{"formats":[{"name":"JSON","format":"json","url":"\/downloads\/2026\/code-json\/45.2-937.json"},{"name":"Plain Text","format":"text","url":"\/downloads\/2026\/code-text\/45.2-937.txt"},{"name":"XML","format":"xml","url":"\/downloads\/2026\/code-xml\/45.2-937.xml"},{"name":"HTML","format":"html","url":"\/downloads\/2026\/code-html\/45.2-937.html"}],"law_id":364573,"edition_id":2,"section_id":364573,"structure_id":52046,"section_number":"45.2-937","catch_line":" Penetration of underground mines; testing","history":"1994, c. 28, \u00a7 45.1-161.290; 1999, c. 256; 2011, cc. 826, 862; 2021, Sp. Sess. I, c. 387.","full_text":"A\n\nA qualified person shall test for the presence of methane and for a deficiency of oxygen, using an approved device, at the entrance to an auger hole or at a highwall miner entry when either such entry point penetrates a worked-out area of an underground mine.\n\nB\n\nIf one percent or more of methane is detected or 19.5 percent or less of oxygen is found to exist, no further work shall be performed until the atmosphere has been made safe.\n\n","order_by":null,"text":{"0":{"id":1358351,"text":"A qualified person shall test for the presence of methane and for a deficiency of oxygen, using an approved device, at the entrance to an auger hole or at a highwall miner entry when either such entry point penetrates a worked-out area of an underground mine.","type":"section","prefixes":["A"],"prefix":"A","entire_prefix":"A","prefix_anchor":"A","level":1,"next_prefix":"B"},"1":{"id":1358352,"text":"If one percent or more of methane is detected or 19.5 percent or less of oxygen is found to exist, no further work shall be performed until the atmosphere has been made safe.","type":"section","prefixes":["B"],"prefix":"B","entire_prefix":"B","prefix_anchor":"B","level":1,"prior_prefix":"A"}},"ancestry":[{"id":52046,"edition_id":2,"name":"Auger and Highwall Mining","identifier":"12","label":"article","depth":5,"order_by":12,"parent_id":52034,"metadata":{"child_laws":4,"child_structures":0},"date_created":"2026-08-02 02:52:28","date_modified":"2026-08-02 12:33:53","permalink":{"id":1450959,"object_type":"structure","relational_id":52046,"identifier":"12","token":"45.2\/II\/C\/9\/12","url":"\/45.2\/II\/C\/9\/12\/","edition_id":2,"permalink":0,"preferred":1}},{"id":52034,"edition_id":2,"name":"Requirements Applicable to Surface Coal Mines","identifier":"9","label":"chapter","depth":4,"order_by":1,"parent_id":51932,"metadata":{"child_laws":40,"child_structures":13},"date_created":"2026-08-02 02:52:25","date_modified":"2026-08-02 12:33:51","permalink":{"id":1450923,"object_type":"structure","relational_id":52034,"identifier":"9","token":"45.2\/II\/C\/9","url":"\/45.2\/II\/C\/9\/","edition_id":2,"permalink":0,"preferred":1}},{"id":51932,"edition_id":2,"name":"Surface Coal Mines","identifier":"C","label":"part","depth":3,"order_by":3,"parent_id":51931,"metadata":{"child_laws":93,"child_structures":20},"date_created":"2026-08-02 02:51:17","date_modified":"2026-08-02 12:33:51","permalink":{"id":1450697,"object_type":"structure","relational_id":51932,"identifier":"C","token":"45.2\/II\/C","url":"\/45.2\/II\/C\/","edition_id":2,"permalink":0,"preferred":1}},{"id":51931,"edition_id":2,"name":"Coal Mining","identifier":"II","label":"subtitle","depth":2,"order_by":2,"parent_id":51927,"metadata":{"child_laws":337,"child_structures":56},"date_created":"2026-08-02 02:51:17","date_modified":"2026-08-02 12:33:33","permalink":{"id":1449649,"object_type":"structure","relational_id":51931,"identifier":"II","token":"45.2\/II","url":"\/45.2\/II\/","edition_id":2,"permalink":0,"preferred":1}},{"id":51927,"edition_id":2,"name":"Mines, Minerals, and Energy","identifier":"45.2","label":"title","depth":1,"order_by":99,"parent_id":null,"metadata":{"child_laws":627,"child_structures":120},"date_created":"2026-08-02 02:51:17","date_modified":"2026-08-02 12:33:32","permalink":{"id":1449541,"object_type":"structure","relational_id":51927,"identifier":"45.2","token":"45.2","url":"\/45.2\/","edition_id":2,"permalink":0,"preferred":1}}],"structure_contents":[{"id":364571,"structure_id":52046,"section_number":"45.2-935","catch_line":" Inspection of electric equipment and wiring; checking and testing methane monitors","url":"\/45.2-935\/","token":"45.2\/II\/C\/9\/12\/45.2-935","metadata":false},{"id":364572,"structure_id":52046,"section_number":"45.2-936","catch_line":" Highwall inspections","url":"\/45.2-936\/","token":"45.2\/II\/C\/9\/12\/45.2-936","metadata":false},{"id":364573,"structure_id":52046,"section_number":"45.2-937","catch_line":" Penetration of underground mines; testing","url":"\/45.2-937\/","token":"45.2\/II\/C\/9\/12\/45.2-937","metadata":false},{"id":364574,"structure_id":52046,"section_number":"45.2-938","catch_line":" Safety precautions","url":"\/45.2-938\/","token":"45.2\/II\/C\/9\/12\/45.2-938","metadata":false}],"previous_section":{"id":364572,"structure_id":52046,"section_number":"45.2-936","catch_line":" Highwall inspections","url":"\/45.2-936\/","token":"45.2\/II\/C\/9\/12\/45.2-936","metadata":false},"next_section":{"id":364574,"structure_id":52046,"section_number":"45.2-938","catch_line":" Safety precautions","url":"\/45.2-938\/","token":"45.2\/II\/C\/9\/12\/45.2-938","metadata":false},"metadata":false,"official_url":"https:\/\/law.lis.virginia.gov\/vacode\/45.2-937\/","history_text":"

