1|Page
Hazwoper 8 hour Refresher Actual Exam Preparation
Newest 2025/ 2026 Complete 300 Questions And
Correct Answers With Rationales!! (Verified Answers)
|Already Graded A+|| Latest Exam!!||
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 - Answer-b
What is a hazardous substance?
A
Any substance defined under section 101(14) of CERCLA
B
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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
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 - Answer-e
All hazardous substances are hazardous wastes.
A
True
B
False - Answer-b
The floodwaters of Hurricane Katrina were polluted with
which of the following hazardous substances?
,3|Page
A
Petroleum
B
Dioxin
C
Mercury
D
Pesticides
E
All of the above - Answer-e
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
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SARA - Answer-a
Which of the following acts was passed in 1976 to protect
human health and the environment from the potential
hazards of waste disposal?
A
HSWA
B
RCRA
C
OSH Act
D
CERCLA - Answer-b
Which regulation deals with cleaning up inactive and
abandoned hazardous waste sites?
A
Solid Waste Disposal Act
B
Clean Air Act
C
Hazwoper 8 hour Refresher Actual Exam Preparation
Newest 2025/ 2026 Complete 300 Questions And
Correct Answers With Rationales!! (Verified Answers)
|Already Graded A+|| Latest Exam!!||
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 - Answer-b
What is a hazardous substance?
A
Any substance defined under section 101(14) of CERCLA
B
,2|Page
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
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 - Answer-e
All hazardous substances are hazardous wastes.
A
True
B
False - Answer-b
The floodwaters of Hurricane Katrina were polluted with
which of the following hazardous substances?
,3|Page
A
Petroleum
B
Dioxin
C
Mercury
D
Pesticides
E
All of the above - Answer-e
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
, 4|Page
SARA - Answer-a
Which of the following acts was passed in 1976 to protect
human health and the environment from the potential
hazards of waste disposal?
A
HSWA
B
RCRA
C
OSH Act
D
CERCLA - Answer-b
Which regulation deals with cleaning up inactive and
abandoned hazardous waste sites?
A
Solid Waste Disposal Act
B
Clean Air Act
C
