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Search Results for the EPA National Library Catalog
Items Found: 5697
Showing: Items 551 - 600
Your Search: (SUBJECT=Concentration)
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Title
Year Published
551
Amoco-U.S. Environmental Protection Agency Pollution Prevention Project, Yorktown Virginia. Risk Reduction Benefits of Pollution Prevention Options.
1993
552
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
553
Amoco-U.S. Environmental Protection Agency, Pollution Prevention Project, Yorktown, Virginia: Surface Water Data.
1991
554
Amphibian toxicity data for water quality criteria chemicals /
1996
555
Amphibian toxicity data for water quality criteria chemicals /
1996
556
Amphibole Fiber Concentration Determination for a Series of Community Air Samples: Use of X-Ray Diffraction to Supplement Electron Microscope Analysis.
1978
557
An Airborne radioactive effluent study at the Savannah River Plant.
1984
558
An approach for determining levels of concern for unregulated toxic compounds from mobile sources /
1981
559
An approach for the preliminary assessment of TSP concentrations /
1978
560
An approach to water resources evaluation of non-point silvicultural sources : (a procedural handbook) /
1980
561
An assessment of atmospheric exposure and deposition to high elevation forests in the eastern United States /
1990
562
An assessment of mercury emissions from fossil fueled power plants /
1978
563
An assessment of ozone as a surrogate for other products of atmospheric photochemical reactions /
1983
564
An assessment of sediments from the Upper Mississippi River : final report - June 1997.
1997
565
An assessment of the CHESS sulfate and nitrate data during the period RETA performed the chemical analysis /
1977
566
An Electrostatic precipitator performance model /
1972
567
An empirical approach for relating annual TSP concentrations to particulate microinventory emissions data and monitor siting characteristics /
1979
568
An Evaluation of techniques for ocean disposal of soils containing naturally occurring radionuclides (FUSRAP wastes) /
1990
569
An Experimental investigation of PIC formation in CFC-12 incineration /
1993
570
An Implementation plan for suspended particulate matter in the Phoenix area /
1977
571
An Introduction to ground-water tracers /
1985
572
An Introduction to ground-water tracers /
1985
573
An investigation of the nearshore region of Lake Ontario IFYGL.
1976
574
An SAB report : environmental radiation ambient monitoring system (ERAMS) II.prepared by the Radiation Advisory Committee of the Science Advisory Board.
1998
575
An SAB report : review of sediment criteria development methodology for non-ionic organic contaminants /
1992
576
An SAB report : review of the health risks from low-level environmental exposures to radionuclides (FGR-13 report) /
1998
577
An SAB report : review of the source ranking database /
1998
578
An SAB report : technical review of the proposed TSCA section 403 regulation (identification of dangerous levels of lead) /
1998
579
An SAB report national survey for radon in schools. [electronic resource] :
1992
580
An SAB report radionuclides in drinking water. [electronic resource] :
1991
581
An update on the use of particulate ratios to assess likely PM
10
attainment status /
1984
582
Anaerobic Treatment of a Simulated High-Strength Industrial Wastewater Containing Chlorophenols.
1994
583
Analyses of Volatile C2 Haloethanes and Haloethenes in Tissues: Sample Preparation and Extraction.
1993
584
Analysis for mercury in water : a preliminary study of methods /
1972
585
Analysis for polybrominated biphenyls (PBBs) in environmental samples [microform] /
1979
586
Analysis for Polychlorinated Dibenzo-p-Dioxins (PCDD) and Dibenzofurans (PCDF) in Human Adipose Tissue: Method Evaluation Study.
1986
587
Analysis for radionuclides in SRC and coal combustion samples /
1978
588
Analysis of a Land Disposal Damage Incident Involving Hazardous Waste Materials. Dover Township, New Jersey.
1976
589
Analysis of acid precipitation samples collected by state agencies : sampling period January-December 1990 (annual report) /
1992
590
Analysis of acid precipitation samples collected by state agencies, 1988 /
1990
591
Analysis of acid precipitation samples collected by state agencies--sampling period January 1991-December 1991 : annual report /
1996
592
Analysis of acid precipitation samples collected by state agencies--sampling period January 1992-December 1992 /
1995
593
Analysis of Acid Precipitation Samples Collected by State Agencies. Sampling Period: January-December 1993.
1996
594
Analysis of Acid Precipitation Samples Collected by State Agencies: January-December 1987.
1989
595
Analysis of Alkyl Phosphates by Extractive Alkylation.
1981
596
Analysis of atmospheric organic aerosols by mass spectroscopy /
1976
597
Analysis of chlorinated organic compounds formed during chlorination of wastewater products /
1982
598
Analysis of Complex 1 and Complex 2 - Candidate Screening Models.
1983
599
Analysis of control strategies and compliance schedules for wood particle and fiber dryers /
1976
600
Analysis of Crop Loss for Alternative Ozone Exposure Indices.
1988
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