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Chemistry 11 Online
OpenStudy (samad261097):

Harbor sediments in the New Bedford, Massachusetts, area contain PCBs at levels up to 190,000 ppm, according to a report prepared by Grant Weaver of the Massachusetts Coastal Zone Management Office [Environ. Sci. Technol., 16, No. 9, 491A (1982)]. What is the concentration of PCBs in percent? Does this seem reasonable?

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