This Federal Register notice is not a NEPA document. It is a Paperwork Reduction Act pre-clearance notice from the Mine Safety and Health Administration (MSHA) soliciting public comments on three proposed extensions of existing information collections: Safety Standards for Roof Bolts in Metal and Nonmetal Mines (OMB 1219-0121), Petitions for Modification of Mandatory Safety Standards (OMB 1219-0065), and Health Standards for Diesel Particulate Matter Exposure in Underground Metal and Nonmetal Mines (OMB 1219-0135). No NEPA environmental review is conducted or referenced. Comments are due by December 23, 2024.12