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1. Which document is required for EVERY California employer with one or more employees?

California Labor Code §6401.7 requires every employer to establish, implement, and maintain an Injury and Illness Prevention Program (IIPP). This is the foundation of California's workplace safety system.

2. Cal/OSHA may inspect a workplace:

Cal/OSHA compliance officers may inspect workplaces without advance notice at any reasonable time. Employers are generally required to grant entry. An imminent hazard inspection may occur at any time.

3. At what height above a lower level does California require fall protection for employees in the construction industry?

Cal/OSHA requires fall protection (guardrails, safety nets, personal fall arrest systems) when employees are working at heights of 6 feet or more above a lower level in construction.

4. An excavation or trench that is 5 feet deep or deeper must be:

Cal/OSHA requires protective systems (shoring, sloping/benching, or trench boxes) for all excavations and trenches 5 feet or more deep where workers will enter. Unprotected trenches are a leading cause of fatalities.

5. A "permit-required confined space" in construction is one that:

Permit-required confined spaces contain or may contain hazardous atmospheres, material that could engulf a worker, or other serious hazards. Special entry procedures, monitoring, and rescue plans are required.

6. Employers must provide safety data sheets (SDS) for all hazardous chemicals in the workplace. An SDS must contain how many sections according to the GHS standard?

The Globally Harmonized System (GHS) requires standardized 16-section Safety Data Sheets (SDS). Cal/OSHA's Hazard Communication Standard (HazCom) aligns with this format.

7. Under California heat illness prevention regulations, employers must provide outdoor workers with water, shade, and access to cool-down rest when the temperature reaches:

Cal/OSHA's heat illness prevention standard requires water, shade, and cool-down periods for outdoor workers when temperatures reach 80°F. High-heat procedures kick in at 95°F.

8. A contractor is cited by Cal/OSHA for a "willful violation." This means the violation was:

A willful violation is one committed knowingly, intentionally, or with plain indifference to Cal/OSHA regulations. Willful violations carry much higher penalties than other violation types.

9. Which type of scaffolding requires specific training before workers can erect, disassemble, or use it?

Cal/OSHA requires that all scaffolding be erected and used under the supervision of a competent person, with specific training for workers. This applies to all scaffolding types and heights.

10. Personal Protective Equipment (PPE) on a construction site must be:

California requires employers to provide all required personal protective equipment at no cost to employees. This includes hard hats, safety glasses, gloves, hearing protection, and respirators when required.

11. An employer must record a work-related injury on OSHA Form 300 (Log of Work-Related Injuries) if the injury results in:

OSHA recordkeeping requires documenting injuries and illnesses that result in death, days away from work, restricted duty, job transfer, loss of consciousness, or medical treatment beyond first aid.

12. What is the primary purpose of a "toolbox talk" on a construction job site?

Toolbox talks (also called tailgate meetings) are short, informal safety meetings typically held at the start of a shift to address specific hazards, near-misses, or safety topics relevant to the day's work.

13. Which of the following is the employer's responsibility under California's Hazard Communication (HazCom) standard?

HazCom requires employers to: maintain a written program, ensure all containers are labeled, make SDS accessible to workers, and provide employee training on chemical hazards in the workplace.

14. A Cal/OSHA compliance officer arrives at a job site. The contractor should:

Employers are generally required to allow Cal/OSHA compliance officers to inspect their workplaces. Refusing entry without good cause can result in a warrant and additional penalties.

15. A contractor must keep OSHA 300 logs and related documents for:

OSHA requires employers to retain injury and illness records (Form 300, 300A, and 301) for five years following the end of the calendar year they cover.

16. An employee on a contractor's job site suffers a serious injury that requires hospitalization. Within how many hours must the employer report it to Cal/OSHA?

Labor Code §6409.1 requires an employer to report any serious injury, illness, or death of an employee to the nearest Cal/OSHA district office within 8 hours of learning of it.

