Analytical Methods Approved for Drinking Water 

Monitoring of Inorganic Contaminants and Other ConstituentsAnalysis for the following contaminants and other constituents shall be conducted in accordance with the methods in thas determined by EPA. The methods are specified in 40 CFR 141.23 and Appendix A to Subpart C of Part 141. The m

in 40 CFR 141.23, 141.41, 141.86 - 141.88, and 141.135.

The CFR is the legal reference for approved methods and takes precedent over this table. The table should accurately r

information published in 40 CFR 141. If you find discrepancies, please notify The Safe Drinking Water Hotline (800-42table.

Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Alkalinity

ASTM International

D1067-02 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D1067-06 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D1067-92 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

Standard Methods

2320 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

2320 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

2320 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

2320 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Alkalinity

Standard Methods Online

2320 B-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

U.S. Geological Survey

I-1030-85 In Methods for Determination 

of Inorganic Substances in Water and Fluvial Sediments, USGS Series: Techniques of Water-Resource Investigation Report; edited by Fishman, M.J. & Friedman, L.C.

1989 05-A1 http://infotrek.er.usgs.g

Antimony

ASTM International

D 3697-07 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3697-02 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3697-92 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Antimony

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.Preconcentration may be required for direct analysis of antimony, lead, and thallium by Method 200.9

http://www.nemi.gov

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

Standard Methods

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Antimony

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

http://www.standardme

Arsenic

ASTM International

D2972 08 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D2972-03 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D2972-03 C Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D2972-08 C Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D2972-97 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D2972-97 C Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Arsenic

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

If ultrasonic nebulization is used in the determination of arsenic by Method 200.8, the arsenic must be in the pent

uniform signal response. For direct analysis of arsenic with Method 200.8 using ultrasonic nebulization, samples 

one mg/L of sodium hypochlorite.

http://www.nemi.gov

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3114 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3114 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3114 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Arsenic

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3114 B-09 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3114 B-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Asbestos Guidance on conducting asbestos analysis is described in Section V of Technical Notes on Drinking Water Methods (EPA/600/R-

digital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 100.1 Analytical Method for the 

Determination of Asbestos Fibers in Water

September 1983

EPA/600/4-83-043 PB 83-260471 http://www.nemi.gov

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Asbestos Guidance on conducting asbestos analysis is described in Section V of Technical Notes on Drinking Water Methods (EPA/600/R-

digital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 100.2 Determination of Asbestos 

Structures Over 10 μm in Length in Drinking Water

June 1994 EPA/600R-94/134 PB 94-201902 http://www.nemi.gov

Barium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

Standard Methods

3111 D Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3111 D Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3111 D Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Barium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3111 D-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Barium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3120 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Beryllium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

ASTM International

D3645-03 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3645-08 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3645-97 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Beryllium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Beryllium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Beryllium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods Online

3120 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Cadmium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.For direct analysis of cadmium by Method 200.7, sample preconcentration using pneumatic nebulization may be detection limits.

http://www.nemi.gov

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Cadmium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Calcium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

ASTM International

D511-03 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D511-03 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Calcium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

ASTM International

D511-09 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D511-09 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D511-93 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D511-93 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D6919-03 Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

ASTM International

D6919-09 Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Calcium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3500-Ca B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3500-Ca B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3500-Ca D Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3500-Ca D Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Calcium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods Online

3111 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3120 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3500-Ca B-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Chromium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Chromium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step dur

determined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Chromium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3120 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Conductivity

ASTM International

D1125-91 A Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Conductivity

ASTM International

D1125-95 A (Reapproved 1999)

Annual Book of ASTM Standards, Vol. 11.01

http://www.astm.org

Standard Methods

2510 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

2510 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

2510 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

2510 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

2510 B-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Copper Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

ASTM International

D1688-02 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D1688-02 C Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D1688-07 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Copper Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

ASTM International

D1688-07 C Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D1688-90 A Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D1688-90 C Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D1688-95 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D1688-95 C Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Copper Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step dur

determined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Copper Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3111 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Copper Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods Online

3120 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Cyanide

ALPKEM Method OIA1677, DW Available Cyanide by Flow Injection, Ligand Exchange, 

and Amperometry

January 2004 EPA-821-R-04-001

Sulfide levels below those detected using lead acetate paper may produce positive method interferences. Test sam

sulfide method to determine if a sulfide interference is present, and treat samples accordingly.

