Search Results for the EPA National Library Catalog

Items Found: 581
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Hazard Evaluation Division standard evaluation procedure : non-target plants: target area testing / 1986
Hazard Evaluation Division standard evaluation procedure : non-target plants: terrestrial field testing : tier 3 / 1986
Hazard Evaluation Division standard evaluation procedure : non-target plants: vegetative vigor : tiers 1 and 2 / 1986
Herbicide report : chemistry and analysis, environmental effects, agricultural and other applied uses / 1974
Higher level consumer interactions : chapter 4 / 1981
Holston River Study. Appendix E. 1978
Hydrobotanical methods 1975
Hydrologic basis for suspended sediment criteria / 1985
Identification guide to submerged aquatic vegetation of Chesapeake Bay 0
Illustrations of Fresh Water Algae Toxic to Animals. 1952
Impact of aquatic plants and their management techniques on the aquatic resources of the United States : an overview / 0
Impact of aquatic plants and their management techniques on the aquatic resources of the United States an overview. {microfrom} 1982
Impacts of sediment and nutrients on biota in surface waters of the United States / 1979
Impacts on quality of inland wetlands of the United States : a survey of indicators, techniques, and applications of community-level biomonitoring data / 1990
Impacts on quality of inland wetlands of the United States a survey of indicators, techniques, and applications of community-level biomonitoring data / 1990
Improving Water Quality by Removal of Pesticide Pollutants with Aquatic Plants. 1972
Improving Water Quality by Removal of Pesticide Pollutants with Aquatic Plants. 1973
Index to Evaluate Lake Restoration. 1980
Indicator development : seagrass monitoring and research in the Gulf of Mexico : report of a workshop held at Mote Marine Laboratory in Sarasota, FL, January 28-29, 1992 / 1994
Industrial waste guide on thermal pollution. 1968
Influence of disposal environment on availability and plant uptake of heavy metals in dredged material : final report / 1981
Inorganic carbon uptake by aquatic photosynthetic organisms : proceedings of an International Workshop on Bicarbonate Use in Photosynthesis, August 18-22, 1984, commemorating the seventy-fifty anniversary of the University of California, Davis, 1909-1984 1985
Interactions among waterfowl, fishes, invertebrates, and macrophytes in four Maine lakes of different acidity / 1985
Interactive influences of light and temperature on the growth and morphology of submersed freshwater macrophytes / by John W. Barko, Dwilette G. Hardin, M. Susan Matthews. 1984
Interrelations of Several Abiotic Factors and the Higher Aquatic Plants in a Stream Ecosystem. 1969
Intralaboratory Precision of Saltwater Short-Term Chronic Toxicity Tests. 1989
Investigation of a Northeastern Wisconsin Lake Ecosystem: An Interdisciplinary Approach. Phase I. Approach and Preliminary Survey. 1972
Investigation of a Northeastern Wisconsin Lake Ecosystem: An Interdisciplinary Approach. Phase II. Management Problems and Alternatives. 1973
Investigation of the Effects of DDT and Other Chlorinated Hydrocarbon on the Growth of Euryhaline Microalgae. 1972
Is There a Common Response to Ultraviolet-B Radiation by Marine Phytoplankton. 1993
Kepone in the marine environment : publications and prepublications / 1978
Lake Champlain Basin Aquatic Nuisance Species Management Plan (Revised 2005). 2005
Lake drawdown as a method of improving water quality / 1977
Lake Eutrophication - Water Pollution Causes, Effects and Control. 1970
Lake Huron Intensive Survey, 1980: Analysis of Samples from the Detroit Municipal Water Intake for Use in Monitoring Southern Lake Huron. 1986
Lake Level Drawdown as a Macrophyte Control Technique. 1980
Lake Minnetonka: Nutrients, Nutrient Abatement, and the Photosynthetic System of the Phytoplankton. 1970
Lake Restoration by Sediment Removal. 1982
Light and photosynthesis in aquatic ecosystems / 2011
Light and photosynthesis in aquatic ecosystems / 1994
Light and photosynthesis in aquatic ecosystems [electronic resource] / 2010
Limnology of Stockbridge Bowl, Stockbridge, Massachusetts. 1973
Living resources monitoring plan : an agreement commitment report from the Chesapeake Executive Council. 1988
Living resources monitoring plan. 1991
Location, Identification, and Characterization of Pathogens of the Water Hyacinth. 1973
Long Term Effects of the Barge FLORIDA Oil Spill. 1981
Macrobenthos of the Pamlico River Estuary, North Carolina. 1970
Macrophyte surveys of littoral habitats in Great Lakes' areas of concern : the Bay of Quinte, Hamilton harbour, and Severn Sound, 1988 to 1991 / 1993
Management of Lakes Through Sediment Removal. 1984
Management of shallow impoundments to provide emergent and submergent vegetation for waterfowl 1995
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