Search Results for the EPA National Library Catalog

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Processing, Chemical Composition and Nutritive Value of Aquatic Weeds. 1973
Produced Water Radionuclide Hazard/Risk Assessment-Phase I (Draft) with Cover Letter dated 01/18/91. 1990
Production and release of plant material in brackish and freshwater wetlands / 1981
Production cycles in aquatic microcosms / 1977
Production in coastal salt marshes of southern California / 1981
Production of arthropod pests and vectors in coal strip mine ponds / 1981
Production of Extracellular Nucleic Acids by Genetically Altered Bacteria in Aquatic-Environment Microcosms. 1989
Program Activities. 1972
Progress and Possibilities in Sewage Treatment Research. 1938
Progress in the National Estuary Program : report to Congress. 1990
Progress Report of the Baywide Nutrient Reduction Reevaluation: Chesapeake Bay Program. 1992
Progress Report under the 1987 Chesapeake Bay Agreement (2nd). 1989
Project HYPO. An Intensive Study of the Lake Erie Central Basin Hypolimnion and Related Surface Water Phenomena. 1972
Propachlor : health advisory. 1987
Propachlor health and safety guide. 1992
Propachlor. 1993
Propagation of chemical effects across levels of biological organisation and habitat patches of small streams / 2023
Propeller Scar Monitoring Program for the Tampa Bay Estuary Program. 1996
Propham : health advisory. 1988
Proposed Expansion of Existing Wastewater Treatment Facilities at Scottsbluff, Gering and Terrytown, Scotts Bluff County, Nebraska. 1978
Proposed Expansion of Existing Wastewater Treatment Facilities, Scottsbluff, Gering, and Terrytown, Nebraska. 1979
Proposed Goal of Applied Aquatic Toxicology. 1985
Proposed Land and Resource Management Plan for the Dixie National Forest 1985
Proposed Methods and Approaches for Numeric Nutrient Criteria for Florida's Inland Waters. 2009
Proposed technical basis for establishing sediment quality criteria for nonionic organic chemicals using equilibrium partitioning / 1991
Proposed Wastewater Treatment Facilities, South Shore Lake Tahoe Basin. Draft Environmental Impact Statement. 1979
Proposed Wastewater Treatment Facilities, South Shore Lake Tahoe Basin. Technical Appendices. Draft Environmental Impact Statement. 1979
Proposed Water Quality Guidance for the Great Lakes System. 1993
Protecting aquatic ecosystems : a guide for Puget Sound planners to understand watershed processes / 2005
Protecting our drinking water from microbes / 1989
Protecting our natural heritage : what will be our legacy? : proceedings of the 20th International Conference held at the Carrigaline Court Hotel, Carrigaline, Co. Cork, on 22nd & 23rd April 2004 / 2004
Protecting the Gulf's Marine Ecosystems from Pollution [electronic resource] / 2008
Protection and Restoration of Marine Life in the Inland Waters of Washington State. 1997
Protection of River Basins, Lakes and Estuaries: Fifteen Years of Cooperation toward Solving Environmental Problems in the USSR and USA. 1988
Protection of water resources and aquatic ecosystems 1993
Protocol for the derivation of Canadian sediment quality guidelines for the protection of aquatic life. 1995
Prototype designs for surveys and measurement in an aquatic environment, 1982 1984
Prototype designs for surveys and measurement in an aquatic environment, 1984 = Prototypes d'appareils pour les etudes et mesures en milieu aquatique, 1984 1986
Proximity of Pennsylvania sanitary landfills to wetlands and deepwater habitats : data on individual landfills / 1989
Proximity of Pennsylvania sanitary landfills to wetlands and deepwater habitats : statewide results / 1989
Publications and reports : Environmental Monitoring and Support Laboratory 1955-1969. 1976
Publications and reports : Environmental Monitoring and Support Laboratory 1970-1976. 1976
Puget Sound environmental atlas 1987
Puget Sound environmental atlas update / 1992
Puget Sound Research '95 Proceedings. Held Meydenbauer Center, Bellevue, Washington, January 12-14, 1995. 1995
Puget Sound Update 2007: Ninth Report of the Puget Sound Assessment and Monitoring Program. 2007
QSARs for Photoinduced Toxicity: 1. Acute Lethality of Polycyclic Aromatic Hydrocarbons to 'Daphnia magna'. 1994
Quality Assurance Field Operations Report for the Pilot Study Evaluating the Habitat Value of Wetland Treatment Systems. 1992
Quality assurance guidelines for biological testing / 1978
Quality assurance guidelines for biology in aquatic environment protection 1991
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