ALPKEM

ASTM International

D2036-06 A Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

ASTM International

D2036-06 B Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

ASTM International

D2036-98 A Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

ASTM International

D2036-98 B Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

ASTM International

D6888-04 Annual Book of ASTM 

Standards, Vol. 11.02

Sulfide levels below those detected using lead acetate paper may produce positive method interferences. Test sam

sulfide method to determine if a sulfide interference is present, and treat samples accordingly.

http://www.astm.org

EPA 335.4 Rev 1.0 In Methods for the 

Determination of Inorganic Substances in Environmental Samples

August 1993 EPA/600/R-93/100 PB94-120821 http://www.nemi.gov

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Cyanide

H & E Testing Laboratory

ME355.01 Determination of Cyanide in 

Drinking Water by GC/MS Headspace

May 26, 2009 http://www.nemi.gov

Kelada Kelada 01, 

Revision 1.2

Kelada Automated Test Methods for Total Cyanide, Acid Dissociable Cyanide, and Thiocyante

August 2001 EPA 821-B-01-009 PB 2001-108275

A 450-W UV lamp may be used in this method instead of the 550-W lamp specified if it provides performance w

acceptance criteria of the method in a given instrument. Similarly, modified flow cell configurations and flow co

method, provided that the QC acceptance criteria are met.

National Technica

Lachat Instruments

QuikChem 10-204-00-1-X, Revision 2.1

Digestion and distillation of total cyanide in drinking and wastewaters using MICRO DIST and determination of cyanide by flow injection analysis

November 30, 2000

Lachat Instrument

Standard Methods

4500-CN- C Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-CN- C Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-CN- C Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-CN- E Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-CN- E Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Cyanide

Standard Methods

4500-CN- E Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-CN- E Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-CN- F Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-CN- F Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-CN- F Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-CN- F Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-CN- G Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-CN- G Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-CN- G Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-CN- G Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Cyanide

Standard Methods Online

4500-CN- E-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-CN- F-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-CN- G-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

U.S. Geological Survey

I-3300-85 In Methods for Determination 

of Inorganic Substances in Water and Fluvial Sediments, USGS Series: Techniques of Water-Resource Investigation Report; edited by Fishman, M.J. & Friedman, L.C.

1989 05-A1 http://infotrek.er.usgs.g

Fluoride

ASTM International

D1179-04 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D1179-93 B Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Fluoride

ASTM International

D1179-99 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D4327-03 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D4327-97 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

Bran + Luebbe 129-71W Fluoride in Water and 

Wastewater

December 1972

Bran+Luebbe

Bran + Luebbe 380-75WE Fluoride in Water and 

Wastewater

February 1976

Bran+Luebbe

EPA 300.0 Rev 2.1 In Methods for the 

Determination of Inorganic Substances in Environmental Samples

August 1993 EPA/600/R-93/100 PB94-120821 http://www.nemi.gov

EPA 300.1 Rev 1.0 In Methods for the 

Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1

August 2000 EPA 815-R-00-014 PB2000-106981 http://www.epa.gov/saf

Hach Co. 10225 Hach Company SPADNS 2 

(Arsenite-Free) Fluoride Method 10225—Spectrophotometric Measurement of Fluoride in Water and Wastewater

January 2011 http://www.hach.com

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Fluoride

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-F- B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-F- B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-F- B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-F- B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-F- C Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-F- C Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-F- C Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-F- C Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Fluoride

Standard Methods

4500-F- D Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-F- D Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-F- D Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-F- D Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-F- E Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-F- E Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-F- E Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-F- E Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

4110 B-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Fluoride

Standard Methods Online

4500-F- B-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-F- C-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-F- D-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-F- E-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Waters Corporation

Method D6508, Revision 2

Test Method for Determination of Dissolved Inorganic Anions in Aqueous Matrices Using Capillary Ion Electrophoresis and Chromate Electrolyte

Waters Corporatio

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Lead

ASTM Internationa

D3559-08 D Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3559-03 D Annual Book of ASTM 

Standards, Vol. 11.01

Preconcentration may be required for direct analysis of lead by Method D3559-90 D

http://www.astm.org

ASTM International

D3559-90 D Annual Book of ASTM 

Standards, Vol. 11.01

Preconcentration may be required for direct analysis of lead by Method D3559-90 D

ASTM Internation

ASTM International

D3559-96 D Annual Book of ASTM 

Standards, Vol. 11.01

Preconcentration may be required for direct analysis of lead by Method D3559-90 D

http://www.astm.org

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.Preconcentration may be required for direct analysis of antimony, lead, and thallium by Method 200.9

http://www.nemi.gov

Palintest Ltd. or Hach Co.

