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Search Results for the EPA National Library Catalog
Items Found: 5697
Showing: Items 51 - 100
Your Search: (SUBJECT=Concentration)
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Title
Year Published
51
A case study in the use of ambient data for source assessment /
1980
52
A chemical contaminant mass balance framework for Chesapeake Bay /
1997
53
A citizen's guide to radon : the guide to protecting yourself and your family from radon.
2002
54
A citizen's guide to soil washing.
1992
55
A Citizen's guide to solvent extraction.
1992
56
A comparative evaluation of GC/MS data analysis processing /
1984
57
A continuous flow system using fish and amphibian eggs for bioassay determinations on embryonic mortality and teratogenesis /
1977
58
A cryogenic preconcentration : direct FID (PDFID) method for measurement of NMOC in ambient air /
1986
59
A field study to compare performance of stainless steel research monitoring wells with existing on-farm drinking water wells in measuring pesticide and nitrate concentrations /
1998
60
A Fortran program for computing the pollutant standards index (PSI) /
1978
61
A guide for determining compliance with the Clean Air Act standards for radionuclide emissions from NRC-licensed and non-DOE federal facilities.
1989
62
A guide to delisting of RCRA wastes for Superfund remedial responses.
1990
63
A guide to the use of factor analysis and multiple regression (FA/MR) techniques in source apportionment /
1985
64
A Guideline for graphic arts calculations.
1988
65
A handbook on treatment of hazardous waste leachate /
1987
66
A histological and ultrastructural study of the effects of low pH and aluminum upon the gills of the Atlantic salmon /
1988
67
A Lagrangian photochemical air quality simulation model : adaptation to the St. Louis - RAPS data base, volume I, model formation /
1979
68
A Lagrangian photochemical air quality simulation model : adaptation to the St. Louis - RAPS data base, volume II, user's manual /
1979
69
A lead emission factor for reentrained dust from a paved roadway /
1978
70
A lidar polarimeter technique of measuring suspended solids in water /
1981
71
A method for the sampling and analysis of polychlorinated biphenyls (PCBs) in ambient air /
1978
72
A method for the sampling and analysis of polychlorinated biphenyls (PCBs) in ambient air /
1978
73
A methodology for treating large localized emissions of reactive pollutants /
1974
74
A paleolimnological comparison of Burntside and Shagawa Lakes, Northeastern Minnesota /
1978
75
A pilot study of drinking water systems at Bureau of Reclamation developments.
1973
76
A pilot study on dispersion near roadways /
1978
77
A pre-impoundment water quality investigation for the proposed Trexler Lake /
1973
78
A preliminary radiological assessment of radon exhalation from phosphate gypsum piles and inactive uranium mill tailings piles /
1979
79
A Probabilistic methodology for analyzing water quality effects of urban runoff on rivers and streams : final report.
1989
80
A problem with flux chamber measurements of biogenic sulfur emissions /
1979
81
A procedure for establishing traceability of gas mixtures to certain National Bureau of Standards standard reference materials /
1981
82
A prolonged, large scale, off-season photochemical oxidant episode /
1978
83
A Prototype gas analysis system using a miniature gas chromatograph /
1981
84
A radiological environs study at a fuel fabrication facility /
1978
85
A rapid assessment of the toxicity of three chlorinated cyclodiene insecticide intermediates to fathead minnows /
1977
86
A real-time measuring device for dense paritculate systems /
1977
87
A regional characterization of air quality and deposition in the coniferous forest of the western United States. [microfiche]/ by Margi Bohm.
1990
88
A regional scale (1000 km) model of photochemical air pollution. part 1, Theoretical formulation /
1983
89
A regional-scale (1000 km) model of photochemical air pollution. Part 2, Input processor network design /
1984
90
A regional-scale (1000 km) model of photochemical air pollution. Part 3, Tests of the numerical algorithms /
1985
91
A report on the lead reference materials workshop : Washington, D.C., May 13-14, 1991 /
1991
92
A research plan to study emissions from small internal combustion engines /
1980
93
A review of single species toxicity tests : are the tests reliable predictors of aquatic ecosystem community responses? /
1999
94
A review of standards of performance for new stationary sources : secondary lead smelters /
1979
95
A review of the reference dose and reference concentration processes /
2002
96
A screening procedure for the impacts of air pollution sources on plants, soils, and animals /
1980
97
A sensitivity analysis and preliminary evaluation of RELMAP involving fine and coarse particulate matter /
1987
98
A statistical analysis of the projected performance of multi-unit reactor sites /
1976
99
A study of exhaust emissions from 1975-1979 model year passenger cars in Los Angeles /
1979
100
A study of exhaust emissions from 1978-1980 model year three way catalyst vehicles in Los Angeles [microform].
1980
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