StacksVerified U.S. regulatory reference

40 CFR §52.823

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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: