§ 52.823 PM10 State Implementation Plan Development in Group II Areas.  


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  • The Iowa Department of Natural Resources committed to comply with the PM10 regulations as set forth in 40 CFR part 51. In a letter to Morris Kay, EPA, dated October 28, 1988, Mr. Larry J. Wilson, Director, Iowa Department of Natural Resources, stated:

    [54 FR 33539, Aug. 15, 1989]

[54 FR 33539, Aug. 15, 1989