This law was first created in 1994. The record of its establishment is cataloged in chapter 28<\/a> of that year\u2019s edition of \u201cActs of Assembly,\u201d the annual state publication listing all changes made to the Code of Virginia in that year. It has been modified 2 times. Those modifications are cataloged by \u201cThe Acts of Assembly,\u201d a state publication, by year and chapter. Those modifications that can be read on the General Assembly\u2019s website will be linked accordingly. Those modifications are as follows: in 1999, chapter 256<\/a>; in 2011, chapters 826<\/a> and 862<\/a>.<\/p>","references":false,"refers_to":false,"permalink":{"id":1450969,"object_type":"law","relational_id":364573,"identifier":"45.2-937","token":"45.2\/II\/C\/9\/12\/45.2-937","url":"\/45.2-937\/","edition_id":2,"permalink":0,"preferred":1},"url":"\/45.2-937\/","token":"45.2\/II\/C\/9\/12\/45.2-937","dublin_core":{"Title":" Penetration of underground mines; testing","Type":"Text","Format":"text\/html","Identifier":"\u00a7 45.2-937","Relation":"Code of Virginia"},"html":"\n\t\t\t\t\t\t

A.<\/span> A qualified person shall test for the presence of methane and for a deficiency of oxygen, using an approved device, at the entrance to an auger hole or at a highwall miner entry when either such entry point penetrates a worked-out area of an underground mine. <\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t

B.<\/span> If one percent or more of methane is detected or 19.5 percent or less of oxygen is found to exist, no further work shall be performed until the atmosphere has been made safe. <\/i><\/a><\/p><\/section>","plain_text":" CODE OF VIRGINIA\n\n PENETRATION OF UNDERGROUND MINES; TESTING (\u00a7 45.2-937)\n\nA. A qualified person shall test for the presence of methane and for a\ndeficiency of oxygen, using an approved device, at the entrance to an auger hole\nor at a highwall miner entry when either such entry point penetrates a\nworked-out area of an underground mine.\n\nB. If one percent or more of methane is detected or 19.5 percent or less of\noxygen is found to exist, no further work shall be performed until the\natmosphere has been made safe.\n\nHISTORY: 1994, c. 28, \u00a7 45.1-161.290; 1999, c. 256; 2011, cc. 826, 862; 2021,\nSp. Sess. I, c. 387.","edition":{"id":2,"name":"2026","slug":"2026","date_created":"2026-07-16 18:40:23","date_modified":"2026-08-02 15:14:36","current":1,"order_by":2,"last_import":"2026-08-02 12:37:30"}}