federal_register: 2013-30878
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| document_number | title | type | abstract | publication_date | pub_year | pub_month | html_url | pdf_url | agency_names | agency_ids | excerpts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013-30878 | Approval and Promulgation of Implementation Plans; Washington: Kent, Seattle, and Tacoma Second 10-Year PM10 Limited Maintenance Plan | Proposed Rule | The Environmental Protection Agency (EPA) is proposing to approve a limited maintenance plan submitted by the State of Washington, dated November 25, 2013, for the Kent, Seattle, and Tacoma maintenance areas for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM<INF>10</INF>). A limited maintenance plan is used to meet Clean Air Act requirements for formerly designated nonattainment areas with little risk of violating the PM<INF>10</INF> National Ambient Air Quality Standard (PM<INF>10</INF> NAAQS) again. All three areas currently have monitored PM<INF>10</INF> levels that are roughly one-third of the PM<INF>10</INF> NAAQS, with steady declines in PM<INF>10</INF> levels since the areas were first identified as potentially violating the PM<INF>10</INF> NAAQS in 1987. | 2013-12-26 | 2013 | 12 | https://www.federalregister.gov/documents/2013/12/26/2013-30878/approval-and-promulgation-of-implementation-plans-washington-kent-seattle-and-tacoma-second-10-year | https://www.govinfo.gov/content/pkg/FR-2013-12-26/pdf/2013-30878.pdf | Environmental Protection Agency | 145 | The Environmental Protection Agency (EPA) is proposing to approve a limited maintenance plan submitted by the State of Washington, dated November 25, 2013, for the Kent, Seattle, and Tacoma maintenance areas for particulate matter with an aerodynamic... |