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Search Results for the EPA National Library Catalog
Items Found: 5037
Showing: Items 451 - 500
Your Search: (SUBJECT=Concentration Composition)
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Title
Year Published
451
Ambient water quality criteria for Trichloroethylenes /
1980
452
Ambient water quality criteria for vinyl chloride /
1980
453
Ambient water quality criteria for zinc /
1980
454
Ambient Water Quality Criteria: 2,3,7,8-Tetrachlorodibenzo-P-Dioxin.
1978
455
Ambient Water Quality Criteria: 2,4-Dichlorophenol.
1978
456
Ambient Water Quality Criteria: 2,4-Dimethyphenol.
1978
457
Ambient Water Quality Criteria: 2-Chlorophenol.
1978
458
Ambient Water Quality Criteria: Acrylonitrile.
1978
459
Ambient Water Quality Criteria: Arsenic.
1978
460
Ambient Water Quality Criteria: Benzene.
1978
461
Ambient Water Quality Criteria: Beryllium.
1978
462
Ambient Water Quality Criteria: Cadmium.
1978
463
Ambient Water Quality Criteria: Carbon Tetrachloride.
1978
464
Ambient Water Quality Criteria: Chlordane.
1978
465
Ambient Water Quality Criteria: Chlorinated Naphthalenes.
1978
466
Ambient Water Quality Criteria: Chloroform.
1978
467
Ambient Water Quality Criteria: DDT.
1978
468
Ambient Water Quality Criteria: Dichlorobenzenes.
1978
469
Ambient Water Quality Criteria: Dichloroethylenes.
1978
470
Ambient Water Quality Criteria: Fluoranthene.
1978
471
Ambient Water Quality Criteria: Heptachlor.
1978
472
Ambient Water Quality Criteria: Hexachlorobutadiene.
1978
473
Ambient Water Quality Criteria: Hexachlorocyclopentadiene.
1978
474
Ambient Water Quality Criteria: Lead.
1978
475
Ambient Water Quality Criteria: Nitrosamines.
1978
476
Ambient Water Quality Criteria: Pentachlorophenol.
1978
477
Ambient Water Quality Criteria: Selenium.
1978
478
Ambient Water Quality Criteria: Silver.
1978
479
Ambient Water Quality Criteria: Tetrachloroethylene.
1978
480
Ambient Water Quality Criteria: Thallium.
1978
481
Ambient Water Quality Criteria: Trichloroethylene.
1978
482
Ambient Water Quality Criteria: Vinyl Chloride.
1978
483
American combustion pyretron destruction system : applications analysis report.
1989
484
Ammonia /
1977
485
Ammonia investigations in the Colorado River, Grand Junction and Fruita, Colorado /
1979
486
Ammonia toxicity /
1976
487
Amoco-U.S. Environmental Protection Agency, Pollution Prevention Project, Yorktown, Virginia: Measurements of Hydrocarbon Emissions and Ambient Air Concentrations at the Amoco Yorktown Refinery. Air Quality Data. Volume 1.
1991
488
Amoco-U.S. Environmental Protection Agency, Pollution Prevention Project, Yorktown, Virginia: Surface Water Data.
1991
489
Amphibole Fiber Concentration Determination for a Series of Community Air Samples: Use of X-Ray Diffraction to Supplement Electron Microscope Analysis.
1978
490
An approach for determining levels of concern for unregulated toxic compounds from mobile sources /
1981
491
An approach for the preliminary assessment of TSP concentrations /
1978
492
An approach to water resources evaluation of non-point silvicultural sources : (a procedural handbook) /
1980
493
An assessment of atmospheric exposure and deposition to high elevation forests in the eastern United States /
1990
494
An assessment of mercury emissions from fossil fueled power plants /
1978
495
An assessment of ozone as a surrogate for other products of atmospheric photochemical reactions /
1983
496
An assessment of the CHESS sulfate and nitrate data during the period RETA performed the chemical analysis /
1977
497
An Electrostatic precipitator performance model /
1972
498
An empirical approach for relating annual TSP concentrations to particulate microinventory emissions data and monitor siting characteristics /
1979
499
An Evaluation of techniques for ocean disposal of soils containing naturally occurring radionuclides (FUSRAP wastes) /
1990
500
An Experimental investigation of PIC formation in CFC-12 incineration /
1993
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