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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 15, 1989 Time the State of Virginia could finalize a BACT determination for a new emission source 8.38

A BACT decision is not final or "locked-in" until the final permit is issued; until that time, a permit issuing agency is free to share a tentative preliminary BACT determination as soon as appropriate. An applicant does not need a final BACT decision to conduct modeling; modeling is based on the level of control recommended by the applicant. Decisions on technology transfer should be carefully scrutinized to ensure that "reasonable technology transfer" is defined broadly enough to prevent circumvention of use of certain controls by selection of some slightly different unit.

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