RAPID/BulkTransmission/California/Air Quality

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California Bulk Transmission Air Quality Assessment(15-CA)

In California, bulk transmission project construction activities and equipment (e.g., certain diesel generators, construction equipment, fugitive dust emissions) may require an Air Quality Permit from one or more of California’s 35 Air Quality Management Districts and Air Pollution Control Districts (Air Districts), which the California Air Resources Board (CARB) oversees.

If a developer plans to own or operate a portable engine of 50 horsepower (hp) or greater, the developer may need a permit or registration to legally operate it in California. California’s local Air Districts have the authority to determine which portable engines require permits. Therefore, the developer should check with the appropriate Air Districts regarding the specific permitting requirements for the project equipment. California Air Resources Board – Guide to Off-Road Vehicle & Equipment Regulations. A developer may choose to participate in CARB’s voluntary state-wide Portable Equipment Registration Program (PERP) to operate certain portable equipment throughout the state in lieu of obtaining permits from any of California’s 35 individual Air Districts. Cal. Code Regs. tit. 13-3 § 2451. Internal combustion engines (diesel compression ignition and spark ignition) that power generators that qualify as nonroad engines may register through PERP if eligibility requirements are met. Cal. Code Regs. tit. 13-3 § 2456.

A developer using certain heavy-duty diesel construction equipment must comply with California’s Regulation for In-Use Off-Road Diesel-Fueled Fleets (Off-Road Diesel Regulation) by registering vehicles subject to the rule in the California Air Resources Board – Diesel Off-Road Online Reporting System (DOORS). A developer must also comply with each applicable Air District’s fugitive dust rules. The developer should consider the project’s impact on air quality and comply with federal and state law.

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Determine Which State and Federal Permits Apply

Use this overview flowchart and following steps to learn which federal and state permits apply to your projects.