# Amendments to Standards of Performance for New Stationary Sources; Monitoring Requirements
> **Rule** · Final rule. · Published 2004-01-12 · 69 FR 1786
## Document
- **Document number:** 04-5
- **Category:** air-emissions
- **Federal Register citation:** 69 FR 1786
- **CFR reference:** 40 CFR 60
- **Publication date:** 2004-01-12
- **EPA docket:** OAR-2003-0009, FRL-7604-9
## Abstract

This action promulgates Performance Specification 11 (PS-11): Specifications and Test Procedures for Particulate Matter Continuous Emission Monitoring Systems at Stationary Sources, and Procedure 2: Quality Assurance (QA) Requirements for Particulate Matter Continuous Emission Monitoring Systems at Stationary Sources. The PS-11 and QA Procedure 2 will apply to sources that are required under an applicable regulation to use particulate matter continuous emission monitoring systems (PM CEMS) to monitor PM continuously. The PS-11 and Procedure 2 will help to ensure that PM CEMS are installed and operated properly and produce good quality monitoring data on an ongoing basis.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2004/01/12/04-5/amendments-to-standards-of-performance-for-new-stationary-sources-monitoring-requirements)
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