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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Chesher, Richard H. - United States. Environmental Protection Agency. Office of Research and Monitoring.
    Publication info: [Washington, U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1971
    Holding Institution: MBLWHOI Library
  2. By: Gerloff, Gerald C. - Glass, Gary E. - United States. Environmental Protection Agency. Office of Research and Monitoring.
    Publication info: Washington, For sale by the Supt. of Docs., United States Govt. Print. Off, 1973
    Holding Institution: MBLWHOI Library