Search Results for the EPA National Library Catalog

Items Found: 13
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Your Search: (AUTHOR=Hughes AND L AND E)


 
 
 
Select Item Title Year Published
A procedure for establishing traceability of gas mixtures to certain National Bureau of Standards standard reference materials / 1981
A synoptic approach to cumulative impact assessment : a proposed methodology / 1992
Archeological investigations at Great Basin National Par testing and site recording in support of the general management plan / 1995
Assessing the Use of Known Mutagens to Calibrate the 'Salmonella typhimurium' Mutagenicity Assay. 1. Without Exogenous Activation. 1991
Assessing the Use of Known Mutagens to Calibrate the 'Salmonella typhimurium' Mutagenicity Assay. 2. With Exogenous Activation. 1991
Impacts of synthetic liquid fuel development : automotive market, volume I, summary / 1976
Information Management Guidelines for the Wetlands Research Program. 1993
Interlaboratory Study of an EPA (Environmental Protection Agency)/Ames/Salmonella Test Protocol. 1987
Procedure for establishing traceability of gas mixtures to certain National Institute of Standards and Technology SRM's 1990
Quality assurance guidelines for environmental health research / 1981
Refinery catalytic cracker regenerator SOx control : steam stripper laboratory test / 1974
Sustainability and resource assessment : a case study of soil resources in the United States / 1998
Watershed manipulation project: quality assurance implementation plan for 1986-1989, {microfiche} / by Heather E. Erickson, Marilyn Morrison, Jeffrey Kern, Larry Hughes, James Malcolm and Kent Thornton. 1991

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