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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.

March 20, 1978 PSD Determination Cabot Corporation - Fuel Conversion 4.2

Under PSD regulations proposed November 3, 1977 a fuel conversion may or may not be considered a "major modification" and thus subject to PSD review. It is subject to PSD if: the source was capable, prior to 1/6/75, of burning the alternative fuel without requiring modifications, or the design for the source showed a clear indication of the intent to switch fuels, or the source obtained, prior to 3/1/78, all final preconstruction permits required by the applicable SIP and began physical on-sit construction prior to 9 months after the date of promulgation of the final PSD regulations.

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