Showing 1 - 4 results of 4 for search '"United States Environmental Protection Agency"', query time: 0.04s Refine Results
  1. 1

    EPA journal /

    Published 1995
    Government Document Journal
  2. 2

    Statistical methods for analysis of lake water quality trends /

    Published 1993
    Book
  3. 3

    Bacterial water quality standards for recreational waters : freshwater and marine waters : status report /

    Published 1998
    Book
  4. 4

    Rapid bioassessment protocols for use in streams and rivers : benthic macroinvertebrates and fish /

    Published 1989
    Book