 136 |
USGS Method I–4472–97 |
1997 |
Clean Water Act Methods Update Rule for the Analysis of Effluent
|
U.S. Environmental Protection Agency |
| Environmental Protection Agency |
86 FR 27226 |
40 CFR 136 |
USGS Method I– 2601–90 |
1990 |
Clean Water Act Methods Update Rule for the Analysis of Effluent
|
U.S. Environmental Protection Agency |
| Environmental Protection Agency |
86 FR 27226 |
40 CFR 136 |
USGS Method I– 2540–90 |
1990 |
Clean Water Act Methods Update Rule for the Analysis of Effluent
|
U.S. Environmental Protection Agency |
| Environmental Protection Agency |
86 FR 27226 |
40 CFR 136 |
USGS Method I– 2522–90 |
1990 |
Clean Water Act Methods Update Rule for the Analysis of Effluent
|
U.S. Environmental Protection Agency |
| Environmental Protection Agency |
86 FR 27226 |
40 CFR 136 |
USGS Method I– 2057–85 |
1985 |
Clean Water Act Methods Update Rule for the Analysis of Effluent
|
U.S. Environmental Protection Agency |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (62) |
USGS I-4724-89 |
1989 |
Silver, atomic absorption spectrophotometry, graphite furnace
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (60) |
USGS I-4668-98 |
1998 |
Determination of Arsenic and Selenium in Water and Sediment by Graphite Furnace-Atomic Absorption Spectrometry
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (50) |
USGS I-4610-91 |
1991 |
Phosphorus, Total
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (44) |
USGS I-4601-85 |
1985 |
Phosphorus, orthophosphate, total, colorimetric, phosphomolybdate, automated-segmented flow
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (50) |
USGS I-4600-85 |
1985 |
Phosphorus, total, colorimetric, phosphomolybdate, automated-segmented flow
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (40) |
USGS I-4545-85 |
1985 |
Nitrogen, nitrite plus nitrate, total, colorimetric, cadmium reduction-diazotization, automated-segmented flow
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (40) |
USGS I-4540-85 |
1985 |
Nitrogen, nitrite, total, colorimetric, diazotization, automated-segmented flow
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (62) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (70) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (63) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (34) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (20) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (61) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (8) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (10) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (33) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (7) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (75) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (19) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (13) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (12) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (74) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IA (5) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (37) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (36) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (32) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (22) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (30) |
USGS I-4471-97 |
1997 |
Metals by Inductively Coupled Plasma
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (35) |
USGS I-4464-01 |
2001 |
Non Potable Water Mercury, Low Level
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (25) |
USGS I-4327-85 |
1989 |
Fluoride, electrometric, ion-selective electrode, automated segmented flow
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (22) |
USGS I-4020-05 |
2005 |
Determination of Elements in Natural-water, Biota, Sediment, and Soil Samples using Collision/Reaction Cell Inductively-Coupled Plasma-Mass Spectrometry
|
U.S. Geological Survey |