{"formats":[{"name":"JSON","format":"json","url":"\/downloads\/2025\/code-json\/45.2-847.json"},{"name":"Plain Text","format":"text","url":"\/downloads\/2025\/code-text\/45.2-847.txt"},{"name":"XML","format":"xml","url":"\/downloads\/2025\/code-xml\/45.2-847.xml"},{"name":"HTML","format":"html","url":"\/downloads\/2025\/code-html\/45.2-847.html"}],"law_id":71388,"edition_id":1,"section_id":71388,"structure_id":14031,"section_number":"45.2-847","catch_line":" Examination of mine for explosive gas and other hazardous conditions","history":"Code 1950, \u00a7\u00a7 45-32, 45-33, 45-60.4, 45-68.1, 45-69.7, 45-85.6; 1954, c. 191; 1966, c. 594, \u00a7\u00a7 45.1-35, 45.1-65; 1978, cc. 118, 120; 1994, c. 28, \u00a7 45.1-161.231; 1996, c. 774; 1999, c. 256; 2021, Sp. Sess. I, c. 387.","full_text":"A\n\nEvery certified person whose regular duties require him to inspect working places in any mine for hazardous conditions shall have in his possession and shall use, when underground, a permissible methane detector or other permissible device capable of detecting methane and oxygen deficiency.B\n\nA sufficient number of permissible methane detectors or other permissible devices capable of detecting methane shall be kept at each mine inby the last open crosscut. Every miner shall be trained in the operation of such devices. Every miner working inby the last open crosscut shall be certified by the Board of Coal Mining Examiners pursuant to &#xA7; 45.2-520 to conduct gas testing.C\n\nEvery methane detector shall be maintained in permissible condition. Every methane detector shall be calibrated at least monthly in accordance with the manufacturer&#8217;s recommendations. A record of such calibration shall be made in a book for this purpose kept at a surface location at the mine and maintained for one year.","order_by":null,"text":{"0":{"id":257372,"text":"Every certified person whose regular duties require him to inspect working places in any mine for hazardous conditions shall have in his possession and shall use, when underground, a permissible methane detector or other permissible device capable of detecting methane and oxygen deficiency.","type":"section","prefixes":["A"],"prefix":"A","entire_prefix":"A","prefix_anchor":"A","level":1,"next_prefix":"B"},"1":{"id":257373,"text":"A sufficient number of permissible methane detectors or other permissible devices capable of detecting methane shall be kept at each mine inby the last open crosscut. Every miner shall be trained in the operation of such devices. Every miner working inby the last open crosscut shall be certified by the Board of Coal Mining Examiners pursuant to &#xA7; 45.2-520 to conduct gas testing.","type":"section","prefixes":["B"],"prefix":"B","entire_prefix":"B","prefix_anchor":"B","level":1,"prior_prefix":"A","next_prefix":"C"},"2":{"id":257374,"text":"Every methane detector shall be maintained in permissible condition. Every methane detector shall be calibrated at least monthly in accordance with the manufacturer&#8217;s recommendations. A record of such calibration shall be made in a book for this purpose kept at a surface location at the mine and maintained for one year.","type":"section","prefixes":["C"],"prefix":"C","entire_prefix":"C","prefix_anchor":"C","level":1,"prior_prefix":"B"}},"ancestry":[{"id":14031,"edition_id":1,"name":"Ventilation, Mine Gases, and Other Hazardous Conditions","identifier":"4","label":"article","depth":5,"order_by":1,"parent_id":14030,"metadata":{},"date_created":"2026-06-26 03:46:38","date_modified":"2026-06-26 03:46:38","permalink":{"id":223537,"object_type":"structure","relational_id":14031,"identifier":"4","token":"45.2\/II\/B\/8\/4","url":"\/45.2\/II\/B\/8\/4\/","edition_id":1,"permalink":0,"preferred":1}},{"id":14030,"edition_id":1,"name":"Requirements Applicable to Underground Coal