Search Results for the EPA National Library Catalog

Items Found: 2036
Showing: Items 1951 - 2000
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Toxic Substances Control Act (TSCA) Chemical Substances Inventory: Revised Inventory Synonym and Preferred Name File, June 1991. 1991
Toxic Substances Control Act (TSCA) Chemical Substances Inventory: Revised Inventory Synonym and Preferred Name File, March 1990. 1990
Toxic Substances Control Act (TSCA) Chemical Substances Inventory: Revised Inventory Synonym and Preferred Name File. January 1992 Magnetic Tape Documentation. 1992
Toxic Substances Control Act (TSCA) Chemical Substances Inventory: Revised Synonym and Preferred Name File, January 1993. 1993
Toxic Substances Control Act (TSCA) Chemical Substances Inventory: Revised Synonym and Preferred Name File, June 1992. Record and Data Element Description. 1992
Toxic Substances Control Act Chemical Substances Inventory: Cumulative Supplement, July 1980. 1980
Toxic Substances Control Act Chemical Substances Inventory: Revised Inventory Synonym and Preferred Name File, January 1991. 1991
Toxic Substances. 1971
Toxicity of Flucythrinate to Gammarus lacustris (Amphipoda), Pteronarcys dorsata (Plecoptera) and Brachycentrus americanus (Trichoptera): Importance of Exposure Duration. 1984
Toxics '95 : outlook of factors and trends for toxic chemicals / 1984
Toxics-release inventory executive summary. 1989
Trace and Potentially Toxic Elements Associated with Uranium Deposits in South Texas. 1983
Trace element characterizaton of coal wastes ; second annual progress report, October 1, 1976-September 30, 1977 / 1978
Tracking Toxic Substances at Industrial Facilities: Engineering Mass Balance versus Materials Accounting. 1990
Trends in Catskill Stream Water Quality: Evidence from Historical Data. 1991
Triallate decision document. 1980
Tributyltin : position document 1. {Microfiche} / 1985
Tributyltin technical support document position document 2/3. 1987
Trifluralin (Treflan): Position 1/2/3. 1979
Tritium Concentration in Precipitation, 1967-1968. 1969
TSCA (Toxic Substance Control Act) Chemical Substances Inventory: Initial Inventory and Cumulative Supplement Two, Plantsite Information File. 1983
TSCA (Toxic Substance Control Act) Chemical Substances Inventory: Initial Inventory and Cumulative Supplement Two, Preferred Name File and Synonym File. 1983
TSCA (Toxic Substance Control Act) Chemical Substances Inventory: Initial Inventory and Cumulative Supplement Two, Production Information File. 1983
TSCA (Toxic Substances Control Act) Status Report for Existing Chemicals. 1981
U.S. Environmental Protection Agency : long-range research agenda 1987-1991. 1987
U.S. EPA/ORD Large Buildings Study: Results of the Initial Survey of Randomly Selected GSA Buildings. 1994
Ultraviolet-Visible Spectrophotometer Automation System. Part I: Functional Specifications. 1982
Ultraviolet-Visible Spectrophotometer Automation System. Part II: User's Guide. 1982
Ultraviolet-Visible Spectrophotometer Automation System. Part III: Program Documentation. 1982
Unconventional Natural Gas Resources: An Overview Covering the Resources and Environmental Aspects of Production. 1982
Unfinished business : a comparative assessment of environmental problems - appendix I : report of the cancer risk work group / 1987
Unfinished business : a comparative assessment of environmental problems - appendix II : non-cancer risk work group / 1987
Unfinished business : a comparative assessment of environmental problems - appendix III : ecological risk work group / 1987
Unfinished business : a comparative assessment of environmental problems - appendix IV : welfare risk work group / 1987
Unfinished business : a comparative assessment of environmental problems : volume I, overview report / 1987
Unfinished business in New England : a comparative assessment of environmental problems : ecological risk management work report. 1988
Unfinished Business in New England: A Comparative Assessment of Environmental Problems. Ecological Risk Work Group Report. 1988
Unfinished Business in New England: A Comparative Assessment of Environmental Problems. Overview Report. 1988
Unfinished Business in New England: A Comparative Assessment of Environmental Problems. Public Health Risk Work Group Report. 1988
Unfinished Business: A Comparative Assessment of Environmental Problems. 1987
Unifying Scaler for Bioassay Tests. 1984
United States procedures for sampling and analysis of hazardous waste / 1986
Update to the health assessment document and addendum for dichloromethane (methylene chloride) : pharmacokinetics, mechanism of action,and epidemiology. 1987
Use of Immunotoxicity Data in the Environmental Regulatory Process. 1984
Use of small otter trawls in coastal biological surveys / 1978
Use of Whole Embryo Culture for Evaluating Toxicity and Teratogenicity. 1984
USEPA research grants and centers summary of awards FY 80 thru FY 83. 1984
User's guide and data dictionary for Kenai Lakes Investigation Project / 1992
User's guide for the computer program REsponse FACtor / 1984
User's manual for TOX-SCREEN : a multimedia screening-level program for assessing the potential fate of chemicals released to the environment / 1984
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