Search Results for the EPA National Library Catalog

Items Found: 5
Showing: Items 1 - 5
Your Search: (SUBJECT=Biological methods)

Select Item Title Year Published
Comparisons of boating and wading methods used to assess the status of flowing waters / 2001
Guidelines for Conducting Single Laboratory Evaluations of Biological Methods. 1983
Laboratory manual on preservation freezing and freeze-drying, as applied to algae, bacteria, fungi, and protozoa / 1980
Logistics of ecological sampling on large rivers / 2001
Microbial and viral pesticides / 1982

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