U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Standards.gov

Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory--Determination of Total Phosphorus by Kjeldahl Digestion Method and an Automated Colorimetric Finish That Includes Dialysis

Incorporation
Federal Agency
Environmental Protection Agency
CFR Citation
40 CFR 136.3(b)(33)(iii)
CFR Link
http://www.gpo.gov/fdsys/pkg/CFR-2014-title40-vol23/xml/CFR-2014-title40-vol23-…
Document Number
USGS Open File Report (OFR) 92-146
Document Edition
1992
SDO
U.S. Geological Survey
Standard Number Link
http://www.usgs.gov/pubprod/
Record Source
legacy system
SIBR Legacy Id
30337