Proposed Amended Rule 429 – Startup and Shutdown Provisions for Oxides of Nitrogen

Summary

SCH Number
2022090043
Public Agency
South Coast Air Quality Management District
Document Title
Proposed Amended Rule 429 – Startup and Shutdown Provisions for Oxides of Nitrogen
Document Type
NOE - Notice of Exemption
Received
Posted
9/2/2022
Document Description
Proposed Amended Rule (PAR) 429 has been developed to provide an exemption from oxides of nitrogen (NOx) and carbon monoxide (CO) concentration limits during startup and shutdown events and establish requirements during startup and shutdown events to limit NOx and CO emissions. PAR 429 is applicable to combustion equipment utilizing continuous emissions monitoring systems (CEMS), alternative continuous emission monitoring systems (ACEMS), or semi-continuous emission monitoring systems (SCEMS) and which are subject to the following South Coast AQMD rules: Rule 1134 – Emissions of Oxides of Nitrogen from Stationary Gas Turbines; Rule 1146 – Emissions of Oxides of Nitrogen from Industrial, Institutional, and Commercial Boilers, Steam Generators, and Process Heaters; Rule 1147 – NOx Reductions from Miscellaneous Sources; Rule 1147.1 – NOx Reductions from Aggregate Dryers; and Rule 1147.2 – NOx Reductions from Metal Melting and Heating Furnaces. PAR 429 will: 1) provide an exemption from NOx and CO concentration limits in various Regulation XI rules during startup and shutdown for specified durations; 2) limit the frequency of scheduled startup events; 3) establish best management practices; and 4) enhance existing notification and recordkeeping requirements. No emission reductions are anticipated.

Contact Information

Name
Kevin Ni
Agency Name
South Coast AQMD
Job Title
Air Quality Specialist
Contact Types
Lead/Public Agency
Email

Location

Counties
Los Angeles, Orange, Riverside, San Bernardino
Regions
Countywide
Other Information
The proposed project is located within the South Coast Air Quality Management District’s (South Coast AQMD) jurisdiction, which includes the four-county South Coast Air Basin (all of Orange County and the non-desert portions of Los Angeles, Riverside, and San Bernardino counties), and the Riverside County portion of the Salton Sea Air Basin and the non-Palo Verde, Riverside County portion of the Mojave Desert Air Basin.

Notice of Exemption

Exempt Status
Other
Type, Section or Code
15061(b)(3), 15308
Reasons for Exemption
South Coast AQMD, as Lead Agency, has reviewed the proposed project (PAR 429) pursuant to: 1) CEQA Guidelines Section 15002(k) – General Concepts, the three-step process for deciding which document to prepare for a project subject to CEQA; and 2) CEQA Guidelines Section 15061 – Review for Exemption, procedures for determining if a project is exempt from CEQA. It can be seen with certainty that implementing the proposed project would not cause a significant adverse effect on the environment because PAR 429 will not require physical modifications. Therefore, the proposed project is exempt from CEQA pursuant to CEQA Guidelines Section 15061(b)(3) – Common Sense Exemption. The proposed project is also categorically exempt from CEQA pursuant to CEQA Guidelines Section 15308 – Actions by Regulatory Agencies for Protection of the Environment, because PAR 429 is designed to further protect or enhance the environment by limiting the duration and frequency of startup and shutdown events which will, in turn limit NOx and CO emissions. Further, there is no substantial evidence indicating that any of the exceptions set forth in CEQA Guidelines Section 15300.2 – Exceptions apply to the proposed project.
County Clerks
Los Angeles, Orange, Riverside, San Bernardino

Attachments

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