Search Results for the EPA National Library Catalog

Items Found: 4
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Your Search: (AUTHOR=Northrop AND R AND L)


 
 
 
Select Item Title Year Published
Health effects of sewage aerosols : additional serological surveys and search for legionella pneumophila in sewage / 1981
Microbial Sampling Variables and Recreational Water Quality Standards. 1981
Recreational water quality and health / 1981
Recreational Water Quality and Health. 1981

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