federal_register: 2011-221

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts regulation_id_numbers
2011-221 Determinations of Attainment by the Applicable Attainment Date for the Hayden, Nogales, Paul Spur/Douglas PM10 Nonattainment Areas, Arizona Rule EPA is making final determinations that the Hayden, Nogales, and Paul Spur/Douglas nonattainment areas in Arizona attained the National Ambient Air Quality Standard (NAAQS) for particulate matter with an aerodynamic diameter of less than or equal to a nominal ten micrometers (PM<INF>10</INF>) by their applicable attainment dates of December 31, 1994. On the basis of these determinations, EPA concludes that these three "moderate" nonattainment areas are not subject to reclassification by operation of law to "serious." EPA is not finalizing determinations with respect to the air quality in these areas subsequent to their 1994 attainment dates. 2011-01-11 2011 1 https://www.federalregister.gov/documents/2011/01/11/2011-221/determinations-of-attainment-by-the-applicable-attainment-date-for-the-hayden-nogales-paul https://www.govinfo.gov/content/pkg/FR-2011-01-11/pdf/2011-221.pdf Environmental Protection Agency 145 EPA is making final determinations that the Hayden, Nogales, and Paul Spur/Douglas nonattainment areas in Arizona attained the National Ambient Air Quality Standard (NAAQS) for particulate matter with an aerodynamic diameter of less than or equal to a...  

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