Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Ryan AND Michael AND J)


 
 
 
Select Item Title Year Published
Batch-feeding studies on high-solids activated sludge for treating concentrated human waste 1968
Estimating critical loads of sulfate to surface waters in the Northeastern United States : a comparative assessment of three procedures for estimating critical loads of sulfate for lakes / 1993
Summary data on substitutes for polychlorinated biphenyls (PCBs) 1981

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