reglab/housing_qa huggingface dataset:
CA Labor Code § 7865 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 7.5 - REFINERY AND CHEMICAL PLANTS|CHAPTER 2 - Process Safety Management Standards|Section 7865.

7865.  The employer shall develop and implement a written procedure governing the issuance of “hot work” permits. “Hot work” includes electric or gas welding, cutting, brazing, or similar flame- or spark-producing operations.(Added by Stats. 1990, Ch. 1632, Sec. 1.)
CA Labor Code § 7866 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 7.5 - REFINERY AND CHEMICAL PLANTS|CHAPTER 2 - Process Safety Management Standards|Section 7866.

7866.  The employer shall establish and implement written procedures to manage changes, except for replacements in kind, to process chemicals, technology, and equipment, and to make changes to facilities.(Added by Stats. 1990, Ch. 1632, Sec. 1.)
CA Labor Code § 7867 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 7.5 - REFINERY AND CHEMICAL PLANTS|CHAPTER 2 - Process Safety Management Standards|Section 7867.

7867.  The employer shall establish a written procedure for investigating every incident which results in, or, as determined by board criteria, could reasonably have resulted in, a major accident in the workplace. The procedure shall, at a minimum, require that a written report be prepared and be provided to all employees whose work assignments are within the facility where the incident occurred at the time the incident occurred and shall also include establishing a method for dealing with findings and recommendations.(Added by Stats. 1990, Ch. 1632, Sec. 1.)
CA Labor Code § 7868 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 7.5 - REFINERY AND CHEMICAL PLANTS|CHAPTER 2 - Process Safety Management Standards|Section 7868.

7868.  The employer shall establish and implement an emergency action plan. The employer may use the business plan for emergency response submitted pursuant to subdivision (a) of Section 25503.5 and subdivision (b) of Section 25505 of the Health and Safety Code if it meets the standards adopted by the board.(Added by Stats. 1990, Ch. 1632, Sec. 1.)
CA Labor Code § 7870 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 7.5 - REFINERY AND CHEMICAL PLANTS|CHAPTER 2 - Process Safety Management Standards|Section 7870.

7870.  Notwithstanding the availability of federal funds to carry out the purposes of this part, the division shall annually fix and collect reasonable fees for consultation, inspection, adoption of standards, and other duties conducted pursuant to this part. The fees shall be adopted by March 31, 2014. All revenue collected from these fees shall be deposited into the Occupational Safety and Health Fund. The fees shall be sufficient to support, at a minimum, the annual cost of 15 positions. The expenditure of these funds shall be subject to appropriation by the Legislature in the annual Budget Act or other measure.(Amended by Stats. 2013, Ch. 28, Sec. 44. (SB 71) Effective June 27, 2013.)
CA Labor Code § 7950 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7950.

7950.  This part shall be known and may be cited as “The Tom Carrell Memorial Tunnel and Mine Safety Act of 1972.”(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7951 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7951.

7951.  As used in this part:(a) Tunnel shall include excavation, construction, alteration, repairing, renovating, or demolishing of any tunnel except tunnel work covered under the compressed air safety orders adopted by the Occupational Safety and Health Standards Board and manhole construction.(b) “Tunnel” means an underground passageway, excavated by men and equipment working below the earth’s surface, that provides a subterranean route along which men, equipment, or substances can move.(c) “Mine” means any excavation or opening above or below ground used for removal of ore, minerals, gravel, sand, rock, or other materials intended for manufacturing or sale. It shall include quarries and open pit operations, other than a gravel pit or other pit where material is removed by a contractor or other person for his own use and not for sale to others. The term “mine” shall not include a mine that is operated exclusively by persons having a proprietary interest in such mine or by persons who are paid only a share of the profits from the mine, nor shall it include during any calendar year, any mine that produced less than five thousand dollars ($5,000) in ore, minerals, sand, rock, or other material during the preceding calendar year.(d) “Access shaft” means a vertical shaft used as a regular means of worker access to underground mines and tunnels under construction, renovation, or demolition.(e) “Lower explosive limit” means the lowest concentration at which a gas or vapor can be ignited or will explode.(f) “Face” means the head of the tunnel where soil is being removed, or that area in a mine where digging is underway.(g) “Muck” means excavated dirt, rock, or other material.(h) “Permissible equipment” means equipment tested and approved by the U.S. Bureau of Mines or acceptable to other authorities recognized by the division, and acceptable by the division, which is safe for use in gassy or extrahazardous tunnels or underground mines.(i) “Division” means the Division of Occupational Safety and Health.(j) “Board” means the Occupational Safety and Health Standards Board.(k) “Underground mine” means a mine that consists of a subterranean excavation.(Amended by Stats. 1980, Ch. 676.)
CA Labor Code § 7952 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7952.

7952.  There shall be within the division a separate unit of safety engineers trained to inspect all tunnel construction and mine operations.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7953 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7953.

