Search Results for the EPA National Library Catalog

Items Found: 253

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Federal Register: July 7, 1998, Part 2 40 CFR Part 131 Water Quality Standards Regulation; Proposed Rule 1998
Federal Register: November 8, 1983, Part 2. Water Quality Standards Regulation 1983
Fight over the arsenic standard : a special report / 2002
Framework for developing suspended and bedded-sediments (SABS) water quality criteria {electronic resource}. 2006
Ground-water data-collection protocols and procedures for the National Water-Quality Assessment Program : collection and documentation of water-quality samples and related data / 1995
Guidance for implementing the January 2001 methylmercury water quality criterion. 2010
Guidance for state implementation of water quality standards for CWA section 303(C)(2)(B). 1988
Guidance for state implementation of water quality standards for CWA section 303(C)(2)(B). 1988
Guidance on implementing the water quality based provisions in the CSO control policy: draft 2000
Guidance to states, tribes, and regions on priorities for the water quality standards program for FY 2000-2002. 1999
Guide to water quality standards of the United States 1980
Guidelines for deriving numerical aquatic site-specific water quality criteria by modifying national criteria / 1984
Guidelines for developing or revising water quality standards under the Federal Water Pollution Control Act amendments of 1972. 1973
Guidelines for developing or revising water quality standards under the federal water pollution control act amendments of 1972. 1973
Haloethers : ambient water quality criteria. 1978
Handbook for analytical quality control in water and wastewater laboratories. 1972
Hexachlorocyclohexane : ambient water quality criteria. 1979
Implementation of the Water Quality-Based Provisions in the CSO Control Policy: Outline of Draft EPA Guidance 1999
Information collection request for water quality standards. 2002
Interim economic guidance for water quality standards : fact sheet. 1997
Interim economic guidance for water quality standards : workbook / 1995
Introduction to water quality standards. 1999
Introduction to water quality standards. 1994
Isophorone : ambient water quality criteria. 1978
Many water quality standard violations may not be significant enough to justify costly preventive actions : report to the Congress / 1980
Mercury : ambient water quality criteria. 1979
Mercury : water quality standards criteria summaries a compilation of state/federal criteria / 1988
Method 1669 : Sampling ambient water for trace metals at EPA water quality criteria levels. [Microfiche]. 1995
Monitoring trace metals at ambient water quality criteria levels : briefing book. 1995
Naphthalene : ambient water quality criteria / 1978
National pollutant discharge elimination system permit application requirements for publicly owned treatment works and other treatment works treating domestic sewage : proposed rule / 1995
National recommended water quality criteria. 2004
National summary of state water quality standards : antidegradation / 1980
National summary of state water quality standards : definitions / 1980
National summary of state water quality standards : intermittent streams, provisions/policies / 1980
National summary of state water quality standards : nitrates/nitrites/ammonia / 1980
National summary of state water quality standards : other elements / 1980
National summary of state water quality standards. Turbidity / 1980
Newsletter, water quality criteria and standards. 0
Nitrobenzene : ambient water quality criteria. 1978
Nitrophenols : ambient water quality criteria. 1978
Notice of intent to re-evaluate the aquatic life ambient water quality criteria for Ammonia / 2004
Our water, our future : saving our tribal life force together / 2003
Overview of the water quality standards program / 2006
Pathogen criteria white paper 2005
Phenol : ambient water quality criteria. 1978
Phthalate esters : ambient water quality criteria. 1978
Polychlorinated biphenyls : ambient water quality criteria.. 1978
Polynuclear aromatic hydrocarbons : ambient water quality criteria. 1979
Proposed criteria for water quality. 1973
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