Search Results for the EPA National Library Catalog

Items Found: 1484
Showing: Items 1151 - 1200
Your Search: (SUBJECT=Phosphorus)


 
 
 
PREV 1 ... 19 20 21 22 23 24 25 26 27 28 29 30 NEXT
Select Item Title Year Published
Sampling strategies for estimating the magnitude and importance of internal phosphorus supplies in lakes / 1981
Sampling strategies for water quality in the Great Lakes / 1980
San Joaquin Master Drain. Effects on Water Quality of San Francisco Bay and Delta. Appendix Part C. Nutrients and Biological Response. 1968
Scofield Reservoir Restoration Through Phosphorus Control 1992
Seasonal Variation of Potential Nutrient Limitation to Chlorophyll Production in Southern Lake Huron. 1981
Sediment Geochemistry of Flathead Lake, Montana 1982
Sediment removal as a lake restoration technique / 1981
Selected irrigation return flow quality abstracts 1968-1969 : first annual issue / 1972
Selected irrigation return flow quality abstracts 1972-1973, third annual issue / 1974
Selective Nutrient Removal from Secondary Effluent. 1973
Selective Withdrawal at Lake Livingston. 1972
Seminar on phosphorous removal May 1-2, 1968 : Waldorf room, Conrad Hilton Hotel Chicago, Illinois. 1986
Seminar on Water Quality Management Trade-offs : (point source vs. diffuse source pollution), conference held at Pick Congress Hotel ... Chicago, Illinois, September 16-17, 1980 / 1980
Sensitivity Analysis of a Phosphorus Removal Strategy Computer Model. 1968
Separation and Detection of a Benzo(a)pyrene Deoxyguanosy-5-monophosphate Adduct by Capillary Zone Electrophoresis. 1990
Septic tank disposal systems as phosphorus sources for surface waters / 1977
Sequential nitrification-denitrification in a plug flow activated sludge system / 1979
Setting and Allocating the Chesapeake Bay Basin Nutrient and Sediment Loads: The Collaborative Process, Technical Tools and Innoavtive Approaches. 2003
Sewage Disposal on Agricultural Soils: Chemical and Microbiological Implications. Volume I. Chemical Implications. 1978
Shagawa Lake Project. Lake Restoration by Nutrient Removal from Wastewater Effluent. 1973
Short Communication: Improved Thin-Layer Chromatographic Separation of 32P-Postlabeled DNA Adducts. 1993
Significance of Regional Lake Quality Patterns to Management/Restoration of Specific Lakes. 1995
Simulation of nutrient loadings in surface runoff with the NPS model / 1977
Simulation of recent and projected total phosphorus trends in Lake Ontario / 1979
Simulation of recent and projected total phosphorus trends in Lake Ontario / 1979
Simultaneous and automated determination of total phosphorus and total Kjeldahl nitrogen / 1974
Single Stage High pH Lime Clarification and Carbon Treatment of Municipal Wastewater. 1971
Sludge production as a result of phosphorus removal / 1979
Sodium phosphinate made from phosphorus sludge 1982
Sodium Phosphinate Made from Phosphorus Sludge. Compendium of Low- and Non-Waste Technology (Addendum). 1982
Soil Fumigation within Monoculture and Rotations: Response of Response of Corn and Mycorrhizae. 1994
Some Important Inorganic Nitrogen and Phosphorus Species in Georgia Salt Marsh. 1972
Some Problems Related to Cleanup of Parathion-Contaminated Surfaces Following Spillage. 1976
Source apportionment of nitrogen and phosphorus inputs into the aquatic environment 2005
Source assessment : defoliation of cotton, state of the art / 1977
Source assessment : fertilizer mixing plants / 1976
Source assessment : pesticide manufacturing air emissions, overview and prioritization / 1978
Source category survey : thermal process phosphoric acid manufacturing industry / 1980
Source Test and Evaluation Report: Cane Run Unit No. 6, Louisville Gas and Electric Co. 1981
Sources and concentrations of phosphorus in the Cheney Reservoir Watershed, south-central Kansas 2002
Sources and sinks of nitrogen and phosphorus : water quality management of Lake George (N.Y.) / 1972
Sources and transport of phosphorus and nitrogen during low-flow conditions in the Tualatin River, Oregon, 1991-93 1999
Sources of nitrogen and phosphorus in the Lake George drainage basin: a double lake / 1973
Sources, Transport, and Trends for Selected Trace Metals and Nutrients in the Coeur d'Alene and Spokane River Basins, Northern Idaho, 1990-2013. 2014
Species Susceptibility to Delayed Toxic Neuropathy in Relation to In vivo Inhibition of Neurotoxic Esterase by Neurotoxic Organophosphorus Esters. 1981
State of Michigan phosphorus reduction strategy for the Michigan portion of Lake Erie and Saginaw Bay : summary / 1985
State of Michigan phosphorus reduction strategy for the Michigan portion of Lake Erie and Saginaw Bay : technical supplement / 1985
State of the art : swine waste production and pretreatment processes / 1976
State of the Chesapeake Bay : third biennial monitoring report, 1989 / 1990
Statements to the International Joint Commission presented at public hearings on phosphorus management strategies in the Great Lakes Basin 1980
PREV 1 ... 19 20 21 22 23 24 25 26 27 28 29 30 NEXT

Save, Print or Email Selected Records