{"abstract":"The Environmental Protection Agency (EPA) is finalizing disapproval of revisions to the Clark County portion of the Nevada State Implementation Plan (SIP). This action concerns affirmative defense provisions applicable to violations related to excess emissions from sources during equipment startup, shutdown and malfunction (SSM) events. Under authority of the Clean Air Act (CAA or the Act), this action identifies deficiencies with these provisions preventing EPA's approval of them as SIP revisions.","action":"Final rule.","agencies":[{"raw_name":"ENVIRONMENTAL PROTECTION AGENCY","name":"Environmental Protection Agency","id":145,"url":"https://www.federalregister.gov/agencies/environmental-protection-agency","json_url":"https://www.federalregister.gov/api/v1/agencies/145","parent_id":null,"slug":"environmental-protection-agency"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2014/03/11/2014-05106.html","cfr_references":[{"chapter":null,"citation_url":null,"part":52,"title":40}],"citation":"79 FR 13564","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This rule is effective on April 10, 2014.","disposition_notes":null,"docket_ids":["EPA-R09-OAR-2013-0778","FRL-9907-56-Region 9"],"dockets":[],"document_number":"2014-05106","effective_on":"2014-04-10","end_page":13567,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2014/03/11/2014-05106.xml","html_url":"https://www.federalregister.gov/documents/2014/03/11/2014-05106/disapproval-of-state-implementation-plan-revisions-clark-county-nevada","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2014-05106?publication_date=2014-03-11","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2014-03-11/2014-05106/mods.xml","not_received_for_publication":null,"page_length":4,"page_views":{"count":156,"last_updated":"2026-08-26 10:15:07 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2014-03-11/pdf/2014-05106.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2014-05106.pdf?1394455640","publication_date":"2014-03-11","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2014/03/11/2014-05106.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Utah 76 FR 21639 4-18-11","document_id":"EPA-R09-OAR-2013-0778-0024"},{"title":"Montana 73 FR 21418 4-21-08","document_id":"EPA-R09-OAR-2013-0778-0023"},{"title":"Texas 75 FR 68989 11-10-10","document_id":"EPA-R09-OAR-2013-0778-0022"},{"title":"Clark Section 25 5-18-10","document_id":"EPA-R09-OAR-2013-0778-0021"},{"title":"CCAQR Section 11","document_id":"EPA-R09-OAR-2013-0778-0020"},{"title":"Nevada notebook 77 FR 14862 3-13-12","document_id":"EPA-R09-OAR-2013-0778-0019"},{"title":"Clark NSR 69 FR 54006 9-7-04","document_id":"EPA-R09-OAR-2013-0778-0018"},{"title":"Clark 25 disapproval 49 FR 10259 3-20-84","document_id":"EPA-R09-OAR-2013-0778-0017"},{"title":"Clark 25 proposed disapproval 48 FR 24137 5-31-83","document_id":"EPA-R09-OAR-2013-0778-0016"},{"title":"National Memo to Docket 2-4-13","document_id":"EPA-R09-OAR-2013-0778-0015"}],"comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA-R09-OAR-2013-0778","supporting_documents_count":23,"docket_id":"EPA-R09-OAR-2013-0778","regulation_id_number":null,"title":"Disapproval of Clark County Section 25","checked_regulationsdotgov_at":"2014-03-31T16:47:26Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":13564,"subtype":null,"title":"Disapproval of State Implementation Plan Revisions; Clark County, Nevada","toc_doc":"Clark County, NV; Disapproval of Revisions","toc_subject":"Air Quality State Implementation Plans; Approvals and Promulgations:","topics":["Air pollution control","Carbon monoxide","Environmental protection","Incorporation by reference","Intergovernmental relations","Lead","Nitrogen dioxide","Ozone","Particulate matter","Reporting and recordkeeping requirements","Sulfur oxides","Volatile organic compounds"],"type":"Rule","volume":79}