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withdrawn,object_id OSHA-S550-2006-0721-0017,OSHA,OSHA-S550-2006-0721,"Supporting Exhibit 3-1; LETTER TO CHARLES N JEFFRESS, ASSISTANT SECRETARY OF LABOR FOR OCCUPATIONAL SAFETY AND HEALTH, REGARDING THE PROFESSIONAL ASSOCIATION OF DIVING INSTRUCTORS REQUEST FOR ISSUE OF A LETTER OF INTERPRETATION.",Supporting & Related Material,References/Supporting Documents,2000-02-04T05:00:00Z,2000,2,,,2016-05-20T23:08:14Z,,0,0,0900006480205c3d