Search Results for the EPA National Library Catalog

Items Found: 35
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Your Search: (AUTHOR=Mason AND William AND T)

Select Item Title Year Published
A comparison of Benthic macroinvertebrates collected by Dredge and Limestone substrate sampler / 1967
Accuracy in measurements and calibrations, 1965. 1965
Aerodynamic drag mechanisms of bluff bodies and road vehicles 1978
An introduction to the identification of chironomid larvae / 1973
An introduction to the identification of chironomid larvae / 1968
Collecting macroinvertebrates in a polluted stream using rock-filled samplers / 1967
Collecting Macroinvertebrates in a Polluted Stream Using Rock-Filled Samplers. 1967
Comparison of Benthic Macroinvertebrates Collected by Dredge and Limestone Substrate Sampler. 1967
Development of a portable device to collect sulfuric acid aerosol : final report / 1980
Development of a portable device to collect sulfuric acid aerosol : second interim report / 1978
Environmental problems : principles, readings, and comments 1979
Evaluation of Organic Contamination of Water by Reverse Osmosis Concentration System. 1982
Freshwater Potomac : aquatic communities and environmental stresses : proceedings of a symposium in January 1977, at College Park, Maryland / 1978
Influence of Sieve Mesh Size Selectivity on Benthic Invertebrate Indices of Eutrophication. 1975
Introduction to the Identification of Chironomid Larvae. 1968
Laboratory investigation of residual liquid organics from spills, leaks, and the disposal of hazardous wastes in groundwater / 1990
Living with the coast of Alaska 1997
Macroinvertebrate collections and water quality monitoring in the Ohio River basin, 1963-1967 / 1971
Macroinvertibrate Collections and Water Quality Monitoring in the Ohio River Basin, 1963 - 1967. 1971
Methods for the assessment and prediction of mineral mining impacts on aquatic communities : a review and analysis : workshop proceedings, December 6-7, 1977, Harpers Ferry, West Virginia / 1978
Portable, Hand-Operated Cycle Sieve For Washing Macroinvertebrate Samples. 1976
Potomac estuary biological resources trends and options. Proceedings of a symposium, Alexandria, Va., June 4-6, 1975 / 1976
Potomac River Basin Baseline Water Quality Monitoring Network 1974
Potomac River Basin Baseline Water Quality Monitoring Network 1977
Potomac River Basin water quality status and trend assessment, 1962-1973 1975
Potomac River basin water quality, 1974 1977
Procedure for describing fish and wildlife : coding instructions for Pennsylvania 1979
Recommendations for the National Surface Water Monitoring Program : report two / 1980
Research on fish and wildlife habitat / 1982
Selected microcomputer programs for water quality assessments : (experimental) / 1984
The use of limestone-filled samplers for collecting macroinvertebrates from large streams : water pollution surveillance system application and development report # 17 / 1966
The use of phloxine B and rose bengal stains to facilitate sorting benthos samples / 1966
Use of Limestone-Filled Samplers for Collecting Macroinvertebrates from Large Streams. 1966
Use of Phloxine B and Rose Bengal Stains to Facilitate Sorting Benthos Samples. 1966
Water-supply : (considered principally from a sanitary standpoint) / 1918

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