The Environmental Protection Agency (EPA) is denying a request submitted by California for extension of the attainment date for the 1997 24-hour and annual fine particulate matter (PM2.5 ) national ambient air quality standards in the San Joaquin Valley Serious PM2.5 nonattainment area.
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Denial of Request for Extension of Attainment Date for 1997 PM2.5
The Environmental Protection Agency (EPA) is denying a request submitted by California for extension of the attainment date for the 1997 24-hour and annual fine particulate matt...
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81 FR 69396
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“Denial of Request for Extension of Attainment Date for 1997 PM2.5,” thefederalregister.org (October 6, 2016), https://thefederalregister.org/documents/2016-24082/denial-of-request-for-extension-of-attainment-date-for-1997-pm2-5.