# Approval and Promulgation of Air Quality Implementation Plans; State of Iowa; Correction
> **Rule** · Final rule; correcting amendment. · Published 1999-12-07 · Effective 1999-12-07 · 64 FR 68292
## Document
- **Document number:** 99-31538
- **Category:** air-emissions
- **Federal Register citation:** 64 FR 68292
- **CFR reference:** 40 CFR 52
- **Publication date:** 1999-12-07
- **Effective date:** 1999-12-07
- **State:** IA
- **EPA docket:** Region VII Tracking No. 088-1088
## Abstract

This document corrects an error in the amendatory instruction in a direct final rule pertaining to the Cedar Rapids, Iowa, attainment and maintenance of the sulfur dioxide National Ambient Air Quality Standard regulation.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1999/12/07/99-31538/approval-and-promulgation-of-air-quality-implementation-plans-state-of-iowa-correction)
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