Search Results for the EPA National Library Catalog

Items Found: 9
Showing: Items 1 - 9
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 Kansas lakes / 1979
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

Save, Print or Email Selected Records