Mines; Electricity, Safety, Etc","identifier":"8","label":"chapter","depth":4,"order_by":1,"parent_id":12986,"metadata":{},"date_created":"2026-06-26 03:46:38","date_modified":"2026-06-26 03:46:38","permalink":{"id":223425,"object_type":"structure","relational_id":14030,"identifier":"8","token":"45.2\/II\/B\/8","url":"\/45.2\/II\/B\/8\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12986,"edition_id":1,"name":"Underground Coal Mines","identifier":"B","label":"part","depth":3,"order_by":1,"parent_id":12985,"metadata":{},"date_created":"2026-06-26 03:44:06","date_modified":"2026-06-26 03:44:06","permalink":{"id":223095,"object_type":"structure","relational_id":12986,"identifier":"B","token":"45.2\/II\/B","url":"\/45.2\/II\/B\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12985,"edition_id":1,"name":"Coal Mining","identifier":"II","label":"subtitle","depth":2,"order_by":1,"parent_id":12713,"metadata":{},"date_created":"2026-06-26 03:44:06","date_modified":"2026-06-26 03:44:06","permalink":{"id":222647,"object_type":"structure","relational_id":12985,"identifier":"II","token":"45.2\/II","url":"\/45.2\/II\/","edition_id":1,"permalink":0,"preferred":1}},{"id":12713,"edition_id":1,"name":"Mines, Minerals, and Energy","identifier":"45.2","label":"title","depth":1,"order_by":1,"parent_id":null,"metadata":{},"date_created":"2026-06-26 03:43:49","date_modified":"2026-06-26 03:43:49","permalink":{"id":222539,"object_type":"structure","relational_id":12713,"identifier":"45.2","token":"45.2","url":"\/45.2\/","edition_id":1,"permalink":0,"preferred":1}}],"structure_contents":[{"id":61647,"structure_id":14031,"section_number":"45.2-826","catch_line":" Pre-shift examinations","url":"\/45.2-826\/","token":"45.2\/II\/B\/8\/4\/45.2-826","metadata":false},{"id":75532,"structure_id":14031,"section_number":"45.2-827","catch_line":" On-shift examinations","url":"\/45.2-827\/","token":"45.2\/II\/B\/8\/4\/45.2-827","metadata":false},{"id":84889,"structure_id":14031,"section_number":"45.2-828","catch_line":" Weekly examinations","url":"\/45.2-828\/","token":"45.2\/II\/B\/8\/4\/45.2-828","metadata":false},{"id":55121,"structure_id":14031,"section_number":"45.2-829","catch_line":" Examinations of fans","url":"\/45.2-829\/","token":"45.2\/II\/B\/8\/4\/45.2-829","metadata":false},{"id":78974,"structure_id":14031,"section_number":"45.2-830","catch_line":" Record of examinations","url":"\/45.2-830\/","token":"45.2\/II\/B\/8\/4\/45.2-830","metadata":false},{"id":73101,"structure_id":14031,"section_number":"45.2-831","catch_line":" Notice of hazardous conditions","url":"\/45.2-831\/","token":"45.2\/II\/B\/8\/4\/45.2-831","metadata":false},{"id":56771,"structure_id":14031,"section_number":"45.2-832","catch_line":" Notice of monitor tampering prohibition","url":"\/45.2-832\/","token":"45.2\/II\/B\/8\/4\/45.2-832","metadata":false},{"id":84902,"structure_id":14031,"section_number":"45.2-833","catch_line":" Main fans","url":"\/45.2-833\/","token":"45.2\/II\/B\/8\/4\/45.2-833","metadata":false},{"id":64758,"structure_id":14031,"section_number":"45.2-834","catch_line":" Fan stoppage plan","url":"\/45.2-834\/","token":"45.2\/II\/B\/8\/4\/45.2-834","metadata":false},{"id":61736,"structure_id":14031,"section_number":"45.2-835","catch_line":" Auxiliary fans","url":"\/45.2-835\/","token":"45.2\/II\/B\/8\/4\/45.2-835","metadata":false},{"id":78287,"structure_id":14031,"section_number":"45.2-836","catch_line":" Quantity of air","url":"\/45.2-836\/","token":"45.2\/II\/B\/8\/4\/45.2-836","metadata":false},{"id":81164,"structure_id":14031,"section_number":"45.2-837","catch_line":" Bleeder systems","url":"\/45.2-837\/","token":"45.2\/II\/B\/8\/4\/45.2-837","metadata":false},{"id":55504,"structure_id":14031,"section_number":"45.2-838","catch_line":" Coursing of air","url":"\/45.2-838\/","token":"45.2\/II\/B\/8\/4\/45.2-838","metadata":false},{"id":75203,"structure_id":14031,"section_number":"45.2-839","catch_line":" Actions