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Procedure Instruction Letters

2019
PIL Number Title Effective Date
I19-V-01 Procedure for Permitting the Use of Belt Air to Ventilate Working Sections of Underground Coal Mines 2/8/2019
2016
PIL Number Title Effective Date
I16-V-01 Reissue of I12-V-03 and I12-IV-04 - Use of Digital Cameras and the Storage and Preservation of Digital Images 4/27/2016
2012
PIL Number Title Effective Date
I12-V-11 Reissue of I10-V-09 - Procedures for Evaluation of Requests to Make Extended Cuts With Remote Controlled Continuous Mining Machines 4/30/2012
I12-V-19 District Field Change Requests for Adding Proximity Detection Systems 7/26/2012
2011
PIL Number Title Effective Date
I11-III-02 Compliance Procedures for the Hazard Communication Standard 6/20/2011