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Search Results for the EPA National Library Catalog
Items Found: 1482
Showing: Items 451 - 500
Your Search: (SUBJECT=Phosphorus)
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Title
Year Published
451
Evaluation of the algal assay procedure /
1976
452
Evaluation of the RBC process for municipal wastewater treatment /
1978
453
Evaluation of the Technicon block digestor system for total kjeldahl nitrogen and total phosphorus /
1978
454
Evaluation of Wastewater Treatment Plants for BNR Retrofits Using Advances in Technology.
1999
455
Examination of the Reproductive Effects of Tricresyl Phosphate Administered to Long-Evans Rats.
1987
456
Exchange of nitrogen and phosphorus with sediment of the brackish water marshes of Lavaca Bay, Texas : thesis /
1975
457
Experimental Apparatus for Evaluating Kinetics of Available Phosphorus Release from Aquatic Particulates.
1982
458
Experimental Studies on Phytoplankton Succession in Cayuga Lake.
1973
459
Experiments and experiences in biomanipulation : studies of biological ways to reduce algal abundance and eliminate blue-greens /
1982
460
Exposure of Apple Thinners to Parathion Residues.
1974
461
Exposure of Fertilizer Mixing Plant Workers to Disulfoton.
1978
462
Exposure of Pesticide Formulating Plant Workers to Parathion.
1978
463
Exposure to Organic Phosphorus Sprays and Occurrence of Selected Symptoms.
1957
464
Exposure to Parathion, Effect on General Population and Asthmatics.
1964
465
Exposure to Parathion, Measurement by Blood Cholinesterase Level and Urinary p-Nitrophenol Excretion.
1961
466
Extension of multi-residue methodology /
1977
467
Facility Plan Addendum No. 2 - Final, Devils Lake, North Dakota
1988
468
Factors Affecting Nutrient Trends in Major Rivers of the Chesapeake Bay Watershed.
2000
469
Factors affecting phosphorus transport at a conventionally-farmed site in Lancaster County, Pennsylvania, 1992-95
1996
470
Factors Affecting the Efficiency of Some Estimators of Fluvial Total Phosphorus Load.
1988
471
Factors Regulating the Spatial and Temporal Distribution of 'Cladophora' and 'Ulothrix' in the Laurentian Great Lakes.
1983
472
Fate and effects of nitrogen and phosphorous in shallow vegetated aquatic ecosystems /
2006
473
Feasibility of overland flow for treatment of raw domestic wastewater /
1974
474
Feasibility of overland-flow treatment of feedlot runoff /
1974
475
Felton-Herron Creek, Mill Creek, Michigan; Summary Pilot Watershed Report.
1978
476
Ferric chloride and organic polyelectrolytes for the removal of phosphorus /
1974
477
Fertilizer and pesticide movement from citrus groves in Florida flatwood soils /
1977
478
Field and Laboratory Investigations to Evaluate the Influence of Nitrilotriacetic Acid (NTA) on Eutrophication.
1970
479
Field and Laboratory Toxicity Tests with Shrimp, Mysids, and Sheepshead Minnows Exposed to Fenthion.
1986
480
Field Disposal of Methyl Parathion Using Acidified Powered Zinc.
1981
481
Field Modelling in the Highland Silver Lake Watershed.
1984
482
Field study of nutrient control in a multicell lagoon /
1980
483
Field Study of the Safety of Abate for Treating Potable Water and Observations on the Effectiveness of a Control Programme Involving both Abate and Malathion.
1968
484
Fifth year review of Canada-United States Great Lakes water quality agreement /
1978
485
Final environmental impact statement : Bemidji wastewater treatment system, Beltrami County, Minnesota /
1981
486
Final Environmental Impact Statement: Patuxent Wastewater Treatment Facilities, Anne Arundel County, Maryland.
1983
487
Final guideline document : control of fluoride emissions from existing phosphate fertilizer plants.
1977
488
First annual reports of the EPA IFYGL projects /
1973
489
Five Year Program Strategy for Great Lakes National Program Office, 1986-1990.
1985
490
Flow phase distribution of nitrogen and phosphorus in the Potomac River system
1986
491
Fluidized Bed Clarification as Applied to Wastewater Treatment.
1972
492
Flushing Pattern of Certain Tidal Streams in Delaware.
1972
493
Formation and management of an expert toxicological review team for liternature search. evaluation and organization of currently available rapid toxicological tests. :
1978
494
Fort Hall Source Apportionment Study.
1999
495
Full-Scale Evaluation of Luxury Uptake for Phosphorus Removal.
1970
496
Full-scale operation of a single-stage nitrification-denitrification plant /
1977
497
Full-Scale Study of Sequencing Batch Reactors.
1983
498
Function of Marshes in Reducing Eutrophication of Estuaries of the Middle Atlantic Region.
1974
499
FWPCA methods for chemical analysis of water and wastes.
1969
500
Gas Chromatographic Method for the Determination of Low Concentrations of Abate in Water.
1968
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