Search Results for the EPA National Library Catalog

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Population dynamics of wild brown trout and associated sport fisheries in four central Wisconsin streams / 1981
Population dynamics of wild trout and associated sport fisheries in two northern Wisconsin streams 1983
Potential productivity of fresh water environments as determined by an algal bioassay technique 1970
Prairie, peak, and plateau : a guide to the geology of Colorado 1972
Pre-Cenozoic geology of the south half of the Auburn 15-minute quadrangle, California / 1972
Predicted transport of air pollutants from the Navajo and Kaiparowits Generating Stations into Lake Powell 1976
Present and future ground-water supply of the Baton Rouge area 1970
Preserving our freshwater wetlands 1970
Principles of geochemical prospecting 1957
Principles of inertial impaction; a survey of information applicable to an analysis of mist and dust collectors. 1956
Probable effects of SO 2 1978
Problems in the disposal of acid aluminum nitrate high-level radioactive waste solutions by injection into deep-lying permeable formations 1959
Proceedings Fibrous Dust Seminar, November 22, 1968, Mellon Institute of Carnegie-Mellon University. 1970
Proceedings of the ... Industrial Waste Conference. 1946
Proceedings of the Industrial Waste Conference. 1944
Properties and uses of Pennsylvania shales and clays / 1965
Properties of thermistors used in geothermal investigations and, Preparation of thermistor cables used in geothermal investigations / 1966
Provenance, dispersal, and depositional environments of Triassic sediments in the Newark-Gettysburg basin, 1966
Public and industrial ground-water supplies of the Roanoke- Salem district, Virginia. 1957
Public groundwater supplies in Calhoun County. 1975
Public standposts for developing countries. 1978
Public, leased, and condemned shellfish-growing areas in the Commonwealth of Virginia. 1980
Qualitative and quantitative aspects of crude oil composition, 1968
Quality of surface waters in Illinois, 1957
Radium, uranium and vanadium deposits of southwestern Colorado, 1921
Rainfall relations on small areas in Illinois, 0
Rapid assays for microbial degradation of 2-chlorophenol 1980
Rapid field and laboratory method for the determination of copper in soil and rocks 1955
Recent studies and experience with use of sludge and fly ash on farm crop and forest lands. 1985
Recent studies on the comparison of in-situ and laboratory sediment oxygen demand measurement techniques / 1986
Recommended standards for water works; policies for the review and approval of plans and specifications for public water supplies. 1968
Reconnaissance investigation of the ground water resources of the Canadian River Basin, Texas 1960
Reconnaissance of the ground-water resources of the Marathon area, Brewster County, Texas 1961
Records of wells and test borings in the Susquehanna River Basin, New York, 1972
Relation between the toxic action of chlorinated methanes and their chemical and physicochemical properties, 1949
Relationship between fine sediment and macroinvertebrate community characteristic a literature review and results from NCASI fine sediment studies / 1984
Removal of phosphorus from municipal sewage plant effluents, 1966
Research and regulatory programs related to southern forestry management practices and water quality protection 1984
Research on the effects of forest harvesting drainage, mechanical site preparation and prescribed fire on water quality. 1984
Reservoir sedimentation in Ohio. 1955
Respiratory response to sulfate aerosols. 1981
Response of corn to nitrogen fertilizer and the prediction of soil nitrogen availability with chemical tests in Pennsylvania 1983
Results of a cooperative field study of a downflow bubble contactor aerator and a conventional surface aerator. 1970
Results of spirit leveling in Ohio, 1911. 1912
Review of Illinois summer precipitation conditions 1980
Review of in-situ and laboratory SOD measurement comparisons. 1982
Review of laboratory and field procedures for evaluating the behavior of landfill leachate constituents 1983
Review of procedures for conducting conservative tracer studies in the hydraulic characterization of effluent treatment basins 1983
Review of the literature on pulp and paper effluent management. 0
Review of the Mathematical water quality model WRECEV and guidance for its use. 1985
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