CPWM Hazardous Waste Management 4

Question 1

Under DOT regulations (49 CFR), which hazard class covers flammable liquids when shipped as hazardous materials?

Accepted Answer

Class 3

Answer

DOT Class 3 covers flammable liquids with a flash point at or below 60°C (140°F).

Question 2

What OSHA standard requires employers to train workers on hazardous chemicals in the workplace and provide Safety Data Sheets?

Accepted Answer

29 CFR 1910.1200 (Hazard Communication)

Answer

OSHA's Hazard Communication Standard (HazCom/GHS) requires SDS access and employee training on chemical hazards.

Question 3

Which OSHA standard specifically governs worker health and safety during hazardous waste operations and emergency response activities?

Accepted Answer

29 CFR 1910.120 (HAZWOPER)

Answer

HAZWOPER (29 CFR 1910.120) sets training, PPE, medical surveillance, and site safety plan requirements for hazardous waste workers.

Question 4

Under HAZWOPER, how many hours of initial training are required for workers who will be on-site during hazardous waste operations (not just occasional visitors)?

Accepted Answer

40 hours

Answer

General site workers involved in hazardous waste operations must complete 40 hours of initial off-site training plus 3 days of supervised field experience.

Question 5

A waste passes the TCLP for arsenic at 3.5 mg/L. The regulatory threshold is 5.0 mg/L. What is the correct determination?

Accepted Answer

The waste is not hazardous by toxicity characteristic for arsenic

Answer

A TCLP result below the regulatory threshold (5.0 mg/L for arsenic) means the waste does not exhibit the toxicity characteristic for that constituent.

(CPWM) Certified Professional in Waste Management Practice Test

(CPWM) Certified Professional in Waste Management Practice Test

CPWM Hazardous Waste Management 4