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Note: EPA no longer updates this information, but it may be useful as a reference or resource.

Please see www.epa.gov/nsr/ for the latest information on EPA's New Source Review program.

June 18, 1986 Exemption of Dimethyl Acetamide (DMAC) from Regulation Under Prevention of Significant Deterioration (PSD) Review. 5.22

Letter reiterates policy on exempt solvents explained in a July 31, 1981, letter from Thomas W. Devine, and contained at 2.18 in this document. Dimethyl acetamide is not exempt from PSD review.

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