for excessive methane","url":"\/45.2-839\/","token":"45.2\/II\/B\/8\/4\/45.2-839","metadata":false},{"id":75918,"structure_id":14031,"section_number":"45.2-840","catch_line":" Crosscuts","url":"\/45.2-840\/","token":"45.2\/II\/B\/8\/4\/45.2-840","metadata":false},{"id":78688,"structure_id":14031,"section_number":"45.2-841","catch_line":" Permanent stoppings","url":"\/45.2-841\/","token":"45.2\/II\/B\/8\/4\/45.2-841","metadata":false},{"id":86254,"structure_id":14031,"section_number":"45.2-842","catch_line":" Ventilation controls","url":"\/45.2-842\/","token":"45.2\/II\/B\/8\/4\/45.2-842","metadata":false},{"id":59441,"structure_id":14031,"section_number":"45.2-843","catch_line":" Line brattice","url":"\/45.2-843\/","token":"45.2\/II\/B\/8\/4\/45.2-843","metadata":false},{"id":70834,"structure_id":14031,"section_number":"45.2-844","catch_line":" Ventilation with air from certain areas","url":"\/45.2-844\/","token":"45.2\/II\/B\/8\/4\/45.2-844","metadata":false},{"id":64318,"structure_id":14031,"section_number":"45.2-845","catch_line":" Worked-out areas","url":"\/45.2-845\/","token":"45.2\/II\/B\/8\/4\/45.2-845","metadata":false},{"id":74385,"structure_id":14031,"section_number":"45.2-846","catch_line":" Air quality","url":"\/45.2-846\/","token":"45.2\/II\/B\/8\/4\/45.2-846","metadata":false},{"id":71388,"structure_id":14031,"section_number":"45.2-847","catch_line":" Examination of mine for explosive gas and other hazardous conditions","url":"\/45.2-847\/","token":"45.2\/II\/B\/8\/4\/45.2-847","metadata":false},{"id":86482,"structure_id":14031,"section_number":"45.2-848","catch_line":" Tampering with methane monitoring devices prohibited; penalty","url":"\/45.2-848\/","token":"45.2\/II\/B\/8\/4\/45.2-848","metadata":false},{"id":66298,"structure_id":14031,"section_number":"45.2-849","catch_line":" Allowing persons to work in mine where methane monitoring equipment disconnected; penalty","url":"\/45.2-849\/","token":"45.2\/II\/B\/8\/4\/45.2-849","metadata":false},{"id":77699,"structure_id":14031,"section_number":"45.2-850","catch_line":" Intentionally bypassing a safety device; prohibition","url":"\/45.2-850\/","token":"45.2\/II\/B\/8\/4\/45.2-850","metadata":false},{"id":68872,"structure_id":14031,"section_number":"45.2-851","catch_line":" Control of coal dust","url":"\/45.2-851\/","token":"45.2\/II\/B\/8\/4\/45.2-851","metadata":false},{"id":79750,"structure_id":14031,"section_number":"45.2-852","catch_line":" Rock dusting","url":"\/45.2-852\/","token":"45.2\/II\/B\/8\/4\/45.2-852","metadata":false}],"previous_section":{"id":74385,"structure_id":14031,"section_number":"45.2-846","catch_line":" Air quality","url":"\/45.2-846\/","token":"45.2\/II\/B\/8\/4\/45.2-846","metadata":false},"next_section":{"id":86482,"structure_id":14031,"section_number":"45.2-848","catch_line":" Tampering with methane monitoring devices prohibited; penalty","url":"\/45.2-848\/","token":"45.2\/II\/B\/8\/4\/45.2-848","metadata":false},"metadata":false,"official_url":"https:\/\/law.lis.virginia.gov\/vacode\/45.2-847\/","history_text":"<p>The record of this law\u2019s original creation isn\u2019t available online. It has been modified 6 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 1954, chapter 191; in 1966, chapter 594; in 1978, chapters 118 and 120; in 1994, chapter <a href=\"https:\/\/legacylis.virginia.gov\/cgi-bin\/legp604.exe?941+ful+CHAP0028\">28<\/a>; in 1996, chapter <a href=\"https:\/\/legacylis.virginia.gov\/cgi-bin\/legp604.exe?961+ful+CHAP0774\">774<\/a>; in 1999, chapter <a href=\"https:\/\/legacylis.virginia.gov\/cgi-bin\/legp604.exe?991+ful+CHAP0256\">256<\/a>.