17. Which of the following is NOT a required element of a written Injury and Illness Prevention Program (IIPP)?

8 CCR §3203 requires an IIPP to include hazard identification, accident investigation, hazard correction, training, communication, and an assignment of responsibility. A list of bid contracts is unrelated to the IIPP.

18. Under the IIPP standard, when must an employer provide safety training to employees?

8 CCR §3203 requires training when the IIPP is first established, to each new employee, whenever a new substance or process creates a new hazard, and whenever an employee is given a new job assignment for which they were not trained.

19. A contractor's IIPP must identify a person responsible for implementing the program. What is this requirement intended to ensure?

8 CCR §3203 requires the IIPP to identify the person or persons with authority and responsibility for implementing the program, so that safety responsibilities are clearly assigned and not left to chance.

20. Cal/OSHA classifies a violation as "general" when it:

A general violation has a direct relationship to job safety and health but is not likely to cause death or serious physical harm. A serious violation involves a substantial probability of death or serious harm; a willful violation is committed knowingly.

21. A contractor is cited by Cal/OSHA for the same violation it was cited for two years earlier. This is most likely classified as a:

A repeat violation occurs when an employer is cited for a substantially similar violation within a defined look-back period after a previous final citation. Repeat violations carry substantially increased penalties.

22. A worker on a job site finds a container of solvent with no label. Under the Hazard Communication Standard, what should the worker do?

8 CCR §5194 requires every container of a hazardous chemical to be labeled with the identity of the chemical and appropriate hazard warnings. An unlabeled container should not be used until it is properly identified and labeled.

23. Who is responsible for obtaining and maintaining the Safety Data Sheets (SDS) for hazardous chemicals used at a job site?

Under 8 CCR §5194, the employer must obtain or develop an SDS for each hazardous chemical used and ensure that SDSs are readily accessible to employees during their work shifts in their work area.

24. A contractor performs renovation that disturbs lead-based paint in a building. Cal/OSHA's lead in construction standard requires the employer to:

8 CCR §1532.1 (Lead in Construction) requires employers to assess worker exposure to lead, and where exposure exceeds limits, to provide controls, training, respiratory protection, hygiene facilities, and medical surveillance.

25. Before disturbing material in a building constructed in the 1960s that may contain asbestos, a contractor should FIRST:

Asbestos-containing materials were common in older construction. Cal/OSHA requires that suspect materials be presumed asbestos-containing or tested before disturbance, and asbestos work must be performed by properly registered and trained personnel.

26. A contractor with employees plans to perform asbestos abatement work. Before doing so, the contractor must be:

Contractors performing asbestos-related work involving 100 square feet or more must be registered to perform asbestos work and use trained, certified workers. This protects workers and the public from asbestos exposure.

27. Under California's heat illness prevention standard, when the temperature reaches 95°F, an employer must implement "high-heat procedures." These procedures include:

8 CCR §3395 high-heat procedures (triggered at 95°F) include effective communication, observing employees for heat illness signs, reminding workers to drink water, and ensuring an effective emergency response.

28. When shade is required under the heat illness prevention standard, the shade provided must be:

8 CCR §3395 requires shade that is either open to the air or provided with ventilation/cooling, located as close as practicable to the work area, and sufficient to accommodate the number of employees on a recovery, rest, or meal period.

29. The heat illness prevention standard requires employers to provide outdoor workers with how much drinking water?

8 CCR §3395 requires employers to provide enough fresh, pure, and suitably cool potable water so that each employee can drink at least one quart (four 8-ounce cups) per hour for the entire shift.

30. A roofer is working on a low-slope roof 12 feet above the ground with no guardrails or safety nets in place. To comply with Cal/OSHA, the employer must ensure the worker:

8 CCR §1670 requires fall protection for construction work at 6 feet or more above a lower level. Acceptable methods include guardrails, safety nets, or a personal fall arrest system. At 12 feet, fall protection is mandatory.

