documents: EPA-HQ-OW-1996-0116-0086

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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posted_date posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id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-OW-1996-0116-0086 EPA EPA-HQ-OW-1996-0116 Method 1664: N-Hexane Extractable Material (HEM) and Silica Gel Treated N-Hexane Extractable Material (SGT-HEM) by Extraction and Gravimetry (Oil and Grease and Total Petroleum Hydrocarbons) [1664-NOA-B-1] Supporting & Related Material Publication - USEPA 2025-08-20T04:00:00Z 2025 8     2025-08-20T18:09:15Z   0 0 0900006486847d96

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