California Administrative Code

(a) The employer shall ensure that every reasonable effort is taken for the safety of employees, whether or not provided for in these orders. (b) All dangerous places shall be properly fenced off, covered over or otherwise safeguarded to control access to all openings to prevent …

(a) Only employees authorized by the employer and trained in the safe operation of cranes or hoisting apparatus shall be permitted to operate such equipment. (b) Trainees may be authorized to operate cranes or hoisting apparatus provided they are under the supervision of a qualif…

(a) Bolter and equalizer saws shall be provided with guards of 1-inch wood or equivalent material. The guard shall be secured to the carriage and entirely cover the saw disc when the carriage is in the loading position. Wipers shall be installed on both sides of the saw. (b) A de…

(a) Mobile storage tanks shall meet the requirements of Section 504 except that: (1) The design of saddles, bolsters, and/or other fastenings may be based on the empty weight of the tank for other than vertical loadings.(2) In addition to the requirements of Section 504 (f), ther…

Note: “Dismantling” includes dismantling for changing the length of booms and jibs. (a) None of the pins in the pendants are to be removed (partly or completely) when the pendants are in tension. (b) None of the pins (top or bottom) on boom sections located between the pendant at…

The employer shall establish, implement and maintain an Injury and Illness Prevention Program in accordance with the requirements of Section 3203 of the General Industry Safety Orders.

(a) Within 15 days following the service of the determination of adequacy of proof submitted in support of the request for recognition and any interventions, the employer shall file a written response with the regional office. (b) Service and proof of service of the response purs…

Scope. This Section applies to test weights manufactured for the purpose of proof load testing of cranes and derricks. (a) Test weights shall be legibly marked to indicate the documented weight. (b) Lifting attachments on test weights shall be visually inspected prior to each use…

(a) Processes or operations involving the use of oxidizing agents such as chlorates, perchlorates or peroxides, shall be effectively grounded. (b) The nozzle of air, high pressure water cleaning systems, grit cleaning systems, inert gas and steam lines or hoses, when used in the …

(a) A platform at least twenty-four inches (24″) wide shall be provided completely across any one side of the derrick or mast and approximately level with the top of the derrick or mast. Such platform shall provide access to the crown block sheaves and their lubricant feeders if …

(a) A safety belt and lanyard shall be provided for each employee working on a derrick or mast at a height more than ten feet (10′) above the derrick or mast floor or more than ten feet (10′) above the ground level if there is no floor. The employee shall be required to wear the …

(a) No employer shall knowingly or intentionally permit, and no person shall engage in, the smoking of tobacco products in an enclosed space at a place of employment. (b) For purposes of this section, an employer who permits any nonemployee access to his or her place of employmen…

(a) The Administrative Director may deny reappointment to a QME on any one or more of the following grounds: (1) Any grounds that would provide a basis for suspending or terminating a Physician's privilege to serve as a QME, as specified in paragraphs (1) through (6) of subdivisi…

(a) On crawler cranes, brakes or other locking means shall be maintained to hold the machine stationary during working cycles on level grade or while the machine is standing on maximum grade recommended for travel. Such brakes or locks shall be arranged to remain in engagement in…

(a) Stationary tanks shall be installed aboveground on firm masonry or concrete foundations, or on full length skids providing a bearing area limiting foundation loadings to not more than 2,000 pounds per square foot. Unless supported by continuous skids welded to pads on the tan…

All persons who handle or transport explosive materials shall be trained in the hazards of the job and safe performance of their duties. Trainees conducting blasting operations shall be under the direct supervision of a licensed blaster.

(a) Scope and application. This section shall apply to a job, process, or operation where a repetitive motion injury (RMI) has occurred to more than one employee under the following conditions: (1) Work related causation. The repetitive motion injuries (RMIs) were predominantly c…

(a) An employee organization and an employer may mutually agree that the proof submitted in support of a request for recognition or intervention be filed with a third party rather than the Public Employment Relations Board. Such agreement must be reached prior to the filing of th…

(a) Scope. The provisions in subsections (b) to (h) inclusive of this section shall apply within the following described hazardous locations: (1) The area within a radius of fifty feet (50′) of the casing of all drilling wells. (2) The area within a radius of twenty-five feet (25…

(a) Scaffolds and working platforms shall be of substantial construction and provided with guardrails and maintained in good condition. Floor boards shall be laid properly and the scaffolds and working platform shall not be overloaded. Working platforms shall be provided with toe…

Every bulk storage tank, dispensing tank, transportation tank and bulk delivery tank shall be provided with a suitable pressure gage. The pressure gage shall be installed in a special gage outlet installed permanently on the tank or tank system and having an opening not to exceed…

(a) Portable metal spars shall be of sufficient strength to support the actual dead and estimated live loads acting on them. (b) Evenly spaced fittings that accommodate no less than six top guys shall be provided on all vertical portable metal spars. (c) Fittings that accommodate…

The discharge from atmospheric vents shall be so located that any liquids, gases or vapors discharged will not endanger employees. Nothing in this Section shall prohibit the burning of flammable gases or vapors at flares.