31. Before workers enter a trench 6 feet deep, who must classify the soil and select an appropriate protective system?

8 CCR §1541.1 requires a competent person — one capable of identifying hazards and authorized to take prompt corrective action — to classify soil and select protective systems such as sloping, shoring, or shielding for excavations.

32. When a trench is 4 feet or more deep, Cal/OSHA requires a safe means of egress (such as a ladder or ramp) to be located within how far of any worker?

8 CCR §1541 requires that for trench excavations 4 feet or more deep, a stairway, ladder, ramp, or other safe means of egress be located so workers travel no more than 25 feet laterally to reach it.

33. Before excavation begins, a contractor is required to determine the location of underground utility lines. The contractor should:

California law requires excavators to notify the regional notification center (USA / 811) at least two working days before excavating so utilities can be marked, preventing strikes that cause injury and service disruption.

34. Before a worker enters a permit-required confined space, the employer must FIRST:

8 CCR §5157 requires that the atmosphere of a permit-required confined space be tested before entry for oxygen levels, flammable gases/vapors, and toxic air contaminants, with continuous or periodic monitoring as needed.

35. During a permit-required confined space entry, the role of the "attendant" is to:

8 CCR §5157 requires an attendant to remain outside the confined space during entry operations, maintain communication with entrants, monitor conditions, and order evacuation and summon rescue when a hazard is detected.

36. Which of the following injuries would generally NOT be recordable on the Cal/OSHA Form 300 log?

Under 8 CCR §14300, a case is recordable if it results in death, days away, restricted work, job transfer, loss of consciousness, or medical treatment beyond first aid. A minor cut treated with only first aid is generally not recordable.

37. The OSHA Form 300A is the annual summary of work-related injuries and illnesses. When must an employer post this summary in the workplace?

8 CCR §14300.32 requires the Form 300A annual summary to be posted in a conspicuous location from February 1 to April 30 of the year following the year the records cover.

38. Employers in California must provide required Personal Protective Equipment (PPE) to employees at:

California law requires employers to provide required PPE to employees at no cost. Charging employees for required protective equipment is not permitted.

39. On a construction site, who is primarily responsible for keeping the work area free of debris, scrap material, and tripping hazards?

Cal/OSHA construction safety orders require employers to maintain good housekeeping, keeping work areas, passageways, and stairs free of debris and obstructions to prevent slips, trips, and falls.

40. A contractor's employee reports an unsafe condition on the job. Under the IIPP communication requirement, the employer must:

8 CCR §3203 requires a system for communicating with employees on safety matters, including encouraging employees to report hazards without fear of reprisal. Retaliation against employees for raising safety concerns is unlawful.

41. An employee files a safety complaint with Cal/OSHA. The employer then fires the employee because of the complaint. This action is:

Labor Code §6310 prohibits an employer from discharging or discriminating against an employee for filing a safety complaint or otherwise exercising rights under occupational safety laws. Such retaliation is unlawful.

42. A scaffold platform must generally be capable of supporting, without failure, its own weight plus at least:

Cal/OSHA scaffold standards require scaffolds and their components to support, without failure, their own weight plus at least four times the maximum intended load. This safety factor guards against collapse.

43. A portable straight ladder must extend how far above the upper landing surface it is used to access?

Cal/OSHA ladder safety orders require a portable ladder used to access an upper landing to extend at least 36 inches above the landing surface, providing a secure handhold for getting on and off the ladder.

44. When using an extension ladder leaned against a wall, the recommended angle places the base of the ladder approximately what fraction of the working length away from the wall?

The 4-to-1 rule recommends that for every 4 feet of ladder working length, the base should be set 1 foot out from the wall. This roughly 75-degree angle provides stability and reduces the risk of the ladder slipping.

45. Lockout/tagout (LOTO) procedures are used during the servicing of machinery or equipment primarily to:

Lockout/tagout procedures control hazardous energy sources (electrical, hydraulic, mechanical, etc.) by isolating and locking them during servicing, so equipment cannot start unexpectedly and injure a worker.

