Search Results for the EPA National Library Catalog

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Showing: Items 801 - 850
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Select Item Title Year Published
Montgomery County advanced wastewater treatment facility : effects of site location on water quality 1972
Montgomery County, Maryland uses biological monitoring to better understand and manage watersheds / 2002
Montgomery County, Maryland, street atlas. 2008
Montgomery County, Maryland, street map book : includes Olney, Potomac, Kensington, airport maps ... much more / 1999
Mount Storm, West Virginia - Gorman, Maryland, and Luke, Maryland - Keyser, West Virginia, Air Pollution Abatement Activity. 1971
Mount Storm, West Virginia-Gorman, Maryland, and Luke, Maryland-Keyser, West Virginia, air pollution abatement activity : technical report, pre-conference investigations. 1971
Municipal Water Facilities Inventory as of January 1, 1958. Volume 3 - Region III - District of Columbia, Kentucky, Maryland, North Carolina, Virginia, West Virginia, Puerto Rico, Virgin Islands. 1960
Municipal Water Facilities Inventory as of January 1, 1958. Volume 3. Region III - District of Columbia, Kentucky, Maryland, North Carolina, Virginia, West Virginia, Puerto Rico, Virgin Islands. 1960
National Air Sampling Network, Air Quality Data. 1962
National Assessment of the Urban Particulate Problem. Volume V. Baltimore, Maryland. 1976
National Capital Region Water and Waste Management Report. 1971
National Environmental/Energy Workforce Assessment. Maryland. 1977
National Environmental/Energy Workforce Assessment. National Summary. Volume Two: Iowa-Nebraska. 1977
National priorities list sites : Maryland. 1991
National priorities list sites : Maryland. 1992
National priorities list sites, Maryland. 1990
Nationwide Urban Runoff Program, Baltimore, Maryland: Sources of Microorganisms in Urban Runoff. 1982
Nationwide Urban Runoff Program, Washington, DC. Area Urban Runoff Project: Seneca Creek Watershed Management Study. Volume 1. 1983
Nationwide Urban Runoff Program: The Piscataway Creek Watershed Study, Final Report. 1983
Natural attenuation of chlorinated volatile organic compounds in a freshwater tidal wetland, Aberdeen Proving Ground, Maryland / 1997
NERL PM research monitoring platforms : {microform} Baltimore, Fresno and Phoenix, data report. 1998
Network description and initial water-quality data from a statewide ground-water-quality network in Maryland 1996
New interpretations of the eastern Piedmont geology of Maryland or, Granite and gabbro or graywacke and greenstone / 1971
NIST calibration services users guide 1989
Nitrate in the Columbia aquifer, central Delmarva Peninsula, Maryland / 1984
No Further Remedial Action Planned (NFRAP) Sites on CERCLIS for Region 3: Virginia, West Virginia, Pennsylvania, Maryland, Delaware, District of Columbia. 1995
Non-point source studies on Chesapeake Bay. II. Nutrients in land runoff from Rhode River watersheds in 1975 and 1976 / 1977
Non-Point Source Studies on Chesapeake Bay. II. Nutrients in Land Runoff from Rhode River Watersheds in 1975 and 1976. 1977
Non-Point Source Studies on Chesapeake Bay. III. Relationship between Bacterial Contamination and Land Use in the Rhode River Watershed, and Survival Studies of 'Streptococcus faecalis' in the Estuary. 1977
Non-Point Source Studies on Chesapeake Bay. VI. Particulate Discharge from Rhode River Subwatersheds, 1975. 1977
Non-Point Source Studies on Chesapeake Bay. VII. Metals Discharge from the Rhode River Watershed in 1975. 1977
Non-point source studies on Chesapeake Bay. VIII. Preliminary tests of the application of Rhode River statistical models to Patuxent River subwatersheds / 1977
Non-tidal wetlands protection : a handbook for Maryland local governments 1983
Nonpoint pollution control tools and techniques for the future : proceedings of a technical symposium / 1981
Nonpoint source assessment of the Monocacy River with special emphasis in Double Pipe Creek watershed final report / 1986
North American project--a study of U.S. water bodies : a report for the Organization for Economic Cooperation and Development / 1977
North-central ocean basin regional wastewater treatment facility, Worcester County, Maryland 1978
Northeast corridor regional modeling project continuous non-methane organic compound data collection / 1980
Nuclear power plants in Maryland; a report. 1969
Nursery Role of Seagrass Meadows in the Upper and Lower Reaches of the Chesapeake Bay. 1982
Nutrient and sediment concentrations, trends, and loads from five subwatersheds in the Patuxent River basin, Maryland, 1986-96 / 1999
Nutrient data summary 1964, 1965, 1966 Upper Chesapeake Bay (Smith Point to Turkey Point), Potomac, South, Severn, Magothy, Back, Chester, and Miles Rivers; and Eastern Bay / 1966
Nutrient dynamics in the Choptank River watershed a comparative analysis of subwatershed exports / 1988
Nutrient Trading for the Chesapeake Bay. 2001
Nutrient Trading in the Chesapeake Bay Watershed. Public Workshop Proceedings. Held in Maryland, Virginia, Pennsylvania and Washington, DC. in January 2001. 2001
Observation and evaluation of the Maryland Department of Health and Mental Hygiene visible emissions training and certification program evaluation 1980
Occurrence and abundance of the American eel in freshwater streams of Maryland final report, March 1974 - October 1976 for upper Chesapeake Bay drainage, Potomac River drainage / 1978
Occurrence and distribution of enteric viruses in shallow ground water and factors affecting well vulnerability to microbiological contamination in Worcester and Wicomico Counties, Maryland / 2001
Occurrence and distribution of radium, gross alpha-particle activity and gross beta-particle activity in ground water in the Magothy Formation and Potomac Group aquifers, upper Chesapeake Bay area, Maryland 2000
Occurrence and distribution of radium, gross alpha-particle activity, and gross beta-particle activity in ground water in the Magothy Formation and Potomac Group aquifers, Upper Chesapeake Bay area, Maryland 2000
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