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Search Results for the EPA National Library Catalog
Items Found: 5922
Showing: Items 51 - 100
Your Search: (SUBJECT=Composition)
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Title
Year Published
51
A method for the sampling and analysis of polychlorinated biphenyls (PCBs) in ambient air /
1978
52
A method for the sampling and analysis of polychlorinated biphenyls (PCBs) in ambient air /
1978
53
A methodology for treating large localized emissions of reactive pollutants /
1974
54
A paleolimnological comparison of Burntside and Shagawa Lakes, Northeastern Minnesota /
1978
55
A pilot study of drinking water systems at Bureau of Reclamation developments.
1973
56
A pilot study on dispersion near roadways /
1978
57
A pre-impoundment water quality investigation for the proposed Trexler Lake /
1973
58
A preliminary radiological assessment of radon exhalation from phosphate gypsum piles and inactive uranium mill tailings piles /
1979
59
A problem with flux chamber measurements of biogenic sulfur emissions /
1979
60
A procedure for establishing traceability of gas mixtures to certain National Bureau of Standards standard reference materials /
1981
61
A prolonged, large scale, off-season photochemical oxidant episode /
1978
62
A Prototype gas analysis system using a miniature gas chromatograph /
1981
63
A radiological environs study at a fuel fabrication facility /
1978
64
A rapid assessment of the toxicity of three chlorinated cyclodiene insecticide intermediates to fathead minnows /
1977
65
A real-time measuring device for dense paritculate systems /
1977
66
A regional characterization of air quality and deposition in the coniferous forest of the western United States. [microfiche]/ by Margi Bohm.
1990
67
A regional scale (1000 km) model of photochemical air pollution. part 1, Theoretical formulation /
1983
68
A regional-scale (1000 km) model of photochemical air pollution. Part 2, Input processor network design /
1984
69
A regional-scale (1000 km) model of photochemical air pollution. Part 3, Tests of the numerical algorithms /
1985
70
A report on the lead reference materials workshop : Washington, D.C., May 13-14, 1991 /
1991
71
A research plan to study emissions from small internal combustion engines /
1980
72
A review of standards of performance for new stationary sources : secondary lead smelters /
1979
73
A screening procedure for the impacts of air pollution sources on plants, soils, and animals /
1980
74
A sensitivity analysis and preliminary evaluation of RELMAP involving fine and coarse particulate matter /
1987
75
A spectroscopic study of California smog /
1975
76
A statistical analysis of the projected performance of multi-unit reactor sites /
1976
77
A study of exhaust emissions from 1975-1979 model year passenger cars in Los Angeles /
1979
78
A study of indoor air quality /
1974
79
A study of industrial data on candidate chemicals for testing : Research report no. 1 /
1977
80
A study of industrial data on candidate chemicals for testing : research request no. 3/ SRI International ; prepared for United States, Environmental Protection Agency, Office of Toxic Substances ; Project Officer: James Darr.
1978
81
A study of new catalytic agents to determine chemical oxygen demand /
1977
82
A study of precision and accuracy of laboratories and methods of analysis of ammonia nitrogen in Lake Michigan waters /
1967
83
A study of radon and airborne particulates at phosphogypsum stacks in central Florida /
1988
84
A study of winter air pollutants at Fairbanks, Alaska /
1979
85
A summary of oil shale activities at the National Bureau of Standards, 1975-1979 /
1980
86
A summary of the 1985 EPA national performance audit program on source measurements /
1987
87
A summary of the 1986 EPA national performance audit program on source measurements /
1988
88
A summary of the emissions characterization and noncancer respiratory effects of wood smoke /
1993
89
A summary of the interlaboratory source performance surveys for EPA Reference Methods 5, 6 and 7, 1978 /
1980
90
A summary of the interlaboratory source performance surveys for EPA Reference Methods 6 and 7, 1977 /
1979
91
A surrogate species chemical reaction mechanism for urban-scale air quality simulation models /
1987
92
A survey of air and population lead levels in selected American communities : final report /
1972
93
A survey of pathogen survival during municipal solid waste and manure treatment processes /
1980
94
A survey on research needs on personal samplers for toxic organic compounds /
1980
95
A time-dependent, two-dimensional model for predicting the distribution of drilling muds discharged to shallow water /
1984
96
A Toxicity evaluation of lower Fox River water and sediments /
1986
97
A user's guide for WASTOX, a framework for modeling the fate of toxic chemicals in aquatic environments /
1984
98
A washability and analytical evaluation of potential pollution from trace elements in coal : prepared for Environmental Protection Agency, Office of Research and Development /
1978
99
Abatement of Nitrogen Oxides Emissions from Stationary Sources.
1972
100
Abiological methylation of mercury in soil /
1977
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