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  1. 21
    State source water assessment and protection programs guidance : final guidance.
    Published 1997
    Government Document Microform Book
  2. 22
    Brigham and Women's Hospital, Boston, Massachusetts /
    Published 1998
    Government Document Book
  3. 23
    Occurrence of nitrate and pesticides in ground water beneath three agricultural land-use settings in the eastern San Joaquin Valley, California, 1993-1995 /
    by Burow, Karen R.
    Published 1998
    Government Document Book
  4. 24
    Ground-water discharge and base-flow nitrate loads of nontidal streams, and their relation to a hydrogeomorphic classification of the Chesapeake Bay watershed, middle Atlantic coast /
    Published 1998
    Government Document Book
  5. 25
    NIST/NOAA NS&T/EPA EMAP intercomparison exercise program for organic contaminants in the marine environment : description and results of 1997 organic intercomparison exercises /
    by Parris, Reenie M.
    Published 1998
    Government Document Microform Book
  6. 26
    Quality assurance guidelines for environmental measurements /
    Published 1998
    Government Document Book
  7. 27
    Characterization of stormwater discharges from selected industrial parks in Puerto Rico, 1995-96 /
    by Rodríguez, José M.
    Published 1998
    Government Document Book
  8. 28
    Development of Venturi/Vortex Scrubber Technology for controlling chromium electroplating hazardous air emissions /
    by Hay, K. James
    Published 1998
    Government Document Microform Book
  9. 29
    Assessment of natural attenuation of contamination from three source areas in the east management unit, Dover Air Force Base, Kent County, Delaware /
    by Bachman, L. Joseph
    Published 1998
    Government Document Book
  10. 30
    Locating and estimating air emissions from sources of benzene.
    Published 1998
    Adobe Acrobat Reader required to view full document
    Government Document Microform Book
  11. 31
    Summary of U.S. Great Lakes beach closings 1981-1994 /
    by Jacobson, Wade
    Published 1997
    Government Document Microform Book
  12. 32
    Economic impact and regulatory flexibility analysis of the regulation of VOCs from consumer products : final report /
    by Murray, Brian C.
    Published 1996
    Government Document Microform Book
  13. 33
    Strontium distribution coefficients of surficial and sedimentary interbed samples from the Idaho National Engineering and Environmental Laboratory, Idaho /
    Published 1998
    Government Document Book
  14. 34
    Role of the EPA inspector in providing compliance assistance : final report.
    Published 1997
    Government Document Microform Book
  15. 35
    Quantification of episodic control programs.
    Published 1998
    Government Document Microform Book
  16. 36
    Latest findings on national air quality : 1997 status and trends.
    Published 1998
    Get full text
    Government Document Book
  17. 37
    Hydrogeology and subsurface nitrate in the Upper Big Blue Natural Resources District, central Nebraska, July 1995 through September 1997 /
    Government Document Book
  18. 38
    Hydrologic data from the study of acidic contamination in the Miami Wash-Pinal Creek area, Arizona, water years 1994-96 /
    by Konieczki, A. D.
    Published 1997
    Government Document Microform Book
  19. 39
    Selected ground-water-quality data for the water-resources investigation of Mellette and Todd Counties, South Dakota, 1990-96 /
    by Carter, Janet M.
    Published 1997
    Government Document Microform Book
  20. 40
    Physical, chemical, and biological data for detailed study of irrigation drainage in the San Juan River area, New Mexico, 1993-94, with supplemental data, 1991-95 /
    Published 1997
    Government Document Microform Book
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