№ lp_1_18204
Instructional guidance governing the preparation of an official cover letter requesting a federal project-level air quality conformity determination within U.S. transportation planning and environmental review processes.
Revision date: January 2023
Document type: Instructions and sample cover letter
Jurisdiction: California
Region: United States
Primary agency: California Department of Transportation
Federal agency: Federal Highway Administration
Subject area: Transportation conformity and air quality
Regulatory framework: 40 CFR Part 93
Pollutants referenced: Ozone, CO, PM10, PM2.5, NO2
Related processes: NEPA Assignment under 23 USC 327
Intended use: Project-level conformity determination correspondence
Audience: Transportation and air quality professionals
Price: 8 / 10 USD
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