Search results for: United States. Environmental Protection Agency. Office of Research and Development

Showing 241 - 260 results of 1,081 Refine Results
  1. 241

    Criteria for evaluation of proposed protozoan detection methods

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: 14 pages
    Government Document Microfilm Book
  2. 242

    Champion International Superfund Site, Libby, Montana : bioremediation field performance evaluation of the prepared bed land treatment system : volumes I and II.

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1996
    Physical Description: 1 volume (various pagings) : illustrations ; 28 cm
    Government Document Microfilm Book
  3. 243

    Always a river : supplemental environmental education curriculum on the Ohio River and water, grades K-12.

    Published: U.S. Environmental Protection Agency, 1991
    Physical Description: xxiv, 284 pages : illustrations, maps ; 28 cm
    Government Document Microfilm Book
  4. 244

    Small business innovation research phase I : program solicitation no. PR-NC-99-13350.

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: 47 pages : illustrations, Also available via Internet from the National Center for Environmental Research and Quality Assurance web site. Addresses as of 10/7/99: http://es.epa.gov/ncerqa/sbir/2000sbir.html (hypertext version); http://es.epa.gov/ncerqa/sbir/2000sbir.pdf (PDF version); current access is available via PURLs.
    Connect to: Hypertext version - All users (Federal Depository Library Program Persistant URL)
    Connect to: PDF version - All users (Federal Depository Library Program Persistant URL)
    Government Document Microfilm Book
  5. 245

    An ecological assessment of the Louisiana Tensas River basin

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: 123 pages : illustrations, maps ; 27 cm
    Government Document Microfilm Book
  6. 246

    Environmental technology verification statement.

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: 6 pages : illustrations, Also available via Internet from the EPA's Environmental Technology Verification web site (PDF file only). Address as of 5/11/00:http://permanent.access.gpo.gov/lps4494/smart_sonic_vstmnt.pdf. current access is available via PURL.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Microfilm Book
  7. 247

    Science algorithms of the EPA models-3 community multiscale air quality (CMAQ) modeling system

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: 1 volume (various pagings) : illustrations, maps
    Government Document Microfilm Book
  8. 248

    1999 bioremediation research program review.

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: ix, 54 pages : illustrations ; 28 cm
    Government Document Microfilm Book
  9. 249

    Environmental regulations and technology : control of pathogens and vector attraction in sewage sludge (including domestic septage) under 40 CFR part 503

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: viii, 177 pages : illustrations (some color) ; 28 cm
    Government Document Book
  10. 250

    A review of single species toxicity tests : are the tests reliable predictors of aquatic ecosystem community responses?

    Authors: De Vlaming, Victor
    Published: Office of Research and Development, U.S. Environmental Protection Agency, 1999
    Physical Description: xi, 54 pages : illustrations
    Government Document Microfilm Book
  11. 251

    National Environmental Laboratory Accreditation Conference : constitution, bylaws, and standards : approved July 1999.

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: 1 volume (various pagings) : illustrations
    Government Document Microfilm Book
  12. 252

    Assessing contaminant sensitivity of endangered and threatened species : toxicant classes

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: v, 15 pages ; 28 cm
    Government Document Microfilm Book
  13. 253

    A water quality model for a conjunctive surface-groundwater system

    Published: For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1974
    Physical Description: xii, 323 pages : illustrations ; 27 cm.
    Government Document Book
  14. 254

    Program guide - Office of Research and Development.

    Physical Description: 28 cm.
    Serial
  15. 255

    Strategy for research on environmental risks to children.

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 2000
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  16. 256

    The Metal Finishing Facility Risk Screening Tool (MFFRST) : technical documentation and user's guide.

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 2001
    Physical Description: 1 CD-ROM : color ; 4 3/4 in.
    Government Document Electronic Software eBook
  17. 257

    Biological investigations of Lake Wingra

    Authors: Baumann, Paul C.
    Published: [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1973
    Physical Description: x,118 pages : illustrations ; 27 cm.
    Government Document Book
  18. 258

    In situ enhanced source removal

    Authors: Wood, A. Lynn
    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Physical Description: 1 CD-ROM : sound, color ; 4 3/4 in.
    Government Document Software eBook
  19. 259

    Reliability-based uncertainty analysis of groundwater contaminant transport and remediation

    Authors: Hamed, Maged M.
    Published: U.S. Environmental Protection Agency, Office of Research and Development, 1999
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  20. 260

    Evaluation guidelines for ecological indicators

    Published: U.S. Environmental Protection Agency, Office of Research and Development, 2000
    Physical Description: 1 volume (various pagings) : illustrations ; 28 cm, Available via Internet from the EPA web site. Address as of 3/8/02: http://www.epa.gov/emap/html/pubs/docs/resdocs/ecolind.pdf; current access is available via PURL.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Book