§ 52.63 PM10 State Implementation Plan development in group II areas.  

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  • On March 15, 1989, the State submitted a committal SIP for the cities of Leeds and North Birmingham in Jefferson County. The committal SIP contains all the requirements identified in the July 1, 1987, promulgation of the SIP requirements for PM10at 52 FR 24681. The SIP commits the State to submit an emissions inventory, continue to monitor for PM10, report data and to submit a full SIP if a violation of the PM10and National Ambient Air Quality Standards is detected.

    [56 FR 32514, July 17, 1991]