HAZWOPER 8hr REFRESHER COURSE |ACTUAL
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+
Question 1
Which of the following is NOT a likely cause of a hazardous substance accident?
A
Broken or rusted pipes
B
Following standard operating procedures
C
Faulty valves or transfer hoses
D
Leaking tank
CORRECT ANSWER
B
Question 2
What is a hazardous substance?
A
Any substance defined under section 101(14) of CERCLA
B
Any biological agent and other disease-causing agent that could cause death, disease,
behavioral abnormalities, cancer, genetic mutation, physiological malfunctions (including
malfunctions in reproduction), or physical deformations in exposed people or their offspring
C
1
@THE STUDY VAULT
,Any substance listed by the U.S. Department of Transportation as a hazardous material
under 49 CFR 172.101 and its appendices
D
Hazardous waste
E
All of the above
CORRECT ANSWER
E
Question 3
All hazardous substances are hazardous wastes.
A
True
B
False
CORRECT ANSWER
B
Question 4
The floodwaters of Hurricane Katrina were polluted with which of the following hazardous
substances?
A
Petroleum
B
Dioxin
C
2
@THE STUDY VAULT
,Mercury
D
Pesticides
E
All of the above
CORRECT ANSWER
E
Question 5
The law that requires employers to provide a workplace that is "free from recognized
hazards likely to cause death or serious physical harm" is known as:
A
OSH Act
B
RCRA
C
HSWA
D
SARA
CORRECT ANSWER
A
Question 6
Which of the following acts was passed in 1976 to protect human health and the
environment from the potential hazards of waste disposal?
A
3
@THE STUDY VAULT
, HSWA
B
RCRA
C
OSH Act
D
CERCLA
CORRECT ANSWER
B
Question 7
Which regulation deals with cleaning up inactive and abandoned hazardous waste sites?
A
Solid Waste Disposal Act
B
Clean Air Act
C
CERCLA
D
Clean Water Act
CORRECT ANSWER
C
Question 8
The U.S. EPA enforces the HAZWOPER Standard.
4
@THE STUDY VAULT
QUESTIONS AND VERIFIED ANSWERS|BRAND NEW
2026-2027 UPDATE|GRADED A+
Question 1
Which of the following is NOT a likely cause of a hazardous substance accident?
A
Broken or rusted pipes
B
Following standard operating procedures
C
Faulty valves or transfer hoses
D
Leaking tank
CORRECT ANSWER
B
Question 2
What is a hazardous substance?
A
Any substance defined under section 101(14) of CERCLA
B
Any biological agent and other disease-causing agent that could cause death, disease,
behavioral abnormalities, cancer, genetic mutation, physiological malfunctions (including
malfunctions in reproduction), or physical deformations in exposed people or their offspring
C
1
@THE STUDY VAULT
,Any substance listed by the U.S. Department of Transportation as a hazardous material
under 49 CFR 172.101 and its appendices
D
Hazardous waste
E
All of the above
CORRECT ANSWER
E
Question 3
All hazardous substances are hazardous wastes.
A
True
B
False
CORRECT ANSWER
B
Question 4
The floodwaters of Hurricane Katrina were polluted with which of the following hazardous
substances?
A
Petroleum
B
Dioxin
C
2
@THE STUDY VAULT
,Mercury
D
Pesticides
E
All of the above
CORRECT ANSWER
E
Question 5
The law that requires employers to provide a workplace that is "free from recognized
hazards likely to cause death or serious physical harm" is known as:
A
OSH Act
B
RCRA
C
HSWA
D
SARA
CORRECT ANSWER
A
Question 6
Which of the following acts was passed in 1976 to protect human health and the
environment from the potential hazards of waste disposal?
A
3
@THE STUDY VAULT
, HSWA
B
RCRA
C
OSH Act
D
CERCLA
CORRECT ANSWER
B
Question 7
Which regulation deals with cleaning up inactive and abandoned hazardous waste sites?
A
Solid Waste Disposal Act
B
Clean Air Act
C
CERCLA
D
Clean Water Act
CORRECT ANSWER
C
Question 8
The U.S. EPA enforces the HAZWOPER Standard.
4
@THE STUDY VAULT
