{"abstract":"On April 28, 2010, EPA published a proposed rule for mercury emissions from the gold mine ore processing and production area source category. We are announcing an extension of the public comment period to June 28, 2010.","action":"Extension of public comment period.","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/2010/05/20/2010-12099.html","cfr_references":[{"chapter":null,"citation_url":null,"part":9,"title":40},{"chapter":null,"citation_url":null,"part":63,"title":40}],"citation":"75 FR 28227","comment_url":null,"comments_close_on":"2010-06-28","correction_of":null,"corrections":[],"dates":"Submit comments on or before June 28, 2010.","disposition_notes":null,"docket_ids":["EPA-HQ-OAR-2010-0239","FRL-9143-5"],"dockets":[],"document_number":"2010-12099","effective_on":null,"end_page":28227,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2010/05/20/2010-12099.xml","html_url":"https://www.federalregister.gov/documents/2010/05/20/2010-12099/national-emission-standards-for-hazardous-air-pollutants-gold-mine-ore-processing-and-production","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2010-12099?publication_date=2010-05-20","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2010-05-20/2010-12099/mods.xml","not_received_for_publication":null,"page_length":1,"page_views":{"count":87,"last_updated":"2026-09-21 12:15:06 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2010-05-20/pdf/2010-12099.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2010-05-20","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2010/05/20/2010-12099.txt","regulation_id_number_info":{"2060-AP48":{"issue":"201104","html_url":"https://www.federalregister.gov/regulations/2060-AP48/national-emissions-standard-for-hazardous-air-pollutants-for-gold-mine-ore-processing","title":"National Emissions Standard for Hazardous Air Pollutants for Gold Mine Ore Processing","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=201104&RIN=2060-AP48&operation=OPERATION_EXPORT_XML","priority_category":"Other Significant"}},"regulation_id_numbers":["2060-AP48"],"regulations_dot_gov_info":{},"regulations_dot_gov_url":null,"significant":true,"signing_date":null,"start_page":28227,"subtype":null,"title":"National Emission Standards for Hazardous Air Pollutants: Gold Mine Ore Processing and Production Area Source Category and Addition to Source Category List for Standards","toc_doc":"Gold Mine Ore Processing and Production Area Source Category and Addition to Source Category List for Standards","toc_subject":"National Emission Standards for Hazardous Air Pollutants:","topics":["Air pollution control","Environmental protection","Hazardous substances","Reporting and recordkeeping requirements"],"type":"Proposed Rule","volume":75}