Method 1001 Lead by Differential Pulse 

Anodic Stripping Voltammetry

Palintest Ltd.

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Lead

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

Standard Methods

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

Preconcentration may be required for direct analysis of antimony and lead by Method 3113 B unless multiple in-f

http://www.standardme

Magnesium

ASTM International

D511-03 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D511-03 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Magnesium

ASTM International

D511-09 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D511-09 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D511-93 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D511-93 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D6919-03 Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

ASTM International

D6919-09 Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Magnesium

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3500-Mg B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3500-Mg B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3500-Mg E Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3500-Mg E Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods Online

3111 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Magnesium

Standard Methods Online

3120 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3500-Mg B-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Mercury

ASTM International

D3223-02 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3223-97 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

EPA 245.1 Rev 3.0 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

EPA 245.2 In Methods for Chemical 

Analysis of Water and Wastes

March 1983 EPA/600/4-79/020 PB84-128677 National Technica

Standard Methods

3112 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Mercury

Standard Methods

3112 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3112 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3112 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Nickel Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nickel Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step dur

determined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nickel Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3111 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nickel Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods Online

3120 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Nitrate

ASTM International

D3867-90 A Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D3867-90 B Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D4327-03 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D4327-97 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ATI Orion 601 Standard Method of Test for 

Nitrate in Drinking Water

July 1994 PN 221890-001 Thermo Orion

EPA 300.0 Rev 2.1 In Methods for the 

Determination of Inorganic Substances in Environmental Samples

August 1993 EPA/600/R-93/100 PB94-120821 http://www.nemi.gov

EPA 300.1 Rev 1.0 In Methods for the 

Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1

August 2000 EPA 815-R-00-014 PB2000-106981 http://www.epa.gov/saf

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nitrate

EPA 353.2 Rev 2.0 In Methods for the 

Determination of Inorganic Substances in Environmental Samples

August 1993 EPA/600/R-93/100 PB94-120821 http://www.nemi.gov

Hach Co. 10206 Hach Company TNTplusTM 

835/836 Nitrate Method 10206—Spectrophotometric Measurement of Nitrate in Water and Wastewater

January 2011 http://www.hach.com

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-NO3- D Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-NO3- D Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-NO3- D Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nitrate

Standard Methods

4500-NO3- D Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-NO3- E Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-NO3- E Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-NO3- E Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-NO3- E Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-NO3- F Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-NO3- F Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-NO3- F Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-NO3- F Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nitrate

Standard Methods Online

4110 B-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-NO3- D-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-NO3- E-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-NO3- F-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Systea Scientific, LLC

Systea Easy (1-Reagent)

Systea Easy (1-Reagent) Nitrate Method

February 4, 2009

http://www.nemi.gov

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nitrate

Waters Corporation

B-1011 Waters Test Method for 

Determination of Nitrite/Nitrate in Water Using Single Column Ion Chromatography

August 1987 Waters Corporatio

Waters Corporation

Method D6508, Revision 2

Test Method for Determination of Dissolved Inorganic Anions in Aqueous Matrices Using Capillary Ion Electrophoresis and Chromate Electrolyte

Waters Corporatio

Nitrite

ASTM International

D3867-90 A Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D3867-90 B Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D4327-03 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D4327-97 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

EPA 300.0 Rev 2.1 In Methods for the 

Determination of Inorganic Substances in Environmental Samples

August 1993 EPA/600/R-93/100 PB94-120821 http://www.nemi.gov

EPA 300.1 Rev 1.0 In Methods for the 

Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1

August 2000 EPA 815-R-00-014 PB2000-106981 http://www.epa.gov/saf

EPA 353.2 Rev 2.0 In Methods for the 

Determination of Inorganic Substances in Environmental Samples

August 1993 EPA/600/R-93/100 PB94-120821 http://www.nemi.gov

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nitrite

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-NO2- B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-NO2- B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-NO2- B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-NO2- B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-NO3- E Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-NO3- E Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nitrite

