Iowa New Source Review regulations & environmental compliance analysis

Iowa New Source Review : What you need to know

Governing Law and Regulations

Construction permits: Iowa Administrative Code (IAC) 567-22.1(455B)

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Nonattainment New Source Review (NSR): IAC 567-31.1(455B) to 567-31.20(455B)

Nonattainment areas: 40 CFR 81.316

Prevention of Significant Deterioration (PSD): IAC 567-33.1(455B) to 567-33.10(455B) and 40 CFR 52.822

Public participation: IAC 567-33.3(17)

Regulatory Agencies

Iowa Department of Natural Resources (DNR) Environmental Services Division Air Quality Bureau

Linn County Public Health Department Air Quality Division

Polk County Public Works Air Quality Division

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Iowa requires any new or modified air emissions source, air emissions control device, or anaerobic lagoon to secure an air quality permit to construct, unless specifically exempted. New major sources and major modifications must comply with the applicable provisions of Prevention of Significant Deterioration (PSD).

Iowa currently has areas that are in nonattainment with one or more of the National Ambient Air Quality Standards (NAAQS). The provisions of nonattainment New Source Review (NSR) apply to new major sources or major modifications in those areas, while PSD requirements apply to attainment areas. Iowa administers state implementation plan (SIP)-approved nonattainment NSR and PSD programs. Therefore, the provisions of federal nonattainment NSR, PSD, and any amendments are not effective in Iowa until a SIP revision incorporating provisions at least as stringent as the federal requirements is submitted by the state and approved by the U.S. Environmental Protection Agency (EPA). The Iowa ...


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