§52.823. PM 10 State Implementation Plan Development in Group II Areas.
40 C.F.R. § 52.823
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:
Notes, amendments, and revision history
Amendments
[54 FR 33539, Aug. 15, 1989]
Authority
Authority: 42 U.S.C. 7401 et seq.
Amendments
[40 FR 5521, Feb. 6, 1975]
Amendments
[54 FR 33539, Aug. 15, 1989]