{"abstract":"The Environmental Protection Agency (EPA) is requesting nominations of chemical and microbial contaminants that are not currently regulated, for possible inclusion on the fifth drinking water Contaminant Candidate List. The EPA requests that nominations include information showing the nominated contaminant is known or anticipated to occur in public water systems and indicating the nominated contaminant may require regulation due to the potential for adverse effects on the health of persons.","action":"Notice.","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/2018/10/05/2018-21748.html","cfr_references":[],"citation":"83 FR 50364","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"Nominations must be received on or before December 4, 2018.","disposition_notes":null,"docket_ids":["EPA-HQ-OW-2018-0594","FRL-9985-17-OW"],"dockets":[],"document_number":"2018-21748","effective_on":null,"end_page":50366,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2018/10/05/2018-21748.xml","html_url":"https://www.federalregister.gov/documents/2018/10/05/2018-21748/request-for-nominations-of-drinking-water-contaminants-for-the-fifth-contaminant-candidate-list","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2018-21748?publication_date=2018-10-05","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2018-10-05/2018-21748/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":6162,"last_updated":"2026-08-25 00:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2018-10-05/pdf/2018-21748.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2018-21748.pdf?1538657131","publication_date":"2018-10-05","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2018/10/05/2018-21748.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2018-10-25T10:00:26Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":50364,"subtype":null,"title":"Request for Nominations of Drinking Water Contaminants for the Fifth Contaminant Candidate List","toc_doc":"Drinking Water Contaminants for the Fifth Contaminant Candidate List","toc_subject":"Requests for Nominations:","topics":[],"type":"Notice","volume":83}