Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Nitrogen - Ammonia/Nitrate/Nitrite. Water Quality Standards Criteria Summaries. A Compilation of State/Federal Criteria. 1990
Nitrogen-ammonia/nitrate/nitrite : water quality standards criteria summaries a compilation of state/federal criteria / 1988
Nitrophenols : ambient water quality criteria. 1978
Notice of intent to re-evaluate the aquatic life ambient water quality criteria for Ammonia / 2004
Noyo River Total Maximum Daily Load for Sediment. 1999
NPDES Permit Application Workshop for Storm Water Discharges Associated with Industrial Activity. Held in Washington, DC. on July 28, 1992. 1992
Nutrient TMDLs for Six Arkansas Lakes. 2007
Office of Wastewater Management catalog of publications. 1998
Office of Wastewater Management catalog of publications. 1997
Office of Water Operating Guidance and Accountability System, Fiscal Year 1984. 1983
Office of Water Operating Guidance and Accountability System, Fiscal Year 1984. Appendix A and B (Final). 1983
Office of Water Operating Guidance and Accountability System, Fiscal Year 1984. Appendix A and B. 1983
Office of Water operating guidance and accountability system. 0
Oklahoma's water quality standards, 1982. 1982
Oklahoma's water quality standards. 1979
Olean Creek Drainage Basin : recommended classifications and assignment of standards of quality and purity for designated waters of New York State / 1951
Onondaga Lake drainage basin : recommended classifications and assignments of standards of quality and purity for designated waters of New York State / 1951
Onsite control of sedimentation utilizing the modified block-cut method of surface mining / 1977
Oregon water quality standards. 2003
Organic chemicals and drinking water 1980
Organic chemicals and drinking water 1981
Organics : water quality standards criteria summaries : a compilation of state/federal criteria / 1988
Oswego River and lower Seneca River drainage basin : recommended classifications and assignments of standards of quality and purity for designated waters of New York State / 1955
Other elements : water quality standards criteria summaries : a compilation of state/federal criteria / 1988
Our water, our future : saving our tribal life force together / 2003
Oversight of North Carolina's Renewals of Thermal Variances. Evaluation Report. 2011
Overview of the water quality standards program / 2006
Part 125-Criteria and Standards for the National Pollutant Discharge Elimination System. 1993
Pathogen criteria white paper 2005
PCB TMDL Handbook. 2011
PCB TMDL Model for the Potomac River Estuary Final Report on Hydrodynamic/Salinity and PCB Transport and Fate Models. 2007
Peconic River-Flanders Bay drainage basin, including a portion of the north shore of Long Island draining to Long Island Sound : recommended classifications and assignment of standards of quality and purity for designated waters of New York State / 1951
Pend Oreille Lake Tributaries Temperature Total Maximum Daily Loads: Addendum to the Pend Oreille Lake Subbasin Assessment and TMDL. 2007
Pend Oreille River Total Dissolved Gas Total Maximum Daily Load. Water Quality Improvement Report. 2007
Permit writer's guide to water quality-based permitting for toxic pollutants. 1987
Pesticides : water quality standards criteria summaries : a compilation of state/federal criteria / 1988
Phased TMDL (Total Maximum Daily Load) for thr Salmon Falls River Watershed Use Attainability Analysis for the Lower Salmon Falls River, May 1999. 1999
Phenol : ambient water quality criteria. 1978
Phillippi Creek Water Quality Report. 1995
Phosphorus : water quality standards criteria summaries : a compilation of state/federal criteria / 1988
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Annabessacook Lake, Kennebec and Androscoggin Counties, Maine. Annabessacook Lake PCAP-TMDL Report, Maine DEPLW 2003-0627. 2004
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Arnold Brook Lake-Presque Isle, Aroostook County, Maine. Arnold Brook Lake PCAP-TMDL Report, Maine DEPLW 0813. 2007
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Cross Lake, Cross Lake and Square Lake Twp., Aroostook County, Maine. Cross Lake PCAP-TMDL Report, Maine DEPLW 0790. 2006
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Daigle Pond-New Canada, Aroostook County, Maine. Daigle Pond PCAP-TMDL Report, Maine DEPLW 0789. 2006
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Duckpuddle Pond, Lincoln County, Maine. Duckpuddle Pond PCAP-TMDL Report, Maine DEPLW 2005-0706. 2005
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Echo Lake-Presque Isle, Aroostook County, Maine. Echo Lake PCAP-TMDL Report, Maine DEPLW 0812. 2007
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Highland Lake, Cumberland and Oxford Counties, Maine. Highland Lake PCAP-TMDL Report, Maine DEPLW 2004-0658. 2004
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Highland Lake, Cumberland County, Maine. Highland Lake PCAP-TMDL Report, Maine DEPLW 2002-0536. 2003
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Lilly Pond, Rockport and Camden, Knox County, Maine. Lilly Pond PCAP-TMDL Report, Maine DEPLW 0734 (Revised). 2008
Phosphorus Control Action Plan and Total Maximum Daily (Annual Phosphorus) Load Report: Little Cobbossee Lake, Kennebec County, Maine. Little Cobbossee Lake PCAP-TMDL Report, Maine DEPLW 2005-0692. 2005
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