Search Results for the EPA National Library Catalog

Items Found: 1484
Showing: Items 151 - 200
Your Search: (SUBJECT=Phosphorus)


 
 
 
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 30 NEXT
Select Item Title Year Published
Biological Effects of Pesticides on the Dungeness Crab. 1977
Biological Nitrogen and Phosphorus Removal in Oxidation Ditch and High Nitrate Recycle Systems. 1990
Biological Phosphorus Removal. 1986
Biological Phosphorus Removal: A Technology Evaluation (Journal Version). 1986
Biological Phosphorus Removal: A Technology Evaluation. 1985
Biological, chemical and physical relationships in the Straits of Mackinac / 1976
Biological-chemical process for removing phosphorus at Reno/Sparks, NV / 1978
Biological-chemical process for removing phosphorus at Reno/Sparks, NV / 1979
Biostimulation Characteristics of Wastes and Receiving Waters of the Snake River Basin. 1974
Brain-Acetylcholinesterase Inhibition in a Marine Teleost during Lethal and Sublethal Exposures to 1,2-Dibromo-2,2-dichloroethyl Dimethyl Phosphate (Naled) in Seawater. 1974
Budget model accounting for the positional availability of phosphorus in lakes 1980
Calcium and phosphorus metabolism in man and animals with special reference to pregnancy and lactation, 1956
Calcium phosphate precipitation in wastewater treatment / 1972
Calcium Phosphate Precipitation in Wastewater Treatment. 1972
Carbon, nitrogen, and phosphorus removal in staged nitrification-denitrification treatment / 1975
Changes in the Physiological Performance and Energy Metabolism of an Estuarine Mysid 'Mysidopsis bahia' Exposed in the Laboratory through a Complete Life Cycle to the Defoliant DEF. 1991
Characteristics and treatability of urban runoff residuals. / 1982
Characteristics of lakes in the eastern United States : a contribution to the National Acid Precipitation Assessment Program. 1986
Characterization and control of radionuclide emissions from elemental phosphorus production / 1989
Characterization of hazardous waste sites : a methods manual : volume III, available laboratory analytical methods / 1984
Characterization of Leaded Fuel Needs and Use Task 2 Topical Report. 1985
Characterization of phosphorus-limited plankton algae : with reflections on the limiting nutrient concept 1971
Characterization of Spatial and Temporal Trends in Water Quality in Puget Sound. 1988
Characterization of Suspended Sediments in Water from Selected Watersheds as Related to Control Processes, Nutrient Contents, and Lake Eutrophication. 1974
Characterization of the Activated Sludge Process. 1973
Chemical analyses for water pollutants : training manual / 1976
Chemical Analyses for Water Quality. Training Manual. 1973
Chemical and Bacteriological Quality of Pasture Runoff. 1982
Chemical and biological studies related to the water quality of St. Louis Bay of Lake Superior / 1984
Chemical and biological treatment of thermally conditioned sludge recycle liquors / 1980
Chemical and Sediment Movement from Agricultural Land into Lake Erie. 1972
Chemical contaminants in nonoccupationally exposed U.S. residents / 1980
Chemical investigation of phosphorus removal in lakes by aluminum hydroxide 1977
Chemical nutrients in Lake George : a final technical report for Union Carbide subcontract no.3639 for the Eastern Deciduous Forest Biome, IBP, Lake George site / 1972
Chemical primary sludge thickening and dewatering / 1979
Chemical technology and economics in environmental perspective : Task I - analysis of the sources of phosphorus in the environment / 1978
Chemical technology and economics in environmental perspective : Task I. analysis of the sources of phosphorus in the environment / 1979
Chemical technology and economics in environmental perspective. final report. Task 1, Analysis of the sources of phosphorus in the environment : 1979
Chemically Exfoliated Vermiculite for Removal of Phosphate from Wastewaters. 1969
Chemistry laboratory manual for bottom sediments and elutriate testing. 1979
Chemistry of phosphorus environmental, organic, inorganic, biochemical and spectroscopic aspects / 1976
Chemistry of phosphorus, cadmium, copper, nickel, lead, and zinc in Indiana lake and reservoir sediments 1979
Chesapeake Bay : introduction to an ecosystem. 1982
Chesapeake Bay nonpoint source programs / 1988
Chesapeake Bay nutrient input study / 1972
Chesapeake Bay Nutrient Reduction Progress and Future Directions. Nutrient Reduction Reevaluation Summary Report. 1997
Chesapeake Bay program technical studies : a synthesis / 1982
Chesapeake Bay Restoration and Protection Plan. 1985
Chesapeake Bay total maximum daily load for nitrogen, phosphorus and sediment. 2010
Chesapeake Executive Council First Progress Report under the 1987 Chesapeake Bay Agreement. 1989
PREV 1 2 3 4 5 6 7 8 9 10 11 12 ... 30 NEXT

Save, Print or Email Selected Records