federal_register: E7-16693
Data license: Public Domain (U.S. Government data) · Data source: Federal Register API & Regulations.gov API
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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 |
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| E7-16693 | Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; State of California; PM-10; Affirmation of Determination of Attainment for the San Joaquin Valley Nonattainment Area | Proposed Rule | In a final rule published in the Federal Register on October 30, 2006, EPA determined that the San Joaquin Valley nonattainment area (SJV or the Valley) in California attained the National Ambient Air Quality Standards (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM-10). Since that final determination of attainment, the State has flagged several exceedances of the PM-10 standard in 2006 as being caused by exceptional events, i.e., high winds, and requested that these data be excluded from attainment determinations. EPA is proposing to concur with the State's request to flag these exceedances and thus to exclude that data from use in determining PM-10 attainment for the SJV. EPA is also proposing to exclude from use in determining attainment for the SJV exceedances recorded at a monitor located at the Santa Rosa Rancheria, tribal lands within the boundaries of the SJV, on two bases: The exceedances occurred while the monitor was operating in very close proximity to construction activities and, as such, the monitor was not properly sited during that time for purposes of comparison to the NAAQS; and the exceedances were caused by an exceptional event. EPA is proposing to concur with the Santa Rosa Rancheria Tribe's request to flag these exceedances as due to an exceptional event. As a result, EPA is proposing to affirm its determination that the SJV has attained the PM-10 standard based on EPA's evaluation of quality-assured data through December 2006. In addition to providing the public with an opportunity to comment on EPA's evaluation and proposed concurrence on flagged exceedances that occurred through the end of calendar year 2006, EPA is in this proposed rule addressing issues raised in petitions for reconsideration and withdrawal of EPA's 2006 determination of attainment, filed by Earthjustice on behalf of the Sierra Club, Latino Issues Forum and others. | 2007-08-27 | 2007 | 8 | https://www.federalregister.gov/documents/2007/08/27/E7-16693/approval-and-promulgation-of-implementation-plans-designation-of-areas-for-air-quality-planning | https://www.govinfo.gov/content/pkg/FR-2007-08-27/pdf/E7-16693.pdf | Environmental Protection Agency | 145 | In a final rule published in the Federal Register on October 30, 2006, EPA determined that the San Joaquin Valley nonattainment area (SJV or the Valley) in California attained the National Ambient Air Quality Standards (NAAQS) for particulate matter... |