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Search Results for the EPA National Library Catalog
Items Found: 1342
Showing: Items 601 - 650
Your Search: (SUBJECT=phosphates)
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Title
Year Published
601
Phosphate Removal from Waste Waters Using Lanthanum Precipitation.
1970
602
Phosphate removal from wastewaters using lanthanum precipitation /
1970
603
Phosphate Retention by Lake Sediments.
1973
604
Phosphate Study at the Baltimore Back River Waste-water Treatment Plant.
1970
605
Phosphates and phosphate substitutes in detergents. Hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-second Congress, first session.
1972
606
Phosphates and phosphate substitutes in detergents: Government action and public confusion; ninth report.
1972
607
Phosphates: a case study of a valuable, depleting mineral in America: report to the Congress [electronic resource]
1979
608
Phosphorous removal by an activated sludge plant /
1970
609
Phosphorus and Eutrophication in the Pamlico River Estuary, N. C., 1966-1969 - A Summary.
1972
610
Phosphorus chemistry in everyday living
1987
611
Phosphorus emissions from the incineration of chemical sludge
1976
612
Phosphorus Enrichment, Silica Utilization, and Biogeochemical Silica Depletion in the Great Lakes.
1986
613
Phosphorus removal : a bibliography.
1973
614
Phosphorus removal by ferrous iron and lime /
1971
615
Phosphorus Removal by Trickling Filter Slimes.
1973
616
Phosphorus Removal Using Chemical Coagulation and a Continuous Countercurrent Filtration Process.
1970
617
Phosphorus uptake and release by Lake Ontario sediments /
1975
618
Physical chemical and microbiological methods of solid waste testing : four additional procedures /
1974
619
Pickwick Lake, Colbert and Lauderdale Counties, Alabama. Tishomingo County, Mississippi. Harding County, Tennessee.
1976
620
Pigeon Lake, Steuben County, Indiana.
1976
621
Pilot Plant Experiences in Demineralization of Secondary Effluent Using Electrodialysis.
1966
622
Pine Lake, Waukesha County, Wisconsin. EPA Region V.
1975
623
Pinecliff Lake, Passaic County, New Jersey.
1976
624
Plankton Associations and Related Factors in a Hipereutrophic Lake.
1971
625
Plant Available Phosphorus Status of Lakes.
1971
626
Pleasant Hill Reservoir, Ashland and Richland Counties.
1975
627
Polluted groundwater: estimating the effects of man's activities. /
1974
628
Pollution aspects of catfish production : review and projections /
1974
629
Pollution Potential of Runoff From Production Livestock Feeding Operations in South Dakota.
1973
630
Pompton Lakes, Passaic County, New Jersey.
1976
631
Potential Effects of Polyphosphate Products on Lead Solubility in Plumbing Systems.
1991
632
Potentiation of Phosphorus Insecticides by Phenothiazine Derivatives: Possible Hazard, with Report of a Fatal Case.
1962
633
Powder Mill Pond, Hillsborough County, New Hampshire.
1974
634
Prairie Rose Lake, Shelby County, Iowa.
1976
635
Pre-Impoundment Biological Survey of Stockton Reservoir-Sac River, Missouri, August, 1968.
1969
636
Pre-Impoundment Water Quality Investigation for the Proposed Gathright Reservoir.
1973
637
Precipitation of Phosphates from Water with Ferrous Salts.
1971
638
Prediction of environmental quality in de-enriched stream systems /
1974
639
Preliminary Sampling and Analytical Procedures for Evaluating the Disposal of Dredged Materials.
1974
640
Proceedings : biostimulation - nutrient assessment workshop /
1975
641
Proceedings : First Symposium on Iron and Steel Pollution Abatement Technology (Chicago, IL, 10/30-11/1/79) /
1980
642
Production and Processing of Metals: Their Disposal and Future Risks.
1991
643
Progress at the Chesapeake Bay Program '92 and '93. Restoring the Chesapeake Bay, Annual Progress Report.
1993
644
Project final report on determination and evaluation of environmental levels of selected toxic substances to U.S. Environmental Protection Agency
1977
645
Proposed Issuance of a New Source National Pollutant Discharge Elimination System Permit to Mississippi Chemical Corporation, Hardee County Phosphate Mine, Hardee County, Florida.
1981
646
Pymatuning Reservoir, Crawford County, Pennsylvania and Ashtabula County, Ohio.
1975
647
Quantitative Analysis of Alkyl Phosphates Using Automated Cool On-Column Aqueous Injection.
1989
648
Rabbit Lake, Crow Wing County, Minnesota.
1975
649
Raccoon Lake, Marion County, Illinois.
1975
650
RACT determinations for five industry categories in Florida.
1980
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