46. What is the minimum safe clearance a worker or piece of equipment must maintain from overhead power lines carrying up to 50,000 volts?

Cal/OSHA high-voltage safety orders require a minimum clearance of at least 10 feet from overhead lines rated up to 50 kV. Greater clearances are required for higher voltages. Contacting power lines is a leading cause of electrocution.

47. Ground-fault circuit interrupters (GFCIs) are required on construction site power outlets primarily to protect workers from:

GFCIs detect imbalances in electrical current (ground faults) and quickly cut power, protecting workers from electric shock. Cal/OSHA requires GFCI protection or an assured equipment grounding program on construction sites.

48. Cal/OSHA requires construction employers to have a written, site-specific document addressing the hazards of the particular job. This document is the:

8 CCR §1509 requires every construction employer to have an effective IIPP and a Code of Safe Practices relevant to the employer's operations, posted at the job site or readily available to employees.

49. The recognized order of preference for controlling a workplace hazard (the "hierarchy of controls") places which method LAST, as the least preferred?

In the hierarchy of controls, elimination and substitution are most effective, followed by engineering controls and administrative controls. PPE is the least preferred because it relies on worker behavior and does not remove the hazard.

50. Under the Hazard Communication Standard, the standardized pictograms found on chemical container labels are used to:

8 CCR §5194 adopts the GHS label system, which uses standardized pictograms (such as flame, skull and crossbones, or corrosion symbols) to communicate at a glance the physical and health hazards of a chemical.

51. An employee transfers a hazardous cleaning solvent from its original labeled drum into a portable spray bottle for use during the same shift. Under HazCom, the spray bottle:

8 CCR §5194 allows an exemption for portable containers into which a hazardous chemical is transferred for the immediate use of the employee who performs the transfer within that work shift; otherwise, secondary containers must be labeled.

52. A crew encounters a buried drum of unknown liquid material while excavating. The safest course of action is to:

Unknown materials must be treated as potentially hazardous. Cal/OSHA and hazardous waste rules require stopping work, restricting access, and having qualified personnel identify and handle the material before disturbing or disposing of it.

53. Silica dust generated by cutting, grinding, or drilling concrete is a serious health hazard. An effective way to reduce worker exposure to respirable crystalline silica is to:

Respirable crystalline silica can cause silicosis and lung disease. Cal/OSHA requires engineering controls such as water (wet methods) and vacuum dust-collection systems, plus respiratory protection where exposures remain high.

54. Before an employee may be required to wear a respirator on the job, Cal/OSHA's respiratory protection standard generally requires:

Cal/OSHA's respiratory protection standard requires a written program, a medical evaluation to determine the worker can safely wear a respirator, fit testing for tight-fitting respirators, and training on proper use and maintenance.

55. After a workplace accident, the IIPP standard requires the employer to:

8 CCR §3203 requires the IIPP to include procedures for investigating occupational injuries and illnesses, so the employer can identify causes and correct hazards to prevent recurrence.

56. A contractor employs workers across several job sites. The IIPP training records the contractor keeps should include:

Cal/OSHA expects employers to document IIPP training, including employee names, training dates, and the topics covered. Good records demonstrate compliance and help verify that training requirements have been met.

57. A willful violation of a Cal/OSHA standard that causes the death of an employee can subject the employer to:

Labor Code §6425 provides that an employer who willfully violates an occupational safety standard, causing death or permanent serious injury, may be subject to criminal prosecution, including substantial fines and possible imprisonment.

58. If a Cal/OSHA inspection reveals an "imminent hazard" that could cause death or serious harm, Cal/OSHA may:

When Cal/OSHA finds an imminent hazard, it may issue an Order Prohibiting Use, restricting or shutting down the dangerous operation, equipment, or area until the hazard is abated to protect workers from immediate danger.