7953.  Sufficient manpower shall be maintained to provide for four annual inspections of underground mines, one inspection of surface mines or quarries annually, and six inspections of tunnels under construction annually.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7954 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7954.

7954.  To assist the unit of safety engineers in determining the safety of tunnel construction and mine operation, the division shall make available at least one industrial hygiene engineer and one chemist. A laboratory for analysis of dust, gas, vapors, soil, or other materials shall be available to members of this unit. Contracts to provide for geological and other services may be signed by the division whenever it is necessary to assure safety for employees engaged in mining or tunnel work.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7956 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7956.

7956.  All personnel, including both employees working above ground and those in the tunnel or underground mine, shall be informed of the classification designated by the division for that job. A notice of the classification and any special orders, rules, or regulations to be used in construction, remodeling, demolition, or operation of the tunnel or underground mine shall be prominently posted at the site.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7957 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7957.

7957.  An emergency rescue plan shall be developed by the employer for every tunnel or underground mine. Such plan, including a current map of the tunnel or underground mine, shall be provided to local fire and rescue units, to the division, and to every employee at the place of employment.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7958 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7958.

7958.  A trained rescue crew of at least five men shall be provided at underground mines with more than 25 men or tunnels with 10 or more men underground at any one time. Smaller mines shall have one man for each 10 men underground who receives annual training in the use of breathing apparatus. Two trained crews shall be provided at mines with more than 50 men underground and at tunnels with more than 25 men underground.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7959 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7959.

7959.  Rescue crews shall be familiar with all emergency equipment necessary to effect a rescue or search for missing employees in case of an accident or explosion. Such rescue crews shall hold practices with equipment and using emergency rescue plan procedures at least once monthly during construction or operation of the tunnel or underground mines. At least one rescue crew shall be maintained above ground at all times and within 30 minutes travel of the tunnel or underground mine site classified as gassy or extrahazardous.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7960 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7960.

7960.  In any tunnel or underground mine classified as potentially gassy, tests for gas or vapors shall be made prior to start of work at each shift. If any concentration of gas at or above 10 percent of the lower explosive limit is recorded, the division shall be notified immediately.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7961 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7961.

7961.  The division shall investigate immediately any notification of a gas reading 10 percent of the lower explosive limit or higher by an employer in a tunnel or underground mine classified as potentially gassy. If the inspection determines the likelihood of encountering more gas or vapor, the division may halt operations until the tunnel or mine can be reclassified.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7962 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7962.

7962.  A safety representative qualified to recognize hazardous conditions and certified by the division shall be designated by the employer in any tunnel or underground mine. He shall have the authority to correct unsafe conditions and unsafe practices, and shall be responsible for directing the required safety programs.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7963 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7963.

7963.  All underground mines and tunnels with more than five men underground at one time shall have telephone or other communication systems to the surface in operation at any time there are persons underground. Such systems shall be installed in such a manner that destruction or removal of one phone or communication device does not make other phones or communication devices inoperative.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7964 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7964.

7964.  Whenever an access shaft is used as the normal means of entrance or exit to an underground mine or tunnel, it shall be constructed of fireproof material or fireproofed by chemical or other means.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7964.5 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 1 - Tunnels and Mines|Section 7964.5.

7964.5.  Nothing contained in this part shall restrict the division in contracting with the Secretary of the Interior for an approved state plan for mines under P.L. 89-577 (30 U.S.C. 721 et seq.).(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7965 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7965.

7965.  Any tunnel or underground mine classified by the division as gassy shall operate under special procedures adopted by the board, as well as rules, regulations, special orders, or general orders for nongassy underground mines and tunnels.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7966 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7966.

7966.  In any tunnel classified as gassy by the division, there shall be tests for gas or vapors taken prior to each shift and at least hourly during actual operation. If a mechanical excavator is used, gas tests shall be made prior to removal of muck or material and before any cutting or drilling in tunnels or underground mines where explosives are used. A log shall be maintained for inspection by the division showing results of each test. Whenever a tunnel excavation or underground mine operation approaches a geologic formation in which there is a likelihood of encountering gas or water, a probe hole at least 20 feet ahead of the tunnel face or area where material is being mined shall be maintained.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7967 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7967.

7967.  Whenever gas levels in excess of 10 percent of the lower explosive limit are encountered initially in a tunnel or underground mine classified as gassy, the division shall be notified immediately by telephone or telegraph. The chief of the division or his authorized representative may waive subsequent notification for gas readings less than 20 percent of the lower explosive limits upon a finding that adequate ventilation and other safety measures are provided to assure employee safety.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7968 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7968.

7968.  In any gassy tunnel or underground mine, the division may order work halted until adequate testing can be completed to determine the level of hazard from gases or vapors. A notice of such shutdown shall be filed by the division inspector with his superiors as soon as practicable. Any overruling of such order must be made by the chief or his designated representative and must be in writing. An onsite inspection must be made by the person overruling an inspector’s order prior to resumption of work.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7969 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7969.

