Search Results for the EPA National Library Catalog

Items Found: 3
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Your Search: (AUTHOR=Ryan AND John AND W)


 
 
 
Select Item Title Year Published
Estimate of the nonhealth benefits of meeting the Secondary National Ambient Air Quality Standards 1981
Mercury speciation and capture. / 2003
Summary data on substitutes for polychlorinated biphenyls (PCBs) 1981

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