(a) All devices which are used in anhydrous ammonia service shall be of a type and construction suitable for the use to which they are put. They shall preferably be listed by at least one nationally recognized testing laboratory such as, but not limited to, Underwriters Laborator…

(a) Where a corrosive substance is handled in an open container or drawn from a reservoir or pipe line, safe means shall be taken to neutralize or dispose of spills and overflows promptly. (b) Where heating, mixing or processing tanks in which liquid at a temperature above 140° F…

(a) Point of operation devices shall protect the operator by: (1) Preventing and/or stopping normal stroking of the press if the operator's hands are inadvertently placed in the point of operation; or (2) Preventing the operator from inadvertently reaching into the point of opera…

Wearing apparel and personal protective equipment shall meet the requirements of General Industry Safety Orders, Article 10.

(a) All explosive materials as defined in these orders, including industrial high explosives and any newly developed and unclassified explosives, shall be stored in the appropriate magazine as shown in Table EX-3. Magazines shall be constructed in conformity with the provisions o…

The Board shall serve on all interested parties pursuant to Section 51020 a notice of decision with either the decision of the Board itself or a final hearing officer decision.

Tank storage shall be designed, constructed, tested and installed in accordance with General Industry Safety Orders, Article 145.

(a) All requirements of NFPA 65-1980, “Standard for the Processing and Finishing of Aluminum,” incorporated herein by this reference, shall apply to operations where aluminum or aluminum alloys are subjected to processing or finishing operations which produce fine metallic powder…

These Mine Safety Orders supersede all previous Mine Safety Orders published in California Administrative Code, Title 8, Chapter 4, Subchapter 12, and the Quarry and Open Pit Mine Safety Orders, Chapter 4, Subchapter 17.

(a) The following definitions shall apply in the application of these Orders. Approved. Approved by the Division of Occupational Safety and Health. Berm. A pile or mount of material capable of restraining a vehicle. Bulkhead. A tight partition or stopping in a mine. Combustible. …

See General Industry Safety Orders, Section 5596.

(a) It shall be the responsibility of the employer to maintain all forge shop equipment in a condition which will insure continued safe operation. This responsibility includes: (1) Establishing periodic and regular maintenance safety inspections and keeping certification records …

When practicable, use shall be made of water, oil or chemicals in such noninjurious quantities, and with such frequency, as may be necessary to suppress and allay harmful dusts, fumes, mists, vapors, and gases wherever the provisions of 5141, 5143 and 5144 are impracticable or in…

Upon a demonstration of good cause by any party, the Standards Board, in its discretion, may exclude from the hearing room any witnesses not under examination at this time; but a party to the proceeding, and the party's counsel or representative cannot be excluded.

(a) Cylinders shall comply with DOT specifications and shall be maintained, filled, packaged, marked, labeled, and shipped to comply with 49 CFR Chapter 1 and Marking Portable Compressed Gas Containers to Identify the Material Contained, ANSI Z48.1-1954 (R1970). (b) Cylinders sha…

(a) Safety Fuse Initiation System. (1) Safety fuses shall not be ignited before explosive charges are in place. Exception: Avalanche blasting. (2) When blasting with safety fuse, consideration shall be given to the following: (A) the length and burning rate of the fuse; (B) the c…

Enclosures of all types of flour sifters shall be so constructed that they are dust-tight but readily accessible for interior inspection.

All requirements of NFPA 655-1982, “Prevention of Sulfur Fires and Explosions,” incorporated herein by this reference, shall apply to the crushing, grinding or pulverizing of sulfur and to the handling of sulfur. This standard shall not apply to the mining or transportation of su…

Where a helper is employed, his position shall be protected by: (a) A fixed barrier guard with controls. The control may be foot-operated and shall be interlocked with the primary control so that the machine cannot be started while the secondary control is activated. If the secon…

(a) No fuse except safety fuse shall be used for fuse cap blasting. (b) The average burning rate per foot of safety fuse used shall be determined by burning not less than three, 3-foot lengths of such fuse in open air at or near the blast area. Safety fuse which varies more than …

(a) Metal ladders shall be substantially constructed. Side rails shall have at least equal strength as that of No. 1 Select Douglas Fir, 2 inches by 4 inches in cross section. (b) Steps shall be secured to the side rails in such manner as to prevent them from coming loose. (c) Ro…

(a) Roadways and yard surfaces located below liquefied hydrogen piping, from which liquid air may drip, shall be constructed of noncombustible materials. (b) If protective walls are provided, they shall be constructed of noncombustible materials and in accordance with the provisi…

(a) Mechanical feed moulders shall be provided with hoppers so designed and connected to the proofer that an employee's hands cannot get into the hopper where they will come in contact with the inrunning rolls. (b) Hand-fed moulders shall be provided with a belt-feed device or th…

(a) High vapor pressure hydrocarbons shall not be loaded or unloaded into or from tank cars or trucks where flammable vapors may reach a source of ignition. (b) Each loading facility shall be provided with hose approved for such loading. Unless hose of the all metal type is used,…

(a) Buildings or other facilities used for mixing blasting agents, including mobile equipment, shall be located in accordance with the Quantity and Distance Table, Section 5252, unless the mobile equipment is in the process of loading blast holes. (1) Smoking, matches, open flame…

§ 10.11851. Notice. [Repealed] This database is current through 5/1/26 Register 2026, No. 18. Source: https://govt.westlaw.com/calregs/Document/I8AB3089A5C2F11EC9C68000D3A7C4BC3?viewType=FullText&originationContext=documenttoc&transitionType=CategoryPageItem&contextData=(sc.Defau…

(a) Scope and Application. This section establishes work practices, engineering methods, and other requirements for the control of employee exposure to coke oven emissions during the production of coke from coal. The requirements of this section are subject to the provisions of t…