Search Results for the EPA National Library Catalog

Items Found: 5697
Showing: Items 1101 - 1150
Your Search: (SUBJECT=Concentration)


 
 
 
PREV 1 ... 18 19 20 21 22 23 24 25 26 27 28 ... 114 NEXT
Select Item Title Year Published
Chemical characterization of model aerosols / 1976
Chemical coagulation/mixed-media filtration of aerated lagoon effluent / 1975
Chemical contamination of harbor seal pups in Puget Sound 1991
Chemical impact of snow dumping practices 1974
Chemical oil dispersants : update state-of-the-art on mechanism of action and factors influencing performance with emphasis on laboratory studies. / 1992
Chemical Reactivity, Cytotoxicity, and Mutagenicity of Chloropropanones. 1987
Chemical Residues in Dolphins from the U.S. Atlantic Coast Including Atlantic Bottlenose Obtained during the 1987/88 Mass Mortality. 1991
Chemical speciation of flue gas desulfurization sludge constituents 1981
Chemical stabilizers for the control of fugitive asbestos emissions from open sources / 1982
Chemical technology and economics in environmental perspective : Task IV - potential worker and consumer exposures to nitrilotriacetic acid (NTA) in detergents : final report / 1979
Chemical Use Classification System. 1977
Chemical Waste Management, Inc. PO*WW*ER (Trade Name) Evaporation-Catalytic Oxidation Technology. Technology Evalution Report. Volume 2. 1993
Chemically active fluid-bed process for sulphur removal during gasification of heavy fuel oil : fourth phase / 1979
Chemicals identified in human breast milk : a literature search / 1983
Chemiluminescence Measurement of Reactivity Weighted Ethylene-Equivalent Hydrocarbons. 1977
Chemiluminescent monitor for vinyl chloride / 1978
Chemistry and Corrosiveness of Dew. 1985
Chemistry and Visual Impact of the Plumes from the Four Corners Power Plant and San Manuel Copper Smelter. 1983
Chemistry of precipitation from sequentially sampled storms / 1980
Chemistry, Physics, and Optical Properties of Plumes and Background Air in the Southwest United States. 1983
Chesakeake Bay: A Profile of Environmental Change. 1983
Chesapeake Bay Atmospheric Deposition Study Final Report. 1996
Chesapeake Bay Atmospheric Deposition Study Phase 2: July 1990-December 1991. Final Report. 1994
Chesapeake Bay Basin Toxics Loading and Release Inventory. 1999
Chesapeake Bay Basin Toxics Loading and Release Inventory. Appendices A, B and C. 1999
Chesapeake Bay Basin Toxics Loading and Release Inventory: Technical Update - Point Source Loads by Facility. 1994
Chesapeake Bay Citizen Monitoring Program Report. Appendix 2. Data Listing by Site. July 1985-October 1988. 1989
Chesapeake Bay Fall Line Toxics Monitoring Program: 1994 Final Report. 1994
Chesapeake Bay Mainstem Monitoring Program Statistical and Analytical Support Contract: Final Report - Volume II 1987
Chesapeake Bay program technical studies : a synthesis / 1982
Chesapeake Bay Sediment Trace Elements. 1983
Chesapeake Bay watershed model application and calculation of nutrient and sediment loadings : appendix B : phase IV Chesapeake Bay watershed model water quality results / 1998
Chloride and Nitrogen Concentrations Along the West Shore of Lake Erie. 1976
Chloride Pollution of the Great Lakes. 1983
Chlorinated benzenes : ambient water quality criteria / 1978
Chlorinated Compounds Found in Waste-Treatment Effluents and Their Capacity to Bioaccumulate. 1976
Chlorinated dioxins and furans in the general U.S. population : NHATS FY87 results / 1991
Chlorinated ethanes : ambient water quality criteria. 1979
Chlorinated Hydrocarbon Insecticides in Plasma and Milk of Pregnant and Lactating Women. 1968
Chlorinated Hydrocarbon Insecticides in Plasma and Milk of Pregnant and Lactating Women. 1968
Chlorinated Hydrocarbon Pesticides and Mercury in Coastal Biota, Puerto Rico and the U.S. Virgin Islands-1972-74. 1975
Chlorinated Hydrocarbon Pesticides in the Fat of People in New Orleans. 1965
Chlorinated Insecticides in Human Serum. 1966
Chlorinated Insecticides in the Body Fat of People in the United States. 1963
Chlorinated phenols : ambient water quality criteria. 1978
Chlorination to Prevent and Control Waterborne Diseases. 1986
Chlorine and hydrogen chloride / 1976
Chlorine Dioxide Effects on THMFP, TOXFP, and the Formation of Inorganic By-products. 1987
Chlorine effects on aquatic organisms : evaluation of selected toxicity models / 1984
Chloroalkyl ethers : ambient water quality criteria. 1979
PREV 1 ... 18 19 20 21 22 23 24 25 26 27 28 ... 114 NEXT

Save, Print or Email Selected Records