Search Results for the EPA National Library Catalog

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Preliminary assessment of microbial communities and biodegradation of chlorinated volatile organic compounds in wetlands at Cluster 13, Lauderick Creek area, Aberdeen Proving Ground, Maryland / 2003
Preliminary assessment of morphological and hydrological characteristics of piedmont and coastal plain streams in Maryland 1999
Preliminary Design of a Comprehensive Waste Oil Processing Facility. 1975
Preliminary Evaluation of Potential Effects of Bathymetric Alterations of the Chesapeake and Delaware Canal on Striped Bass. 1992
Preliminary review : current status of Maryland's oyster resources. 1985
Preliminary Study of Sediment Sources in the Potomac River Basin, Washington, D.C. Metropolitan Area. 1970
Preliminary study of the occurrence of the American eel and other finfish species in Maryland by Ray C. Dintaman. 1975
Preliminary watershed management investigation of the West-Rhode River System, Anne Arundel County, Maryland 1985
Preparation of Plans and Specifications for Pollution Abatement Activities in Cherry Creek Watershed, Maryland. 1973
Present state of organic xenobiotics in the Chesapeake Bay : a synthesis paper 1981
Pretreatment of the combined industrial-domestic wastewaters of Hagerstown, Maryland / 1978
Pretreatment of the Combined Industrial-Domestic Wastewaters of Hagerstown, Maryland. Appendix. Volume II. 1978
Prince George's County ground-water information : well records, chemical-quality data, pumpage, appropriation data, observation well records, and well logs / 1983
Prince George's County, Maryland, street map book : includes Cheverly, commuter rail maps ... / 1999
Probabilistic ecological risk assessment of tributyltin in the Chesapeake Bay watershed : final report / 1998
Problems posed by sediment derived from construction activities in Maryland 1966
Proceedings : Delmarva Coastal Bays Conference III : tri-state approaches to preserving aquatic resources, November 12-13, 1999, Ocean City, Maryland / 2000
Proceedings of the Baltimore Symposium on Urban Environmental Justice Research and Education. 1995
Proceedings of the Chesapeake Bay Program Toxics Subcommittee sponsored : Chesapeake Bay contaminated sediments : critical issue forum / 1993
Proceedings, Conference, Pollution of the Interstate Waters of the Potomac River (Washington Metropolitan Area), District of Columbia-Maryland-Virginia, Arlington, Va., December 8-9, 1970. 1970
Proceedings: The Surgeon General's Conference on Solid Waste Management for Metropolitan Washington. 19-20 July 1967. 1967
Profile of the Maryland petroleum industry : a study 1974
Program Activities. 1972
Program directory / 0
Programmed demonstration for erosion and sediment control specialists / 1974
Progress Report under the 1987 Chesapeake Bay Agreement (2nd). 1989
Progress report water quality management planning / 1986
Project unresolved harbor dredging and the port of Baltimore / 1983
Proof of concept for integrating bioassessment results from three state probabilistic monitoring programs : final report / 2006
Proposed coastal management program for the State of Maryland : draft environmental impact statement 1978
Proposed Potomac River water supply structures : final environmental impact statement 1978
Protecting wetlands : tools for local governments in the Chesapeake Bay Region. 1997
Provisional inventory of the flora and fauna of Watts Branch, Muddy Branch, and Seneca Creek, Montgomery County, Maryland : environmental planning document. 1974
Public access strategy : an agreement commitment report from the Chesapeake Executive Council. 1988
Public Health Evaluation Calvert Cliffs nuclear power plant. 1900
Public-private partnerships for environmental services : Region 3 conference proceedings / 1989
Quality management plan 2000
Quality of surface water in the coal-mining areas of western Maryland and adjacent areas of Pennsylvania and West Virginia from April 1979 to June 1980 1981
Queen Anne's County. 1926
Radiation Survey of Television Repair Shops in the Baltimore Area. 1971
Radon reduction techniques in schools : interim technical guidance. 1989
Radon soil-gas survey in Prince Georges County, Maryland 1988
Real Property Owned by the Federal Government in the State of Maryland. 1971
Real-World Automotive Emissions: Summary of Studies in the Fort McHenry and Tuscarora Mountain Tunnels. 1995
Receiving Water Quality Database for Testing of Mathematical Models. 1984
Recent Wetland Status and Trends in the Chesapeake Watershed (1982 to 1989): Technical Report. 1994
Recent wetland trends in Anne Arundel County, Maryland (1981-82 to 1988-90) 1992
Recommendations of the Potomac River Enforcement Conference May 8, 1969. 1969
Reconnaisance of the ground-water, surface water system in the Zekiah Swamp Run Basin, Charles and Prince Georges Counties, Maryland 1986
Reconnaissance survey of the Severn River sediments 1977
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