# Approval and Promulgation of Implementation Plans; State of Nebraska
> **Rule** · Direct final rule. · Published 2001-04-20 · Effective 2001-06-19 · 66 FR 20196
## Document
- **Document number:** 01-9741
- **Category:** air-emissions
- **Federal Register citation:** 66 FR 20196
- **CFR reference:** 40 CFR 52
- **Publication date:** 2001-04-20
- **Effective date:** 2001-06-19
- **State:** NE
- **EPA docket:** Region 7 Tracking No. 0124-1124(b)
## Abstract

EPA is announcing the redesignation of the lead nonattainment area in eastern Douglas County, Nebraska, to attainment of the National Ambient Air Quality Standards (NAAQS). EPA is also approving a revision to the Nebraska State Implementation Plan (SIP) for maintenance of the lead standard in the eastern Douglas County area.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2001/04/20/01-9741/approval-and-promulgation-of-implementation-plans-state-of-nebraska)
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