Showing 121 - 140 results of 208 for search '', query time: 0.15s Refine Results
  1. 121
    Escherichia coli and fecal-coliform bacteria as indicators of recreational water quality /
    by Francy, Donna S.
    Published 1993
    Government Document Book
  2. 122
    Water-quality data for the Boise River, Boise to Star, Idaho, October to December 1987 /
    by Frenzel, S. A.
    Published 1988
    Government Document Microform Book
  3. 123
    Water-quality data for the Boise River, Boise to Star, Idaho, January to March 1988 /
    by Frenzel, S. A.
    Published 1988
    Government Document Microform Book
  4. 124
    Biological monitoring of aquatic systems /
    Published 1994
    Book
  5. 125
    Toxicity assessment of water and sediment elutriates from fixed-station ambient water quality network stations 1986, 1987, 1988, and 1989 /
    by Moses, Jennifer
    Published 1991
    Government Document Microform Book
  6. 126
    Reservoir vital signs monitoring - 1990 : benthic macroninvertebrate community results /
    by Jenkison, John J.
    Published 1991
    Government Document Microform Book
  7. 127
    Reservoir vital signs monitoring - 1991 : benthic macroninvertebrate community results /
    by Masters, Anita E.
    Published 1992
    Government Document Microform Book
  8. 128
    Biomonitoring of trace aquatic contaminants /
    by Phillips, David J. H.
    Published 1993
    Book
  9. 129
    Short-term methods for estimating the chronic toxicity of effluents and receiving waters to freshwater organisms /
    Published 1989
    Government Document Book
  10. 130
    Fish field and laboratory methods for evaluating the biological integrity of surface waters /
    by Klemm, Donald J.
    Published 1993
    Government Document Microform Book
  11. 131
    Bacterial survey of Nimrod Lake, Arkansas, spring and summer 1992 /
    Published 1993
    Government Document Microform Map
  12. 132
    Freshwater field tests for hazard assessment of chemicals /
    Published 1994
    Book
  13. 133
    Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : determination of selected carbamate pesticides in water by high-performance liquid chromatography /
    by Werner, Stephen L.
    Published 1994
    Government Document Microform Book
  14. 134
    Biomonitoring study of a constructed wetland site treating acid mine drainage /
    by Ramey, Barbara A.
    Published 1992
    Book
  15. 135
    Use of aquatic invertebrates as tools for monitoring of environmental hazards : symposium 2./3. November 1993 /
    Published 1994
    Book
  16. 136
    Techniques in aquatic toxicology /
    Published 1996
    Book
  17. 137
    Magnitude and extent of sediment toxicity in Hudson-Raritan estuary.
    Published 1995
    Government Document Microform Book
  18. 138
    Short-term methods for estimating the chronic toxicity of effluents and receiving waters to west coast marine and estuarine organisms.
    Published 1995
    Government Document Microform Book
  19. 139
    Quality Assurance Project intercomparison exercise results, 1991- 1993.
    by Cantillo, Adriana Y.
    Published 1995
    Government Document Microform Book
  20. 140
    Water-quality assessment of South-Central Texas : occurrence and distribution of volatile organic compounds in surface water and ground water, 1983-94, and implications for furture monitoring.
    by Ging, Patricia B.
    Published 1997
    Government Document Book
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