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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Massachusetts. Division of Water Pollution Control. Technical Services Branch.
    Publication info: Westborough, Mass, Technical Services Branch, Massachusetts Division of Water Pollution, Dept. of Environmental Quality Engineering, 1986-
    Holding Institution: UMass Amherst Libraries
  2. By: Duerring, Christine L. - Massachusetts. Division of Water Pollution Control. Technical Services Branch.
    Publication info: Westborough, Mass, Massachusetts Dept. of Environmental Protection, Division of Water Pollution Control, Technical Services Branch, 1990
    Holding Institution: UMass Amherst Libraries