59. When a Cal/OSHA inspection results in a citation, the employer is generally required to:

An employer that receives a Cal/OSHA citation must post it at or near the site of the violation so employees are informed, and must either correct (abate) the hazard by the stated deadline or file a timely appeal.

60. On a construction site, a floor or roof opening through which a person could fall must be:

Cal/OSHA requires floor, roof, and skylight openings to be protected by covers capable of supporting the intended loads and secured against displacement, or by guardrails, to prevent fall-through injuries.

61. A standard guardrail system used for fall protection on a construction site generally consists of:

Cal/OSHA standard guardrails generally consist of a top rail roughly 42 inches above the walking surface, a midrail at about half that height, and toeboards where there is a danger of falling objects, supported to withstand required loads.

62. A personal fall arrest system used on a construction project must include which of the following components?

A compliant personal fall arrest system consists of an anchorage, connectors, and a full-body harness, and may include a lanyard, deceleration device, or lifeline. Body belts are not acceptable for fall arrest.

63. California's heat illness prevention regulation requires employers to provide training to supervisors and employees on:

8 CCR §3395 requires employers to train all supervisory and non-supervisory employees on heat illness risk factors, prevention, the importance of water and rest, recognizing symptoms, and emergency response procedures.

64. An employee shows signs of heat exhaustion — heavy sweating, dizziness, and nausea — while working outdoors. The employer's most appropriate immediate response is to:

Heat illness can progress rapidly to a life-threatening emergency. Cal/OSHA heat illness procedures require relieving the worker, moving them to shade, providing water and cooling, monitoring, and obtaining emergency medical services if symptoms do not improve or worsen.

65. On a job site where workers are exposed to high noise levels for extended periods, the employer should:

Cal/OSHA requires employers to control occupational noise exposure. When exposures exceed action levels, employers must provide hearing protection and implement a hearing conservation program including monitoring and audiometric testing.

66. A contractor must ensure that a portable fire extinguisher on a construction site is:

Cal/OSHA fire-protection orders require employers to provide portable fire extinguishers appropriate to the type of fire hazard, keep them readily accessible, and ensure they are regularly inspected, maintained, and in working condition.

67. A general contractor on a multi-employer construction site is generally responsible for:

Under Cal/OSHA's multi-employer worksite policy, a controlling employer such as a general contractor can be cited for hazards it creates, controls, or has the authority to correct, even when the exposed workers are employed by subcontractors.

68. When required to wear head protection on a construction site, a worker must use a:

Cal/OSHA requires approved head protection where there is a risk of head injury from falling or flying objects or electrical hazards. Hard hats must meet recognized industry (ANSI) standards for impact and, where needed, electrical protection.

69. Excavated soil (spoil pile) and other materials must be kept at least how far from the edge of a trench?

8 CCR §1541 requires excavated material and equipment to be kept at least 2 feet back from the edge of an excavation, or otherwise restrained, to keep loads from falling on workers and adding surcharge load that can cause cave-ins.

70. A trench excavation must be inspected by a competent person:

8 CCR §1541.1 requires a competent person to inspect excavations, adjacent areas, and protective systems daily before each shift, and as needed throughout the shift after rainstorms or any occurrence that could increase hazards.

71. A contractor receives a Cal/OSHA citation it believes is incorrect. The contractor's proper remedy is to:

An employer that disagrees with a Cal/OSHA citation may appeal it to the California Occupational Safety and Health Appeals Board within the time allowed; the appeal must be filed timely to preserve the right to contest.

72. Section 2 of a 16-section Safety Data Sheet is titled "Hazard Identification." Which section would a worker check to find First-Aid Measures?

The standardized 16-section SDS format places First-Aid Measures in Section 4. Knowing the consistent SDS layout helps workers quickly find critical safety information in an emergency.

73. After identifying an unsafe condition on a job site, the IIPP standard requires the employer to:

8 CCR §3203 requires the IIPP to include procedures to correct unsafe or unhealthy conditions in a timely manner based on the severity of the hazard, with imminent hazards corrected immediately.