# Approval and Promulgation of Implementation Plans; Indiana
> **Rule** · Direct final rule. · Published 1997-01-17 · Effective 1997-03-18 · 62 FR 2591
## Document
- **Document number:** 97-1080
- **Category:** air-emissions
- **Federal Register citation:** 62 FR 2591
- **CFR reference:** 40 CFR 52
- **Publication date:** 1997-01-17
- **Effective date:** 1997-03-18
- **State:** IN
- **EPA docket:** IN64-1a
## Abstract

On November 21, 1995, the State of Indiana submitted to EPA a rule for control of Non-Methane Organic Compounds (NMOC) emissions from municipal solid waste (MSW) landfills in Clark, Floyd, Lake, and Porter Counties, as a requested revision to the ozone State Implementation Plan (SIP). This rule is part of the State's 15 percent (%) Rate of Progress (ROP) plan to control Volatile Organic Compound (VOC) emissions in Clark and Floyd Counties, and is included in the VOC contingency plan for Lake and Porter Counties. Emissions of VOC react with nitrogen oxides in sunlight to form ground-level ozone, commonly known as smog. Exposure to high ozone concentrations causes respiratory irritation, especially to children, seniors, and people with asthma and other respiratory problems. Indiana expects that the control measures specified in this MSW landfills SIP will reduce VOC emissions by 1,132 pounds per day (lbs/day) in Lake and Porter Counties and 345 lbs/day in Clark and Floyd Counties. In this action, EPA is approving Indiana's rule as a direct final action; the rationale for this approval is set forth below. Elsewhere in this Federal Register, EPA is proposing approval and soliciting comment on this direct final action; if adverse comments are received, EPA will withdraw the direct final and address the comments received in a new final rule. Unless this direct final is withdrawn, no further rulemaking will occur on this requested SIP revision.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/01/17/97-1080/approval-and-promulgation-of-implementation-plans-indiana)
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