Search Results for the EPA National Library Catalog

Items Found: 904
Showing: Items 801 - 850
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Trends in phosphorus, nitrogen, Secchi depth, and dissolved oxygen in Chesapeake Bay, 1984 to 1992. 1994
Tribal nonpoint source planning handbook. 1997
Tribal nonpoint source workbook. 1997
Tribal nonpoint source workbook. 1997
Turning the tide : a citizen's guide to reducing nonpoint source pollution / 2001
U.S. EPA nonpoint source information exchange computer bulletin board system (BBS) : user's manual. 1992
U.S. EPA NPDES permit writers' course workbook. 1997
U.S. EPA NPDES permit writers' course workbook. 1999
U.S. EPA NPDES permit writers' course workbook. 1997
U.S. EPA NPDES permit writers' course workbook. 1997
U.S. progress in implementing the Great Lakes Water Quality Agreement : annex reports to the International Joint Commission 1988. 1989
Uncertainty in Leaching Potential of Nonpoint Source Pollutants with Application to a GIS. 1999
Unfinished Business in New England: A Comparative Assessment of Environmental Problems. Public Health Risk Work Group Report. 1988
United States Great Lakes Tributary Loadings. 1978
Update and evaluation of agricultural non-point source control practices for the Great Lakes Basin : final report to the Non-Point Source Task Force of the International Joint Commission / 1983
Upper Great Lakes Connecting Channels Study / 1988
Upper Great Lakes connecting channels study. : Nonpoint Source Work Group agricultural pollution sources Lake St. Clair--Canada / 0
Upper Great Lakes Connecting Channels Study. Volume 1: Executive Summary. 1988
Urban BMP's: A Stormwater Control Demonstration Project. 1992
Urban Runoff and Combined Sewer Overflow. 1979
Urban runoff and stormwater management handbook / 1990
Urban runoff pollution prevention and control planning : handbook. 1993
Urban stormwater management workshop proceedings : Edison, New Jersey, December 1, 1977 / 1978
Urbanization and water quality : a guide to protecting the urban environment / 1994
Use of Periphyton in the Development of Biocriteria. 1994
Use of the Black Creek Database to Analyze Techniques for Estimating Nonpoint Source Loadings from Small Watersheds (May 1988). 1991
Use of Water Quality Models in Management Decision Making. 1982
User's guide for PAL ; a gaussian-plume algorithm for point, area, and line sources / 1978
User's guide for RAM / 1987
User's guide for RAM / 1978
User's Guide for RAM: Volume II Data Preparation and Listings / 1978
User's guide for the fugitive dust model (FDM) 1991
User's guide for the fugitive dust model (FDM) : revised : user's instructions / 1991
User's manual for agricultural runoff management (ARM) model / 1978
User's manual for the nonpoint source (NPS) model / 1979
Utah Nonpoint Source 319 Program, 1995 Annual Report 1995
Vegetated Filter Strips for Agricultural Runoff Treatment. 1987
Voluntary and regulatory approaches for nonpoint source pollution control. (Water quality planning). Conference held at Rosemont, Illinois, May 23-24, 1978 / 1978
Voluntary incentives for reducing agricultural nonpoint source water pollution 1995
Volunteer Monitoring on the Nonpoint Source Electronic Bulletin Board System 1994
Ware River Intensive Watershed Study - 1. Nonpoint Source Contributions. 1983
Ware River intensive watershed study : 2. estuarine receiving water quality / 1983
Wastewater Facilities and the Clean Water Program. 1977
Wastewater Facilities and the Clean Water Program. Appendices. 1977
Wastewater Facilities and the Clean Water Program. Volume 2. Analysis, Comments and Responses. 1978
Water is life : Nonpoint Source Coordinators Meeting : May 20-22, 1997. 1997
Water purification by evaporation and condensation / 1998
Water quality : better data and evaluation of urban runoff programs needed to assess effectiveness : report to congressional requesters / 2001
Water quality : federal role in addressing-- and contributing to-- nonpoint source pollution : report to the Chairman, Subcommittee on Water Resources and Environment, Committee on Transportation and Infrastructure, House of Representatives / 1999
Water quality assessment : a screening method for nondesignated 208 areas / 1977
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