eLaws | eCases | United States Code | Federal Courts |

Code of Federal Regulations (Last Updated: May 6, 2024)

Title 30 - Mineral Resources

Chapter I - Mine Safety and Health Administration, Department of Labor

SubChapter K - Metal and Nonmetal Mine Safety and Health

Part 57 - Safety and Health Standards - Underground Metal and Nonmetal Mines

Subpart D - Air Quality, Radiation, Physical Agents, and Diesel Particulate Matter

Air Quality - Underground Only

§ 57.5015 - Oxygen deficiency.

Latest version.

§ 57.5015 Oxygen deficiency.

Air in all active workings shall contain at least 19.5 volume percent oxygen.

                    
                        var val = document.getElementById('citecontent').innerHTML;
                        art.dialog.defaults.title = window.location.href;
                        art.dialog.data('cite', val);
                        art.dialog.data('homeDemoPath', '/Scripts/plus/artDialog/');
                        art.dialog.open('/Scripts/plus/artDialog/citeiframe.html');