1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 52 - APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS
  6. Subpart F - California
  7. 40 CFR § 52.221
40 CFR § 52.221
Classification of regions
June 9, 2020
CFR

The California plan was evaluated on the basis of the following classifications:

Open Table
Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Photochemical oxidants
(hydrocarbons)
Great Basin Valley Intrastate I III III III III
Lake County Intrastate II III III III III
Lake Tahoe Intrastate II III III I III
Metropolitan Los Angeles Intrastate I III III I I
Mountain Counties Intrastate II III III I I
North Central Coast Intrastate II III III III III
North Coast Intrastate II III III III III
Northeast Plateau Intrastate III III III III III
Sacramento Valley Intrastate II III III I I
San Diego Intrastate II III III I I
San Francisco Bay Area Intrastate II III III I I
San Joaquin Valley Intrastate II III III I I
South Central Coast Intrastate III III III III III
Southeast Desert Intrastate I III III III I

[81 FR 18778, Apr. 1, 2016]

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§ 52.220a Identification of plan—in part
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§ 52.222 Negative declarations

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