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United States Environmental Protection Agency
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Items Found: 5037
Showing: Items 101 - 150
Your Search: (SUBJECT=Concentration composition)
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Accumulation of Cadmium by the American Oyster, 'Crassostrea virginica'.
Accumulation of Cesium-137 and Strontium-90 in Ponderosa Pine and Monterey Pine Seedlings.
Accumulation of PCBs (Polychlorinated Biphenyls), Mercury and Cadmium by 'Nereis virens', 'Mercenaria mercenaria', and Palaemonetes pugio' from Contaminated Harbor Sediments.
Accumulation of Polychlorinated Organic Contaminants from Sediment by Three Benthic Marine Species.
Accumulation of Polycylic Aromatic Hydrocarbons in Crankcase Oil.
Accumulation of tritium in various species of fish reared in tritiated water. /
Accumulation, Fractionation and Release of Oil by the Intertidal Clam 'Macoma balthica'.
Accuracy and reliability of CEMS Subpart Da (electric utilities) facilities
Accuracy and Trace Organic Analyses.
Accuracy of remotely sensed SO2 mass emission rates /
Acenaphthene : ambient water quality criteria.
Acephate, aldicarb, carbophenothion, DEF, EPN, ethoprop, methyl parathion, and phorate: their acute and chronic toxicity, bioconcentration potential, and persistence as related to marine environments /
Acid Precipitation and Its Effects on Terrestrial and Aquatic Ecosystems.
Acid precipitation in North America : 1987 annual and seasonal data summaries from acid deposition system data base /
Acid precipitation patterns and trends in eastern North America, 1980-1984 /
Acidic Deposition and Aquatic Ecosystems: Regional Case Studies.
Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 1. Atmospheric Sciences (Review Draft).
Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 2.
Acidic Deposition Phenomenon and Its Effects: Critical Assessment Review Papers. Volume 2. Effects Sciences (Review Draft).
Acidic Gases and Aerosols in the Eastern and Western United States.
Acidification of Rain by the Oxidation of Dissolved SO2 and the Absorption of HNO3.
Acidity, Nutrients, and Minerals in Atmospheric Precipitation Over Florida: Deposition Patterns, Mechanisms, and Ecological Effects.
Acquisition and Analysis of Groundwater/Aquifer Samples: Current Technology and the Trade off between Quality Assurance and Practical Considerations.
Acquisition and chemical analysis of mother's milk for selected toxic substances /
Acquisition of Representative Ground Water Quality Samples for Metals.
Acrolein : ambient water quality criteria.
Actinomycete distribution in northern Green Bay and the Great Lakes : taste and odor relationships in eutrophication of nearshore waters and embayments /
Activated carbon process for treatment of wastewaters containing hexavalent chromium /
Activated Carbon Treatment of Kraft Bleaching Effluents.
Acute and Chronic Effects of Cadmium on the Estuarine Mysid, 'Mysidopsis bahia'.
Acute and Chronic Effects of Diflubenzuron (Dimilin) on Freshwater Fish and Invertebrates.
Acute and chronic effects of water quality criteria based metal mixtures on three aquatic species
Acute and Chronic Effects of Water Quality Criteria-Based Metal Mixtures on Three Aquatic Species (Journal Version).
Acute and chronic parathion toxicity to fish and invertebrates /
Acute and chronic toxicity of chlordane to fish and invertebrates /
Acute and Chronic Toxicity of Copper to the Fathead Minnow in a Surface Water of Variable Quality.
Acute and chronic toxicity of HCN to fish and invertebrates /
Acute and Chronic Toxicity of Some Chlorinated Benzenes, Chlorinated Ethanes, and Tetrachloroethylene to 'Daphnia magna'.
Acute and Subchronic Inhalation Exposures of Hamsters to Nickel-Enriched Fly Ash.
Acute and Subchronic Toxicity of Pentachlorobenzene.
Acute Toxicities of Cd2+, Cr+6, Hg2+, Ni2+, and Zn2+ to Estuarine Macrofauna.
Acute Toxicities of Selected Heavy Metals to the Softshell Clam, 'Mya arenaria'.
Acute Toxicity and Behavioral Effects of Acrylates and Methacrylates to Juvenile Fathead Minnows (Journal Version).
Acute Toxicity and Bioconcentration of Endosulfan-Exposed Estuarine Animals.
Acute Toxicity and Sublethal Behavioral Effects of Copper on Barnacle Nauplii 'Balanus improvisus'.
Acute Toxicity of Ammonia and Nitrite to Cutthroat Trout Fry.
Acute Toxicity of Ammonia to Fathead Minnows.
Acute Toxicity of Kepone (Trademark) to Four Estuarine Animals.
Acute Toxicity of Organic Chemical Mixtures to the Fathead Minnow.
Acute Toxicity of Sediment from Eagle Harbor, Washington, to the Infaunal Amphipod 'Rhepoxynius abronius'.
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