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Public Notice: State of California; San Joaquin Valley Nonattainment Area; Contingency Measures for the 1997 PM2.5

Publish Date: 10/23/2017

Summary

EPA) is proposing to determine that the deficiency that formed the basis for a disapproval of the contingency measures submitted for the San Joaquin Valley nonattainment area for the 1997 fine particulate matter (PM2.5) national ambient air quality standards has been corrected. The proposed determination is based on the Agency's approval of revisions to the California State Implementation Plan that include regulations establishing standards and other requirements relating to the control of emissions from new on-road and new and in-use off-road vehicles and engines and a finding that the purposes of the contingency measure requirement, as applicable to the San Joaquin Valley based on its initial designation as a nonattainment area for the 1997 PM2.5 standards, have been fulfilled. If finalized as proposed, the sanctions clocks triggered by the disapproval will be permanently stopped.

Action

Proposed rule.

Dates

Any comments must arrive by November 22, 2017.

For Further Information Contact

Rory Mays (mays.rory@epa.gov), EPA Region IX, (415) 972-3227

Applicant or Respondent

State of California

Docket Number: 

Federal Register Citation: