Search Results for the EPA National Library Catalog

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Total Maximum Daily Loads of Nitrogen and Phosphorus for Mattawoman Creek in Charles County and Prince George's County, Maryland. 2004
Total Maximum Daily Loads of Nitrogen and Phosphorus for the Baltimore Harbor in Anne Arundel, Baltimore, Carroll and Howard Counties and Baltimore City, Maryland. 2006
Total Maximum Daily Loads of Phosphorus for the Sassafras River, Cecil and Kent Counties, Maryland. 2002
Toward a watershed approach : a framework for aquatic ecosystem restoration, protection, and management. 1994
Toxic Contaminants in the Chesapeake Bay and its Watershed: Extent and Severity of Occurrence and Potential Biological Effects. 2012
Toxic Organic Compounds in Surface Sediments from the Elizabeth and Patapsco Rivers and Estuaries. 1982
Toxic Organic Compounds in Surface Sediments from the Elizabeth and Patapsco Rivers and Estuaries: Appendices. 1982
Toxic point source assessment of industrial discharges to the Chesapeake Bay basin, phase II : protocol development study / 1981
Toxic point source assessment of industrial discharges to the Chesapeake Bay basin. Phase III, Protocol verification study. 1982
Toxic point source assessment of industrial discharges to the Chesapeake Bay basin. Phase III, Protocol verification study. 1982
Toxic point source assessment of industrial discharges to the Chesapeake Bay basin. Phase III, Protocol verification study. 1982
Toxic point source assessment of industrial discharges to the Chesapeake Bay basin. Phase III, Protocol verification study. 1982
Toxic pollution and the Chesapeake Bay. 1988
Toxic substances in the Chesapeake Bay / 1900
Toxic substances in the Chesapeake Bay estuary / 1900
Toxicity of Dibutyl Phthalate-Contaminated Sediment to Laboratory- and Field-Colonized Estuarine Benthic Communities. 1986
Toxics 2000 strategy : a Chesapeake Bay Watershed strategy for chemical contaminant reduction, prevention, and assessment / 2000
Trace Elements and their associates in sediments over the Hampton Roads harbor and lower Chesapeake Bay area 1984
Trace elements in the sediments of Baltimore Harbor and Elizabeth River 1981
Transcript of public hearing on Chesapeake Bay study, Maryland & Virginia held by District Engineer, Baltimore District, Corps of Engineers, Department of the Army / 1967
Transmittal of draft summary report on biennial review of Chesapeake Bay initiatives 1986
Transport of chlorinated hydrocarbons in sediments of the upper Chesapeake Bay 1975
Trends and status of flow, nutrients, and sediments for selected nontidal sites in the Chesapeake Bay Watershed, 1985-98 / 2000
Trends in Nitrogen in the Chesapeake Bay, 1984-1990. 1992
Trends in phosphorus, nitrogen, Secchi depth, and dissolved oxygen in Chesapeake Bay, 1984 to 1992. 1994
Trends in the distribution, abundance, and habitat quality of submerged aquatic vegetation in Chesapeake Bay and its tidal tributaries : 1971 to 1991 / 1994
Trends in water quality for Chesapeake Bay relative to improved management 1900
Trends in water quality for Chesapeake Bay relative to improved management / 1981
Turbidity maximum of the northern Chesapeake Bay. 1968
Turning Chesapeake Bay Watershed Poultry Manure and Litter into Energy: An Analysis of the Impediments and the Feasibility of Implementing Energy Technologies in the Chesapeake Bay Watershed in Order to Improve Water Quality. 2008
Turning the tide : saving the Chesapeake Bay / 2003
Turning the tide : saving the Chesapeake Bay / 1991
U.S. Geological Survey Chesapeake Bay studies : scientific solutions for a healthy bay and watershed / 2006
Uncertainties in Nitrogen Mass Loadings in Coastal Watersheds. 1990
Understanding the Chesapeake a layman's guide, 1973
Understanding the estuary : advances in Chesapeake Bay research / 1988
Underwater grasses in Chesapeake Bay & Mid-Atlantic coastal waters : guide to identifying submerged aquatic vegetation / 2006
University of Maryland Chesapeake roster ... 1975
Updated Review of Estuarine Aquatic Toxicity Data for the Development of Aquatic Life Criteria for Atrazine in Chesapeake Bay. Phase 2 Report. 1994
Upper bay survey : final report to the Maryland Department of Natural Resources ... / 1975
Upper Chesapeake Bay water quality studies : Bush River, Romney Creek, Spesutie Narrows and Swan Creek 1968-1971, Chesapeake and Delaware Canal 1970, Chester River 1970, Severn River 1970-1971, Gunpowder, Middle and Bird Rivers 1971 / 1972
Uptake kinetics and recycling of nutrients in the Potomac River estuary and northern Chesapeake Bay : 1 October 1976-31 December 1977 1980
Urban stormwater runoff contamination of the Chesapeake Bay sources and mitigation / 1991
Use of nutrient balances in comprehensive watershed water quality modeling of Chesapeake Bay 1998
Use of Rhodamine B Dye as a tracer in streams of the Susquehanna River Basin 1964
Use of the Chesapeake Bay for cooling thermal-electric power plants 1972
User's Guide to Chesapeake Bay Program Biological and Living Resources Monitoring Data, 2000. 2000
Users Guide to Chesapeake Bay Program Biological and Living Resources Monitoring Data, 1997. 1997
Using the Regional Acid Deposition Model to Determine the Nitrogen Deposition Airshed of the Chesapeake Bay Watershed. 1995
Using the sediment quality triad to characterize toxic conditions in the Chesapeake Bay (1999) : an assessment of tidal river segments in the Bohemia, Magothy, Patuxent, Potomac, James, and York rivers / 2001
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