Showing 1 - 2 results of 2 for search 'Leidel, Nelson A.', query time: 0.11s Refine Results
  1. 1
    Exposure measurement action level and occupational environmental variability /
    Government Document Book
  2. 2
    USPHS/NIOSH membrane filter method for evaluating airborne asbestos fibers /
    Published 1979
    Other Authors: “...Leidel, Nelson A....”
    Government Document Book
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