CRC Safety Regulations & OSHA Compliance 2 — Questions and Answers
Question 1: Under OSHA's Hazard Communication Standard (HazCom), what must employers provide to workers who are exposed to hazardous chemicals?
- Safety Data Sheets (SDS) and proper training (Correct answer)
- Only verbal warnings about chemical dangers
- A list of chemical names posted in the break room
- Monthly newsletters describing chemical hazards
Correct answer: Safety Data Sheets (SDS) and proper training
OSHA's HazCom Standard (29 CFR 1910.1200) requires employers to provide Safety Data Sheets, proper labeling, and training for all hazardous chemicals in the workplace.
Question 2: What is the minimum height at which OSHA requires fall protection for workers on residential construction sites?
- 6 feet (Correct answer)
- 4 feet
- 10 feet
- 8 feet
Correct answer: 6 feet
OSHA's residential construction fall protection standard (29 CFR 1926.502) requires fall protection when workers are exposed to falls of 6 feet or more.
Question 3: Which OSHA standard specifically governs scaffolding used in construction?
- 29 CFR 1926.451 (Correct answer)
- 29 CFR 1910.28
- 29 CFR 1926.100
- 29 CFR 1910.147
Correct answer: 29 CFR 1926.451
29 CFR 1926.451 is OSHA's construction scaffolding standard, covering design, erection, use, and dismantling requirements.
Question 4: A contractor discovers a trench that is 6 feet deep and 4 feet wide in sandy soil. What is the OSHA-required slope angle (H:V ratio) for Type C soil?
- 1.5:1 (Correct answer)
- 0.75:1
- 1:1
- 0.5:1
Correct answer: 1.5:1
OSHA requires a 1.5:1 (horizontal to vertical) slope ratio for Type C soil, which includes sandy or gravelly soils prone to collapse.
Question 5: What is the OSHA requirement for the maximum weight that a scaffold plank must be able to support without failure?
- Four times the intended load (Correct answer)
- Two times the intended load
- Three times the intended load
- Five times the intended load
Correct answer: Four times the intended load
OSHA 29 CFR 1926.451 requires scaffold planks and platforms to be capable of supporting at least four times the maximum intended load without failure.
Question 6: Under OSHA's Lead in Construction standard, at what airborne lead concentration must employers implement engineering controls and work practices?
- The action level of 30 µg/m³ (Correct answer)
- The PEL of 50 µg/m³
- Any detectable level above 0 µg/m³
- The STEL of 100 µg/m³
Correct answer: The action level of 30 µg/m³
OSHA's lead standard (29 CFR 1926.62) requires implementation of engineering controls and work practices when lead exposure reaches the action level of 30 µg/m³ as an 8-hour TWA.
Question 7: When must a contractor provide a portable fire extinguisher on a construction site, according to OSHA?
- Within 100 feet of all temporary heating equipment (Correct answer)
- Only when flammable liquids exceed 5 gallons
- Only in enclosed structures, not open-air sites
- Whenever more than 10 workers are on site
Correct answer: Within 100 feet of all temporary heating equipment
OSHA 29 CFR 1926.150 requires portable fire extinguishers within 100 feet of all temporary heating equipment used on construction sites.
CRC Safety Regulations & OSHA Compliance 2
Under OSHA's Hazard Communication Standard (HazCom), what must employers provide to workers who are exposed to hazardous chemicals?