{"abstract":"Notice is hereby given that the Environmental Protection Agency (EPA) has designated, in accordance with 40 CFR part 53, two new reference methods, one each for measuring concentrations of particulate matter as PM10 and nitrogen dioxide (NO2) in the ambient air.","action":"Notice of the designation of two new reference methods for monitoring ambient air quality.","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/2006/07/25/E6-11820.html","cfr_references":[],"citation":"71 FR 42089","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":null,"disposition_notes":null,"docket_ids":["FRL-8203-3"],"dockets":[],"document_number":"E6-11820","effective_on":null,"end_page":42091,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2006/07/25/E6-11820.xml","html_url":"https://www.federalregister.gov/documents/2006/07/25/E6-11820/office-of-research-and-development-ambient-air-monitoring-reference-and-equivalent-methods","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/E6-11820?publication_date=2006-07-25","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2006-07-25/E6-11820/mods.xml","not_received_for_publication":null,"page_length":3,"page_views":{"count":47,"last_updated":"2024-03-19 06:15:06 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2006-07-25/pdf/E6-11820.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"2006-07-25","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2006/07/25/E6-11820.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-11-12T19:48:53Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":42089,"subtype":null,"title":"Office of Research and Development; Ambient Air Monitoring Reference and Equivalent Methods: Designation of Two New Reference Methods","toc_doc":"Particulate matter (PM10) and nitrogen dioxide (NO2); two new reference methods designation","toc_subject":"Air programs:","topics":[],"type":"Notice","volume":71}