| 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 (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 (37) |
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 |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (39) |
USGS I-2545-90 |
1990 |
Nitrogen, nitrite plus nitrate, dissolved, colorimetric, ASF. Official Name: Nitrogen, nitrite plus nitrate, colorimetry, 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 (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 (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 (46) |
USGS I-1575-78 |
1978 |
Oxygen, dissolved, Winkler titration procedure
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB Footnote 8 |
USGS Publication |
1979 |
Methods for Determination of Inorganic Substances in Water and Fluvial Sediments, Techniques of Water-Resources Investigations of the U.S. Geological Survey, Book 5, Chapter A1
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (46) |
USGS I-1576-78 |
1978 |
Oxygen, dissolved, electrometric, polarographic probe
|
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 Footnote 2 |
USGS Publication |
1989 |
Methods for Analysis of Inorganic Substances in Water and Fluvial Sediments, Techniques of Water-Resource Investigations of the U.S. Geological Survey, Book 5, Chapter A1., unless otherwise stated
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (50) |
USGS Open File Report (OFR) 98-165 |
1988 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory—Determination of Elements in Whole-water Digests Using Inductively Coupled Plasma-Optical Emission Spectrometry and Inductively Coupled Plasma-Mass Spectrometry
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB Footnote 50 |
USGS Open File Report (OFR) 98-165 |
1988 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory—Determination of Elements in Whole-water Digests Using Inductively Coupled Plasma-Optical Emission Spectrometry and Inductively Coupled Plasma-Mass 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 Footnote 48 |
USGS Open File Report (OFR) 92-146 |
1992 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory—Determination of Total Phosphorus by Kjeldahl Digestion Method and an Automated Colorimetric Finish That Includes Dialysis
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (52) |
USGS I-3630-85 |
1989 |
Potassium, Atomic Absorption Spectrometric, Direct
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (53) |
USGS I-3750-85 |
1985 |
Solids, residue on evaporation at 105 degrees C, total, gravimetric
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (54) |
USGS I-1750-85 |
1989 |
Solids, residue on evaporation at 180 degrees C, dissolved, gravimetric
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (55) |
USGS I-3765-85 |
1985 |
Solids, residue suspended evaporation 105 degrees C
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (57) |
USGS I-3753-85 |
1985 |
Solids, volatile-on-ignition, total, gravimetric
|
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 Footnote 70 |
USGS Publication |
2006 |
Techniques and Methods Book 5-B1, Determination of Elements in Natural-Water, Biota, Sediment and Soil Samples Using Collision/Reaction Cell Inductively Coupled Plasma-Mass Spectrometry, Methods of the National Water Quality Laboratory
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (60) |
USGS I-3667-85 |
1985 |
Selenium, total, atomic absorption spectrometric, hydride
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (61) |
USGS I-1700-85 |
1985 |
Silica, dissolved, colorimetric, molybdate blue
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (61) |
USGS I-2700-85 |
1989 |
Silica, colorimetric, molybdate blue, automated-segmented flow
|
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 (62) |
USGS I-3270-85 |
1985 |
Copper by Flame Atomic Absorption
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB Footnote 51 |
USGS Open File Report (OFR) 93-125 |
1993 |
Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory—Determination of Inorganic and Organic Constituents in Water and Fluvial Sediments
|
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 (63) |
USGS I-3735-85 |
1985 |
Sodium, atomic absorption spectrometric, direct
|
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 (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 (64) |
USGS I-2781-85 |
1989 |
Specific Conductance, Electrometric, Wheatstone Bridge
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (65) |
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 |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (66) |
USGS I-3840-85 |
1985 |
Sulfide, titrimetric, iodometric
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB Footnote 32 |
USGS Publication |
1975 |
Water Temperature-Influential Factors, Field Measurement and Data Presentation, Techniques of Water-Resources Investigations of the U.S. Geological Survey, Book 1, Chapter D1
|
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 (71) |
USGS I-3850-78 |
1979 |
Tin, AA direct aspiration
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (73) |
USGS I-3860-85 |
1985 |
Turbidity, nephelometric
|
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 IB (74) |
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 |
| Environmental Protection Agency |
|
40 CFR 136.3(a) Table IB (75) |
USGS I-3900-85 |
1985 |
Zinc by Flame Atomic Absorption
|
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 IC Footnote 9 |
USGS O-3116-87 |
1987 |
Base/neutral and acid extractable compounds, whole water recoverable, GC/MS
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 444.12(b)(1) Table (2) |
USGS I-3135-85 |
1989 |
Cadmium, by Flame Atomic Absorption
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 444.12(b)(1) Table (2) |
USGS I-3136-85 |
1989 |
Cadmium, by Flame Atomic Absorption
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 444.12(b) Appendix (5) |
USGS Book 5 Chapter A1 |
1989 |
Methods for Determination of Inorganic Substances in Water and Fluvial Sediments
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 141.25(a) Table Note 7 |
USGS Publication |
1977 |
Methods for Determination of Radioactive Substances in Water and Fluvial Sediments, Chapter A5 in Book 5 of Techniques of Water-Resources Investigations of the United States Geological Survey
|
U.S. Geological Survey |
| Environmental Protection Agency |
|
40 CFR 141.25(a) Table |
USGS R-1180-76 |
1977 |
Uranium, dissolved. Fluorometric method-direct
|
U.S. Geological Survey |