Showing 1 - 4 results of 4 for search 'Hoffman, Gerald L.', query time: 0.10s Refine Results
  1. 1
    Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : in-bottle acid digestion of whole-water samples.
    by Hoffman, Gerald L.
    Published 1996
    Government Document Book
  2. 2
    Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : preparation procedure for aquatic biological material determined for trace metals /
    by Hoffman, Gerald L.
    Published 1996
    Government Document Microform Book
  3. 3
    Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory--comparison of a nitric acid in-bottle digestion procedure to other whole-water digestion procedures /
    Get full text
    Government Document eBook
  4. 4
    Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory--comparison of a nitric acid in-bottle digestion procedure to other whole-water digestion procedures /
    by Garbarino, John R.
    Published 1999
    Other Authors: “...Hoffman, Gerald L....”
    Government Document Book
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