Search Results for the EPA National Library Catalog

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Showing: Items 501 - 550
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Pentachlorophenol : chemistry, pharmacology, and environmental toxicology / 1978
Persistence of chlorinated hydrocarbon contamination in a California marine ecosystem / 1989
Pesticide and xenobiotic metabolism in aquatic organisms : based on a symposium sponsored by the Division of Pesticide Chemistry at the 176th meeting of the American Chemical Society, Miami Beach, Florida, September 11-17, 1978 / 1979
Pesticide fact sheet number 230 : clethodim / 1992
Pesticides in the aquatic environment / 1972
Phenolics in aquatic ecosystems : a selected review of recent literature / 1979
Phosphorus Inactivation by Zirconium in a Eutrophic Pond. 1982
Phthalate esters in the aquatic environment 1980
Physicochemical Factors Affecting Toxicity in Freshwater: Hardness, pH, and Temperature (Chapter 1). 1994
Physiological effects of 2, 4-D and 2, 4, 5T on selected aquatic organisms. 1979
Physiological effects of drilling muds on reef corals / 1983
Physiological responses of marine biota to pollutants / 1977
Physiology and growth of the quahog clam, Mercenaria mercenaria, exposed to low levels of no. 2 fuel oil / 1980
Pilot study of the marine mammals, birds, and turtles in OCS areas of the Gulf of Mexico / 1981
Plan for a National Environmental Specimen Bank / 1978
Pollutant effects on marine organisms 1977
Pollutant Sorption: Relationship to Bioavailability. 1985
Pollution and the Life in Water. 1964
Pollution ecology of estuarine invertebrates 1979
Polychlorinated Dibenzofuran and Related Compounds in an Estuarine Ecosystem. 1981
Pre-Impoundment Biological Survey of Stockton Reservoir-Sac River, Missouri, August, 1968. 1969
Predicting 2,4-Dichlorophenoxyacetic Acid Ester Transformation Rates in Periphyton-Dominated Ecosystems. 1983
Predicting future introductions of nonindigenous species to the Great Lakes / 2008
Predicting future introductions of nonindigenous species to the Great Lakes / 2008
Predicting Modes of Toxic Action from Chemical Structure: An Overview. 1994
Predicting the Toxicity of Bulk Sediments to Aquatic Organisms with Aqueous Test Fractions: Pore Water versus Elutriate. 1991
Prediction of ecological effects of toxic chemicals : overall strategy and theoretical basis for the ecosystem model / 1983
Preliminary Ecological Study of Areas to be Impounded in the Salt River of Kentucky. 1971
Pressurized Proportional Diluter for Aquatic Toxicological Studies. 1980
Principles and methods for determining ecological criteria on hydrobiocenoses proceedings of the European Scientific Colloquium / 1976
Problems of aquatic toxicology, biotesting, and water quality management : proceedings of USA-USSR symposium, Borok, Jaroslavl Oblast, July 30-August 1, 1984 / 1986
Problems of aquatic toxicology, biotesting, and water quality management : proceedings of USA-USSR symposium, Borok, Jaroslavl Oblast, July 30-August 1, 1984 / 1986
Procedures for the quarantine of live aquatic animals : a manual / 2008
Proceedings : Delmarva Coastal Bays Conference III : tri-state approaches to preserving aquatic resources, November 12-13, 1999, Ocean City, Maryland / 2000
Proceedings of a Workshop for the Development of a Scientific Protocol for Ocean Dump Site Designation, Held at Rhode Island University on February 14-17, 1983, Kingston. 1983
Proceedings of the Kepone Seminar II / 1977
Proceedings of the National Response Team Oil Spill Scientific Response Workshop, New England. {microform}. 1978
Proceedings of the Symposium on the Development, Use and Value of Water Quality Criteria and Standards at Washington, DC, on June 23-25, 1980. 1980
Proceedings of the Workshop on Aquatic Weeds : Control and Its Environmental Consequences : Environmental Protection Agency, Environmental Research Laboratory, Gulf Breeze, Florida, February 25-26, 1980 / 1981
Proceedings Report: A Symposium on Cooling Water Intake Technologies to Protect Aquatic Organisms. 2005
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
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 project plan for evaluating and refining the estuarine habitat assessment protocol on Puget Sound and Pacific Northwest reference sites 1993
Rationale and Basic Design for Experimental Acidification of a Lake Ecosystem in Northern Wisconsin. 1984
Reactivation and Aging of Phosphorylated Brain Acetylcholinesterase from Fish and Rodents. 1988
Recent advances in fish toxicology : a symposium / 1977
Recovery of Strait of Juan de Fuca Intertidal Habitat following experimental contamination with oil : second annual report, fall 1979-winter 1980 / 1980
References for the identification of freshwater macroinvertebrates / 1972
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