Standard Methods

4500-NO3- E Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-NO3- E Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-NO3- F Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-NO3- F Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-NO3- F Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-NO3- F Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

4110 B-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-NO2- B-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Nitrite

Standard Methods Online

4500-NO3- E-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-NO3- F-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Systea Scientific, LLC

Systea Easy (1-Reagent)

Systea Easy (1-Reagent) Nitrate Method

February 4, 2009

http://www.nemi.gov

Waters Corporation

B-1011 Waters Test Method for 

Determination of Nitrite/Nitrate in Water Using Single Column Ion Chromatography

August 1987 Waters Corporatio

Waters Corporation

Method D6508, Revision 2

Test Method for Determination of Dissolved Inorganic Anions in Aqueous Matrices Using Capillary Ion Electrophoresis and Chromate Electrolyte

Waters Corporatio

Orthophosphate Unfiltered, no digestion or hydrolysis

ASTM International

D4327-03 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D4327-97 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Orthophosphate Unfiltered, no digestion or hydrolysis

ASTM International

D515-88 A Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

EPA 300.0 Rev 2.1 In Methods for the 

Determination of Inorganic Substances in Environmental Samples

August 1993 EPA/600/R-93/100 PB94-120821 http://www.nemi.gov

EPA 300.1 Rev 1.0 In Methods for the 

Determination of Organic and Inorganic Compounds in Drinking Water, Volume 1

August 2000 EPA 815-R-00-014 PB2000-106981 http://www.epa.gov/saf

EPA 365.1 Rev 2.0 In Methods for the 

Determination of Inorganic Substances in Environmental Samples

August 1993 EPA/600/R-93/100 PB94-120821 http://www.nemi.gov

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4110 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-P E Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Orthophosphate Unfiltered, no digestion or hydrolysis

Standard Methods

4500-P E Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-P E Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-P E Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-P F Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-P F Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-P F Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-P F Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

4110 B-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Orthophosphate Unfiltered, no digestion or hydrolysis

Standard Methods Online

4500-P E-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-P F-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

U.S. Geological Survey

I-1601-85 In Methods for Determination 

of Inorganic Substances in Water and Fluvial Sediments, USGS Series: Techniques of Water-Resource Investigation Report; edited by Fishman, M.J. & Friedman, L.C.

1989 05-A1 http://infotrek.er.usgs.g

U.S. Geological Survey

I-2598-85 In Methods for Determination 

of Inorganic Substances in Water and Fluvial Sediments, USGS Series: Techniques of Water-Resource Investigation Report; edited by Fishman, M.J. & Friedman, L.C.

1989 05-A1 http://infotrek.er.usgs.g

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Orthophosphate Unfiltered, no digestion or hydrolysis

U.S. Geological Survey

I-2601-90 In Methods of Analysis by the 

U.S. Geological Survey National Water Quality Laboratory; Determination of Inorganic and Organic Constituents in Water and Fluvial Sediments, USGS Series: Open-file Report; edited by M.J. Fishman Report

1993 93-125 http://infotrek.er.usgs.g

Waters Corporation

Method D6508, Revision 2

Test Method for Determination of Dissolved Inorganic Anions in Aqueous Matrices Using Capillary Ion Electrophoresis and Chromate Electrolyte

Waters Corporatio

pH

ASTM International

D1293-84 Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D1293-95 Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D1293-99 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

EPA 150.1 In Methods for Chemical 

Analysis of Water and Wastes

March 1983 EPA/600/4-79/020 PB84-128677 http://www.nemi.gov

EPA 150.2 In Methods for Chemical 

Analysis of Water and Wastes

March 1983 EPA/600/4-79/020 PB84-128677 http://www.nemi.gov

Standard Methods

4500-H+ B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-H+ B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

pH

Standard Methods

4500-H+ B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-H+ B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

4500-H+ B-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Selenium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