7969.  In any gassy tunnel or underground mine the division shall review plans for electrical lighting and power for equipment. When it is necessary for safety, the inspector may require changes in the amount and type of lighting, and may require permissive-type wiring, switches, tools, and equipment.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7970 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7970.

7970.  In any tunnel or underground mine classified gassy, smoking shall be prohibited and the employer shall be responsible for collecting all personal sources of ignition such as lighters and matches from employees entering the tunnel.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7971 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7971.

7971.  Whenever there is any ignition of gas or vapor in a tunnel or underground mine, all work shall cease, employees shall be removed, and reentry except for rescue purposes shall be prohibited until the division has conducted an inspection and authorized reentry for maintenance or production in writing.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7972 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7972.

7972.  If the level of gas in any tunnel or underground mine reaches 20 percent of its lower explosive limit at any time all men shall be removed, the division notified immediately by telephone or telegram, and no one shall reenter the tunnel or underground mine until approval is given by the division.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7973 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7973.

7973.  In any tunnel or underground mine classified as gassy, all employees shall be informed of any special orders made by the division following an inspection. Such notice shall be given before entering the tunnel or underground mine. A copy of any orders subsequently written by the division shall be posted and all employees shall be notified at a safety meeting called by the safety representative before they are permitted to start work.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7974 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7974.

7974.  In any tunnel classified as gassy by the division, ventilation shall include continuous exhausting of fumes and air, unless an alternative ventilation plan which is as effective or better is approved by the division. Fans for this purpose shall be located at the surface, and shall be reversible from a single switch at the portal or shaft. These requirements shall not preclude the use of auxiliary fans to supply more air or greater exhaust to a tunnel or underground mine.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7975 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7975.

7975.  A “kill” button capable of cutting off all electrical equipment shall be maintained in any gassy tunnel or underground mine. The safety representative or his designated representative shall cut off power at any time gas or vapor levels reach 20 percent of the lower explosive limit or more. Before work is restarted every employee underground shall be informed of the level of gas or vapor recorded, and a permanent record shall be called to the surface and retained in a special log.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7976 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7976.

7976.  In any tunnel or underground mine classified as gassy, the division shall determine the number of fire extinguishers necessary and their locations.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7977 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7977.

7977.  Any tunnel or underground mine classified as extrahazardous by the division shall comply with the provisions for gassy tunnels in this chapter, as well as regulations, rules, special orders, and general orders of the division or board.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7978 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7978.

7978.  In any extrahazardous tunnel or underground mine smoking by employees or open flame shall be prohibited. Welding or cutting with arc or flame underground in other than fresh air shall be done under the direct supervision of qualified persons who shall test for gas and vapors before welding or cutting starts and continuously during such an operation. No cutting or welding shall be permitted in atmospheres where any concentration of gas or vapor reaches 20 percent of the lower explosive limit or more while a probe hole is being drilled or when the tunnel face or material from a mine is being excavated.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7979 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7979.

7979.  In tunnels or underground mines classified extrahazardous, sufficient air shall be supplied to maintain an atmosphere of all of the following conditions:(a) Not less than 19 percent oxygen.(b) Not more than 0.5 percent carbon dioxide.(c) Not more than 5 parts per million nitrogen dioxide.(d) No petroleum vapors or other toxic gases in concentrations exceeding the threshold limit values established annually by the American Conference of Governmental Industrial Hygienists.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7980 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7980.

7980.  All electrical equipment and machines, including diesel engines, used in tunnels or underground mines classified extrahazardous shall be permissible equipment. The division may, however, permit the use of nonpermissive equipment in a tunnel or underground mine in areas where it finds there is no longer danger from gas or other hazards.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7981 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7981.

7981.  An escape chamber or alternate escape route shall be maintained within 5,000 feet of the tunnel face or areas being used to excavate material in an underground mine classified as gassy or extrahazardous. Workers shall be provided with emergency rescue equipment and trained in its use.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7982 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7982.

7982.  Records of air flow and air sample tests to assure compliance with required standards shall be maintained by the employer at the site of any tunnel or underground mine classified extrahazardous. Such records shall be made available to any division representative upon request.(Added by Stats. 1972, Ch. 1430.)
CA Labor Code § 7983 (2021)
2021 California Code|Labor Code - LAB|DIVISION 5 - SAFETY IN EMPLOYMENT|PART 9 - TUNNEL AND MINE SAFETY|CHAPTER 2 - Gassy and Extrahazardous Tunnels|Section 7983.

7983.  The main fan line used for ventilation in any tunnel or underground mine classified extrahazardous shall contain a cutoff switch capable of halting all machinery underground automatically should the fan fail or its performance fall below minimum power needed to maintain a safe atmosphere.(Added by Stats. 1972, Ch. 1430.)