Search Results for the EPA National Library Catalog

Items Found: 5697
Showing: Items 5151 - 5200
Your Search: (SUBJECT=Concentration)


 
 
 
Select Item Title Year Published
The 1974 ozone episode in the Baltimore-to-Richmond corridor / 1978
The acidic deposition phenomenon and its effects : critical assessment document / 1985
The acidic deposition phenomenon and its effects : critical assessment review papers / 1984
The ambient air precision and accuracy program : 1995 annual report / 1997
The ambient air precision and accuracy program : 1996 annual report. 1998
The analysis of suspended particulates and sulfates : a way to begin / 1979
The bioenvironmental impact of a coal-fired power plant. Colstrip, Montana, December 1977 / Third interim report : 1978
The biosphere as a possible sink for carbon monoxide emitted to the atmosphere : final report / 1970
The Control of nitrate as a water pollutant / 1977
The coupled trickling filter-activated sludge process : design and performance / 1978
The Determination of carbamate and urea pesticides in industrial and municipal wastewater : [test] method 632 / 1982
The Determination of mercaptobenzothiazole in industrial and municipal wastewaters / 1985
The determination of pH by flow injection analysis and by fiber optrode analysis / 1988
The determination of pH by flow injection analysis and by fiber optrode analysis / 1988
The development of mathematical models for the prediction of anthropogenic visibility impairment / 1978
The Eastern Environmental Radiation Facility's participation in interlaboratory and intralaboratory comparisons of environmental sample analyses : 1979 and 1980 / 1982
The economic effects of ozone on agriculture / 1984
The Effect of nitrilotriacetic acid (NTA) on the structure and functioning of aquatic communities in streams / 1980
The effect of saline seep on the biota of five reservoirs in Montana / 1977
The effects of a squat building on short stack effluents : a wind tunnel study / 1980
The Effects of decreased nutrient loading on the limnology of Diamond Lake, Oregon / 1979
The effects of home ventilation systems on indoor radon-radon daughter levels / 1978
The effects of well casing material on ground water-quality / 1991
The ENAMAP-2 air pollution model for long-range transport of sulfur and nitrogen compounds / 1983
The environmental fate of selected polynuclear aromatic hydrocarbons / 1976
The environmental lead problem : an assessment of lead in drinking water from a multi-media perspective / 1979
The environmental lead problem : an assessment of lead in drinking water from a multi-media perspective / 1979
The establishment of design criteria for optimum burners for application to heavy fuel fired package boilers Volume 1. Laboratory scale tests / 1986
The establishment of design criteria for optimum burners for application to heavy fuel fired package boilers Volume 2. pilot scale tests / 1986
The Fate and effects of crude oil spilled on subarctic permafrost terrain in interior Alaska / 1980
The General Motors/Environmental Protection Agency sulfate dispersion experiment : selected EPA research papers / 1976
The GEOMET indoor-outdoor air pollution model / 1978
The health and environmental impacts of lead and an assessment of a need for limitations / 1979
The impact of inorganic phosphates in the environment : final report / 1978
The incidence and severity of sediment contamination in surface waters of the United States / 1997
The incidence and severity of sediment contamination in surface waters of the United States / 2004
The incidence and severity of sediment contamination in surface waters of the United States. Volume 1, National sediment quality survey. 1997
The incidence and severity of sediment contamination in surface waters of the United States. Volume 2, Data summaries for areas of probable concern. 1997
The incidence and severity of sediment contamination in surface waters of the United States. Volume 3, National sediment contaminant point source inventory. 1997
The Influence of land use on stream nutrient levels / 1976
The limnology and biota of mine spoils ponds in northwest Colorado / 1979
The Local Influence of Hurricanes on Stratospheric Aerosols. 1974
The measurement of carcinogenic vapors in ambient atmospheres / 1977
The measurement of carcinogenic vapors in ambient atmospheres / 1978
The multielemental analysis of drinking water using proton-induced x-ray emission (PIXE) / 1978
The NAAQS exposure model (NEM) applied to carbon monoxide / 1983
The NAAQS exposure model (NEM) applied to carbon monoxide : addendum / 1985
The national air pollution background network final project report / 1985
The national sediment quality survey : a report to Congress on the extent and severity of sediment contamination in surface waters of the United States : draft. 1996
The nutrition of Great Lakes Cladophora / 1976

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