ASTM International

D3859-03 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3859-03 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3859-08 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3859-08 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3859-98 A Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D3859-98 B Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Selenium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3113 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

3114 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3114 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Selenium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

Standard Methods

3114 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3113 B-04 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3113 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3114 B-09 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

3114 B-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Silica

ASTM International

D859-00 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D859-05 Annual Book of ASTM 

Standards, Vol. 11.01

http://www.astm.org

ASTM International

D859-88 Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

ASTM International

D859-94 Annual Book of ASTM 

Standards, Vol. 11.01

ASTM Internation

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

3120 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Silica

Standard Methods

4500-Si D Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-Si D Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-Si E Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-Si E Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-Si F Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

4500-Si F Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

4500-SiO2 C Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-SiO2 C Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods

4500-SiO2 D Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-SiO2 D Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Silica

Standard Methods

4500-SiO2 E Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

4500-SiO2 E Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3120 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-SiO2 C-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Standard Methods Online

4500-SiO2 D-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Silica

Standard Methods Online

4500-SiO2 E-97 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

U.S. Geological Survey

I-1700-85 In Methods for Determination 

of Inorganic Substances in Water and Fluvial Sediments, USGS Series: Techniques of Water-Resource Investigation Report; edited by Fishman, M.J. & Friedman, L.C.

1989 05-A1 http://infotrek.er.usgs.g

U.S. Geological Survey

I-2700-85 In Methods for Determination 

of Inorganic Substances in Water and Fluvial Sediments, USGS Series: Techniques of Water-Resource Investigation Report; edited by Fishman, M.J. & Friedman, L.C.

1989 05-A1 http://infotrek.er.usgs.g

Sodium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

ASTM International

D6919-03 Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

ASTM International

D6919-09 Annual Book of ASTM 

Standards, Vol. 11.02

http://www.astm.org

EPA 200.5 Rev 4.2 Determination of Trace 

Elements in Drinking Water by Axially Viewed Inductively Coupled Plasma - Atomic Emission Spectrometery

October 2003 EPA/600/R-06/115 http://www.epa.gov/ner

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Sodium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.7 Rev 4.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step dur

determined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.

http://www.nemi.gov

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Standard Methods

3111 B Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

3111 B-99 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Temperature

Standard Methods

2550 Standard Methods for the 

Examination of Water and Wastewater, 18th Edition

1992 Standard Methods

Standard Methods

2550 Standard Methods for the 

Examination of Water and Wastewater, 19th Edition

1995 Standard Methods

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg
Contaminant

Organization

Method Number Reference Title Date Source of Met

EPA Publication Number

Publication Order Number

Temperature

Standard Methods

2550 Standard Methods for the 

Examination of Water and Wastewater, 20th Edition

1998 Standard Methods

Standard Methods

2550 Standard Methods for the 

Examination of Water and Wastewater, 21st Edition

2005 Standard Methods

Standard Methods Online

2550-00 Online version of Standard 

Methods for the Examination of Water and Wastewater. Approval year by Standard Methods Committee is designated by last 2 digits. This is the only online version that is approved.

http://www.standardme

Thallium Criteria for analyzing arsenic, barium, beryllium, cadmium, calcium, chromium, copper, lead, nickel, selenium, sodium and thalliu

without digestion, and other analytical test procedures are contained in Technical Notes on Drinking Water Methods (EPA/600/Rdigital publications National Environmental Publications Internet Site (NEPIS) database (http://www.epa.gov/nscep/).

EPA 200.8 Rev 5.4 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472 http://www.nemi.gov

EPA 200.9 Rev 2.2 In Methods for the 

Determination of Metals in Environmental Samples Supplement 1

May 1994 EPA/600/R-94/111 PB95-125472

Because MDLs reported in EPA Methods 200.7 and 200.9 were determined using a 2X preconcentration step durdetermined when samples are analyzed by direct analysis (i.e., no sample digestion) will be higher.Preconcentration may be required for direct analysis of antimony, lead, and thallium by Method 200.9

http://www.nemi.gov

Contact information for methods that are not available on the Internet are summarized in the re

of Approved Analytical Methods for National Drinking Water Regulations."

Revised June 2011 Approved Methods for Inorganic Contaminants & Other Inorganic Constituents - National Primary Drinking Water Reg