documents: EPA-HQ-OAR-2004-0399-0104

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id agency_id docket_id title document_type subtype posted_date posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id
EPA-HQ-OAR-2004-0399-0104 EPA EPA-HQ-OAR-2004-0399 Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy-Duty Highway Engines and Vehicles; Revision of Light-Duty On-Board Diagnostics Requirements Proposed Rule Notice of Proposed Rulemaking (NPRM) 2021-07-07T04:00:00Z 2021 7 2021-07-07T04:00:00Z 1999-12-03T04:59:59Z 2021-07-07T17:26:21Z 64 0 0 09000064844c1fb2

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