HAZWOPER Hazard ID 2

Question 1

Which document provides workers with information about the hazards of chemicals they may be exposed to at a HAZWOPER site?

Accepted Answer

Safety Data Sheet (SDS)

Answer

Safety Data Sheets (SDS) provide detailed hazard, handling, and emergency information for specific chemicals per OSHA's Hazard Communication Standard.

Question 2

A worker notices an unknown liquid pooling near a drum. Which initial action BEST supports hazard identification?

Accepted Answer

Observe from a safe distance and note color, odor, and container markings

Answer

Observing from a safe distance while noting observable characteristics is the correct initial approach before closer investigation.

Question 3

What does the NFPA 704 diamond's blue quadrant indicate?

Accepted Answer

Health hazard

Answer

The blue quadrant of the NFPA 704 diamond indicates health hazard, rated 0 (minimal) to 4 (severe/lethal).

Question 4

Which of the following is a PRIMARY indicator that a chemical may be a corrosive hazard?

Accepted Answer

pH less than 2 or greater than 12.5

Answer

EPA and RCRA define corrosive hazardous waste as having a pH ≤ 2 or ≥ 12.5, indicating strong acid or base properties.

Question 5

When using air monitoring equipment at a HAZWOPER site, what does a PID (photoionization detector) primarily measure?

Accepted Answer

Total volatile organic compounds (VOCs) in parts per million

Answer

PIDs use UV light to ionize organic vapors and measure total VOC concentrations in parts per million (ppm).

(HAZWOPER) Certified HAZWOPER 40-Hour Instructor Practice Test

(HAZWOPER) Certified HAZWOPER 40-Hour Instructor Practice Test

HAZWOPER Hazard ID 2