<\/p>","references":false,"refers_to":[{"id":86474,"section_number":"45.2-520","catch_line":" Certification of certain persons employed in coal mines; powers and duties of the Board","order_by":null,"url":"\/45.2-520\/"}],"permalink":{"id":223623,"object_type":"law","relational_id":71388,"identifier":"45.2-847","token":"45.2\/II\/B\/8\/4\/45.2-847","url":"\/45.2-847\/","edition_id":1,"permalink":0,"preferred":1},"url":"\/45.2-847\/","token":"45.2\/II\/B\/8\/4\/45.2-847","dublin_core":{"Title":" Examination of mine for explosive gas and other hazardous conditions","Type":"Text","Format":"text\/html","Identifier":"\u00a7 45.2-847","Relation":"Code of Virginia"},"html":"\n\t\t\t\t\t\t<section id=\"A\"><p><span class=\"prefix-number\">A.<\/span> Every certified person whose regular duties require him to inspect working places in any mine for hazardous conditions shall have in his <span class=\"dictionary\">possession<\/span> and shall use, when underground, a permissible methane detector or other permissible device capable of detecting methane and oxygen deficiency. <a id=\"paragraph-257372\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-847\/#A\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t<section id=\"B\"><p><span class=\"prefix-number\">B.<\/span> A sufficient number of permissible methane detectors or other permissible devices capable of detecting methane shall be kept at each mine inby the last open crosscut. Every miner shall be trained in the operation of such devices. Every miner working inby the last open crosscut shall be certified by the Board of Coal Mining Examiners pursuant to &#xA7; <a class=\"law\" title=\" Certification of certain persons employed in coal mines; powers and duties of the Board\" href=\"\/45.2-520\/\">45.2-520<\/a> to conduct gas testing. <a id=\"paragraph-257373\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-847\/#B\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>\n\t\t\t\t\t\t<section id=\"C\"><p><span class=\"prefix-number\">C.<\/span> Every methane detector shall be maintained in permissible condition. Every methane detector shall be calibrated at least monthly in accordance with the manufacturer&#8217;s recommendations. A record of such calibration shall be made in a book for this purpose kept at a surface location at the mine and maintained for one year. <a id=\"paragraph-257374\" class=\"section-permalink\" href=\"https:\/\/vacode.org\/45.2-847\/#C\"><i class=\"fa fa-link\"><\/i><\/a><\/p><\/section>","plain_text":"                                 CODE OF VIRGINIA\n\n EXAMINATION OF MINE FOR EXPLOSIVE GAS AND OTHER HAZARDOUS CONDITIONS (\u00a7\n45.2-847)\n\nA. Every certified person whose regular duties require him to inspect working\nplaces in any mine for hazardous conditions shall have in his possession and\nshall use, when underground, a permissible methane detector or other permissible\ndevice capable of detecting methane and oxygen deficiency.\n\nB. A sufficient number of permissible methane detectors or other permissible\ndevices capable of detecting methane shall be kept at each mine inby the last\nopen crosscut. Every miner shall be trained in the operation of such devices.\nEvery miner working inby the last open crosscut shall be certified by the Board\nof Coal Mining Examiners pursuant to &#xA7; 45.2-520 to conduct gas testing.\n\nC. Every methane detector shall be maintained in permissible condition. Every\nmethane detector shall be calibrated at least monthly in accordance with the\nmanufacturer&#8217;s recommendations. A record of such calibration shall be made\nin a book for this purpose kept at a surface location at the mine and maintained\nfor one year.\n\nHISTORY: Code 1950, \u00a7\u00a7 45-32, 45-33, 45-60.4, 45-68.1, 45-69.7, 45-85.6; 1954,\nc. 191; 1966, c. 594, \u00a7\u00a7 45.1-35, 45.1-65; 1978, cc. 118, 120; 1994, c. 28, \u00a7\n45.1-161.231; 1996, c. 774; 1999, c. 256; 2021, Sp. Sess. I, c. 387.","edition":{"id":1,"name":"2025","slug":"2025","date_created":"2026-06-21 22:39:22","date_modified":"2026-06-21 22:39:22","current":1,"order_by":1,"last_import":null}}