Search Results for the EPA National Library Catalog

Items Found: 8

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Your Search: (AUTHOR=Williams. AND Stephen AND R.)

 
 
 

Select Item Title Year Published
Characterization of biological reference material : in vivo incorporated toxic metals in water hyacinth tissues / 1983
Comparisons of models predicting ambient lake phosphorus concentrations / by 1978
Distribution and importance of phytoplankton in the Atchafalaya Basin / 1978
Distribution of phytoplankton in South Carolina lakes / 1977
PCB residue levels in human adipose tissue : a statistical evaluation by racial grouping / 1980
Proposed implementation plan for the advanced field monitoring methods program / 1987
Relationships of productivity and problem conditions to ambient nutrients : National Eutrophication Survey findings for 418 Eastern lakes / 1978
Wetlands law and policy : understanding section 404 / 2005

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