{"abstract":"This action finalizes the residual risk and technology review (RTR) conducted for the Hydrochloric Acid (HCl) Production source category regulated under national emission standards for hazardous air pollutants (NESHAP). In addition, in this action we are finalizing amendments to add electronic reporting; address periods of startup, shutdown, and malfunction (SSM); and establish work practice standards for maintenance activities pursuant to the Clean Air Act (CAA). We are making no revisions to the numerical emission limits based on the risk analysis or technology review. Although these amendments are not anticipated to result in reductions in emissions of hazardous air pollutants (HAP), they will result in improved monitoring, compliance and implementation of the rule.","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/2020/04/15/2020-05853.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"63","title":40}],"citation":"85 FR 20855","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"This final rule is effective on April 15, 2020.","disposition_notes":null,"docket_ids":["EPA-HQ-OAR-2018-0417","FRL-10006-80-OAR"],"dockets":[],"document_number":"2020-05853","effective_on":"2020-04-15","end_page":20873,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2020/04/15/2020-05853.xml","html_url":"https://www.federalregister.gov/documents/2020/04/15/2020-05853/national-emission-standards-for-hazardous-air-pollutants-hydrochloric-acid-production-residual-risk","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2020-05853?publication_date=2020-04-15","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2020-04-15/2020-05853/mods.xml","not_received_for_publication":null,"page_length":19,"page_views":{"count":2291,"last_updated":"2026-07-27 14:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2020-04-15/pdf/2020-05853.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2020-05853.pdf?1586868327","publication_date":"2020-04-15","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2020/04/15/2020-05853.txt","regulation_id_number_info":{"2060-AT74":{"issue":"201910","html_url":"https://www.federalregister.gov/regulations/2060-AT74/national-emission-standards-for-hazardous-air-pollutants-for-hydrochloric-acid-production-residual-r","title":"National Emission Standards for Hazardous Air Pollutants for Hydrochloric Acid Production Residual Risk and Technology Review","xml_url":"http://www.reginfo.gov/public/do/eAgendaViewRule?pubId=201910&RIN=2060-AT74&operation=OPERATION_EXPORT_XML","priority_category":"Substantive, Nonsignificant"}},"regulation_id_numbers":["2060-AT74"],"regulations_dot_gov_info":{"supporting_documents":[{"title":"Subpart NNNNN Reg Text Redline RTR Final March 2020","document_id":"EPA-HQ-OAR-2018-0417-0213"},{"title":"Summary of Public Comments and Responses for the Risk and Technology Review for Hydrochloric Acid Production","document_id":"EPA-HQ-OAR-2018-0417-0212"},{"title":"2032.11 Supporting Statement Final","document_id":"EPA-HQ-OAR-2018-0417-0210"},{"title":"HClfinalRTReconimpactanalysis 2020","document_id":"EPA-HQ-OAR-2018-0417-0208"},{"title":"EO 13771 Workbook (2020) HCl Production RTR final","document_id":"EPA-HQ-OAR-2018-0417-0207"},{"title":"Residual Risk Assessment for the Hydrochloric Acid Production Source Category in Support of the 2020 Risk and Technology Review Final Rule","document_id":"EPA-HQ-OAR-2018-0417-0206"},{"title":"Correspondence between EPA and Dow Chemical 3162018","document_id":"EPA-HQ-OAR-2018-0417-0036"},{"title":"HCl NESHAP RTR Proposal Cost Impacts Spreadsheet December 2018","document_id":"EPA-HQ-OAR-2018-0417-0032"},{"title":"HCl Production ICR 2032.09 Supporting Statement Proposal December 2018","document_id":"EPA-HQ-OAR-2018-0417-0031"},{"title":"Industry Characterization Memo HCL RTR Proposal December 2018","document_id":"EPA-HQ-OAR-2018-0417-0028"}],"regulatory_plan":{"html_url":"https://www.federalregister.gov/regulations/2060-AT74/national-emission-standards-for-hazardous-air-pollutants-for-hydrochloric-acid-production-residual-r","title":"National Emission Standards for Hazardous Air Pollutants for Hydrochloric Acid Production Residual Risk and Technology Review"},"comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=EPA-HQ-OAR-2018-0417","supporting_documents_count":49,"docket_id":"EPA-HQ-OAR-2018-0417","regulation_id_number":"2060-AT74","title":"National Emission Standards for Hazardous Air Pollutants: Hydrochloric Acid Production Residual Risk and Technology Review","checked_regulationsdotgov_at":"2020-04-17T03:30:18Z"},"regulations_dot_gov_url":null,"significant":false,"signing_date":null,"start_page":20855,"subtype":null,"title":"National Emission Standards for Hazardous Air Pollutants: Hydrochloric Acid Production Residual Risk and Technology Review","toc_doc":null,"toc_subject":null,"topics":["Air pollution control","Environmental protection","Hazardous substances","Reporting and recordkeeping requirements"],"type":"Rule","volume":85}