CWLP Warehouse Safety & Hazardous Materials Handling 2 — Questions and Answers
Question 1: Under OSHA's Hazard Communication Standard (HCS), what is the maximum number of pictograms allowed on a GHS-compliant label?
- 4
- 6
- 8 (Correct answer)
- No limit
Correct answer: 8
GHS allows up to 8 pictograms on a compliant hazard label, though in practice most labels use fewer.
Question 2: A warehouse worker discovers a leaking drum of an unknown liquid. What is the FIRST action they should take?
- Attempt to identify the substance by smell
- Evacuate the immediate area and notify the supervisor (Correct answer)
- Apply absorbent material directly to the spill
- Open nearby doors and windows to ventilate
Correct answer: Evacuate the immediate area and notify the supervisor
The first priority is to evacuate and notify a supervisor so trained personnel with proper PPE can assess the situation.
Question 3: What does the NFPA 704 'Blue' diamond quadrant indicate about a hazardous material?
- Flammability hazard
- Reactivity hazard
- Health hazard (Correct answer)
- Special hazard
Correct answer: Health hazard
The blue quadrant of the NFPA 704 diamond represents the health hazard rating on a scale of 0–4.
Question 4: Which OSHA standard specifically governs the handling and storage of flammable and combustible liquids in warehouses?
- 29 CFR 1910.119
- 29 CFR 1910.106 (Correct answer)
- 29 CFR 1910.1200
- 29 CFR 1910.38
Correct answer: 29 CFR 1910.106
29 CFR 1910.106 covers flammable and combustible liquids, including storage cabinets, quantities, and ventilation requirements.
Question 5: When storing oxidizers in a warehouse, they must be separated from flammable materials by at least how many feet, or a fire-rated barrier?
- 10 feet
- 20 feet
- 25 feet (Correct answer)
- 50 feet
Correct answer: 25 feet
NFPA and OSHA guidelines require a minimum 25-foot separation (or a 1-hour fire-rated barrier) between oxidizers and flammable materials.
Question 6: A Safety Data Sheet (SDS) Section 8 primarily provides information about:
- First-aid measures
- Physical and chemical properties
- Exposure controls and personal protective equipment (Correct answer)
- Ecological information
Correct answer: Exposure controls and personal protective equipment
SDS Section 8 covers Exposure Controls/Personal Protection, including occupational exposure limits and recommended PPE.
Question 7: Which type of fire extinguisher is appropriate for a Class D (combustible metal) fire in a warehouse?
- CO2 extinguisher
- Dry chemical (ABC) extinguisher
- Dry powder (Class D) extinguisher (Correct answer)
- Water mist extinguisher
Correct answer: Dry powder (Class D) extinguisher
Class D fires involving combustible metals require a specialized dry powder extinguishing agent rated for that class.
CWLP Warehouse Safety & Hazardous Materials Handling 2
Under OSHA's Hazard Communication Standard (HCS), what is the maximum number of pictograms allowed on a GHS-compliant label?