Search Results for the EPA National Library Catalog

Items Found: 4182
Showing: Items 651 - 700
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Select Item Title Year Published
Arkansas' evaluation of the desirability of introducing the white amur (Ctenopharyngodon idella, Val.) for control of aquatic weeds 1972
Arsenic : water quality standards criteria summaries a compilation of state/federal criteria / 1988
Arsenic and Lead in Water. A Bibliography. 1971
Arsenic removal from drinking water by adsorptive media U.S. EPA demonstration project at Dummerston, VT : six-month evaluation report / [electronic resource] : 2007
Arsenic Removal from Drinking Water by Adsorptive Media U.S. EPA Demonstration Project at Richmond Elementary School in Susanville, CA, Six-Month Evaluation Report. 2007
Arsenic removal from drinking water by adsorptive media U.S. EPA demonstration project at Spring Brook Mobile Home Park in Wales, ME : six-month evaluation report / [electronic resource] : 2006
Artificial Microbial Ecosystem for Determining Effects and Fate of Toxicants in a Salt-Marsh Environment. 1977
Artificial Sediments for Use in Tests with Wetland Plants. 1990
Artificial substrates 1982
Asbestos : ambient water quality criteria. 1979
Aspects of phosphate utilization by blue-green algae / 1976
Aspects of the Relationship Between Temperature and Aquatic Chemistry. 1973
Assessing a Ten-Fold Increase in the Chesapeake Bay Native Oyster Population. A Report to the EPA Chesapeake Bay Program. 2005
Assessing and monitoring floatable debris / 2002
Assessing and monitoring floatable debris. 2002
Assessing bioaccumulation in aquatic organisms exposed to contaminated sediments / 1991
Assessing contaminant sensitivity of endangered and threatened species : effluent toxicity tests / 1999
Assessing contaminant sensitivity of endangered and threatened species: effluent toxicity tests / 1999
Assessing Potential Ocean Pollutants. 1975
Assessing the interactions of organic compounds during biodegradation of complex waste mixtures by naturally occurring bacterial assemblages / 1989
Assessing the Relationship Between Propagule Pressure and Invasion Risk in Ballast Water. 2010
Assessing the risks of trace gases that can modify the stratosphere / 1987
Assessing Trends in Fishery Resources and Lake Water Aluminum from Paleolimnological Analyses of Siliceous Algae. 1992
Assessment and significance of sediment-associated oil and grease in aquatic environments : final report / 1977
Assessment of deposition levels of sulfur and nitrogen required to protect aquatic resources in selected sensitve regions of North America / 1996
Assessment of energy resource development impact on water quality : the Belle Fourche and Little Missouri River Basins / 1979
Assessment of environmental fate and effects of discharges from offshore oil and gas operations / 1985
Assessment of key biological resources in the Delaware River Estuary 1991
Assessment of nitrogen loads to aquatic systems / 1995
Assessment of nitrogen loads to aquatic systems : project summary / 1997
Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska. Volume 2. Appendices A-D. 2014
Assessment of Potential Mining Impacts on Salmon Ecosystems of Bristol Bay, Alaska. Volume 3. Appendices E-J. 2014
Assessment of potential toxic releases from leather industry dyeing operations / 1978
Assessment of Salinity Effects on the Toxicity of Atrazine to Chesapeake Bay Species: Data Needs for Development of Estuarine Aquatic Life Criteria. 1993
Assessment of Sediments in the Buffalo River Area of Concern / 1995
Assessment of sublethal effects of pollutants in the sea : a discussion 1979
Assessment of sublethal effects of pollutants in the sea : a Royal Society discussion 1979
Assessment of the bottom fauna and sediments of the western basin of Lake Erie, 1979 1981
Assessment of the effects of chlorinated seawater from power plants on aquatic organisms / 1978
Assessment of the effects of subtidally discharged municipal wastewater effluent on the intertidal biota of several central Puget Sound beaches final reports / 1977
Assessment of the Lake Michigan Monitoring Inventory: A Report on the Lake Michigan Tributary Monitoring Project. 2000
Assessment of the Marine Biofouling Introductions to the Puget Sound Region of Washington State. 2014
Assessment of the precision and accuracy of SAM and MFC microcosms exposed to toxicants / 1989
Assessment of water quality, benthic invertebrates, and periphyton in the Threemile Creek basin, Mobile, Alabama, 1999-2003 / 2005
Association between nutrients, habitat, and the aquatic biota in Ohio rivers and streams. 1999
ASTER: An Integration of the ACQUIRE Data Base and the QSAR System for Use in Ecological Risk Assessments. 1991
Atlantic silverside / 1983
Atlas of vascular plant species distribution maps for tidewater Maryland / by William S. Sipple, Wetlands Permit Section . 1978
Atmospheric Deposition in Maryland: Assessment of Status, Trends, and Environmental Effects. 1997
Atmospheric Organic Nitrogen Deposition: EPA Chesapeake Bay Program Workshop Meeting. Held in College Park, Maryland on May 20-21, 1998. 2002
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