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Search Results for the EPA National Library Catalog
Items Found: 1482
Showing: Items 551 - 600
Your Search: (SUBJECT=phosphorus)
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Year Published
551
Impact of Algal-Available Phosphorus on Lake Erie Water Quality: Mathematical Modeling.
1984
552
Impact of Broadly Applied Effluent Phosphorus Standards on Eutrophication Control.
1978
553
Impact of phosphorus reduction via metalimnetic alum injection in Bullhead Lake, Wisconsin
1985
554
Impact of urban storm runoff on stream quality near Atlanta, Georgia /
1980
555
Impacts of Cropland Runoff on Nutrient and Pesticide Concentrations in River Systems.
1988
556
Impacts of phosphorus on streams /
1984
557
Impacts of sediment and nutrients on biota in surface waters of the United States /
1979
558
Impairment of Antipredator Behavior in 'Palaemonetes pugio' by Exposure to Sublethal Doses of Parathion.
1977
559
Implementation of Sequencing Batch Reactors for Municipal Treatment.
1983
560
Importance of Hydrogen Ions and Aluminium in Regulating the Structure and Function of Steam Ecosystems: An Experimental Test.
1987
561
Improved liquid-solids separation by an aluminum compound in activated sludge treatment /
1975
562
Improved Silica Gel Cleanup Method for Organophosphorus Pesticides.
1987
563
in situ Evaluation of Nutrient Effects in Lakes.
1973
564
In vivo Inhibition of Chicken Brain Acetylcholinesterase and Neurotoxic Esterase in Relation to the Delayed Neurotoxicity of Leptophos and Cyanofenphos.
1986
565
In-system storage controls for reduction of combined sewer overflow, Saginaw, Michigan /
1985
566
In-System Storage Controls for Reduction of Combined Sewer Overflow, Saginaw, Michigan. Technical Report.
1985
567
In-vitro methods for evaluating side effects of pesticides and toxic substances /
1976
568
Index to Evaluate Lake Restoration.
1980
569
Induction of Specific Proteins in Eukaryotic Algae Grown under Iron-, Phosphorus-, or Nitrogen-Deficient Conditions.
1993
570
Industrial process profiles for environmental use. Chapter 22, the phosphate rock and basic fertilizers industry /
1977
571
Influence of Algae on Photolysis Rates of Chemicals in Water.
1983
572
Influence of Fertilizer Practices on Water and the Quality of the Environment.
1972
573
Influence of hydrologic loading rate on phosphorus retention and ecosystem productivity in created wetlands
1995
574
Initial scientific and minieconomic review of malathion /
1975
575
Initial scientific and minieconomic review of methyl parathion /
1975
576
Initial scientific and minieconomic review of parathion.
1975
577
Initial Submission: Acute Oral and Dermal Toxicity of Phosphorus Pentasulfide in Rats and Rabbits with Cover Letter dated 10/16/1992.
1992
578
Initial Submission: Letter from (Confidential) to USEPA Re Results of a Dermal Sensitization Study in Mice w/a Mixture of Organic Titanate & Inorganic Phosphorus Compound (Confidential) Dated 07/27/2000 (Sanitized).
2000
579
Inorganic analyses in water quality control programs : training manual /
1978
580
Inorganic Analyses in Water Quality Control Programs: Instructor's Guide.
1981
581
Inorganic Analyses in Water Quality Control Programs; Training Manual.
1978
582
Inputs of phosphorus from precipitation to Lake Michigan /
1975
583
Insecticide Activity in Man: Urinary Excretion of Paranitrophenol by Volunteers Following Dermal Exposure to Parathion at Different Ambient Temperatures.
1962
584
Insecticide Adsorption by Lake Sediments as a Factor Controlling Insecticide Accumulation in Lakes.
1971
585
Insecticide persistence in natural seawater as affected by salinity, temperature, and sterility /
1978
586
Instrumental Analysis of Chemical Pollutants (107) Training Manual.
1974
587
Instrumental Analysis of Chemical Pollutants. Training Manual.
1971
588
Intensive watershed study the Patuxent River basin /
1983
589
Interaction of soluble phosphate with aluminum hydroxide in lakes
1977
590
Interim report on the impact of Public Law 92-500 : on municipal pollution control technology /
1976
591
Intermedia Aspects of Air and Water Pollution Control.
1973
592
Intermittent Sand Filtration to Upgrade Existing Wastewater Treatment Facilities.
1974
593
Internal Phosphorus Loading in a Shallow Eutrophic Lake (Journal Version).
1982
594
International Missisquoi Bay Task Force : final report to the International Joint Commission.
2004
595
Interrelation of Carbon and Phosphorus in Regulating Heterotrophic and Autotrophic Populations in Aquatic Ecosystems.
1970
596
Introduction to Nonpoint Source Pollution and Wetland Mitigation.
1991
597
Investigation of a Northeastern Wisconsin Lake Ecosystem: An Interdisciplinary Approach. Phase I. Approach and Preliminary Survey.
1972
598
Investigation of sanitary landfill behavior. Volume I, Final report /
1979
599
Investigation of the Cause and Effect of Eutrophication in Long Lake, Washington.
1973
600
Is Delayed Neurotoxicity a Property of all Organophosphorus Compounds. A Study with a Model Compound: Parathion.
1982
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