8/25/26, 1:10 PM HAZWOPER 8 HOUR REFRESHER TEST ACTUAL TEST 2026 | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANS…
HAZWOPER 8 HOUR REFRESHER TEST ACTUAL
TEST 2026 | ALL QUESTIONS AND CORRECT
ANSWERS | VERIFIED ANSWERS | UPDATED
VERSION!
Terms in this set (311)
Which of the following is NOT a likely b
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
https://quizlet.com/1201671616/hazwoper-8-hour-refresher-test-actual-test-2026-all-questions-and-correct-answers-verified-answers-updated-version… 1/42
,8/25/26, 1:10 PM HAZWOPER 8 HOUR REFRESHER TEST ACTUAL TEST 2026 | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANS…
What is a hazardous substance? e
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
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
All hazardous substances are b
hazardous wastes.
A
True
B
False
https://quizlet.com/1201671616/hazwoper-8-hour-refresher-test-actual-test-2026-all-questions-and-correct-answers-verified-answers-updated-version… 2/42
,8/25/26, 1:10 PM HAZWOPER 8 HOUR REFRESHER TEST ACTUAL TEST 2026 | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANS…
The floodwaters of Hurricane Katrina e
were polluted with which of the
following hazardous substances?
A
Petroleum
B
Dioxin
C
Mercury
D
Pesticides
E
All of the above
The law that requires employers to a
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
https://quizlet.com/1201671616/hazwoper-8-hour-refresher-test-actual-test-2026-all-questions-and-correct-answers-verified-answers-updated-version… 3/42
, 8/25/26, 1:10 PM HAZWOPER 8 HOUR REFRESHER TEST ACTUAL TEST 2026 | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANS…
Which of the following acts was b
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
Which regulation deals with cleaning c
up inactive and abandoned
hazardous waste sites?
A
Solid Waste Disposal Act
B
Clean Air Act
C
CERCLA
D
Clean Water Act
The U.S. EPA enforces the b
HAZWOPER Standard.
A
True
B
False
https://quizlet.com/1201671616/hazwoper-8-hour-refresher-test-actual-test-2026-all-questions-and-correct-answers-verified-answers-updated-version… 4/42
HAZWOPER 8 HOUR REFRESHER TEST ACTUAL
TEST 2026 | ALL QUESTIONS AND CORRECT
ANSWERS | VERIFIED ANSWERS | UPDATED
VERSION!
Terms in this set (311)
Which of the following is NOT a likely b
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
https://quizlet.com/1201671616/hazwoper-8-hour-refresher-test-actual-test-2026-all-questions-and-correct-answers-verified-answers-updated-version… 1/42
,8/25/26, 1:10 PM HAZWOPER 8 HOUR REFRESHER TEST ACTUAL TEST 2026 | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANS…
What is a hazardous substance? e
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
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
All hazardous substances are b
hazardous wastes.
A
True
B
False
https://quizlet.com/1201671616/hazwoper-8-hour-refresher-test-actual-test-2026-all-questions-and-correct-answers-verified-answers-updated-version… 2/42
,8/25/26, 1:10 PM HAZWOPER 8 HOUR REFRESHER TEST ACTUAL TEST 2026 | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANS…
The floodwaters of Hurricane Katrina e
were polluted with which of the
following hazardous substances?
A
Petroleum
B
Dioxin
C
Mercury
D
Pesticides
E
All of the above
The law that requires employers to a
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
https://quizlet.com/1201671616/hazwoper-8-hour-refresher-test-actual-test-2026-all-questions-and-correct-answers-verified-answers-updated-version… 3/42
, 8/25/26, 1:10 PM HAZWOPER 8 HOUR REFRESHER TEST ACTUAL TEST 2026 | ALL QUESTIONS AND CORRECT ANSWERS | VERIFIED ANS…
Which of the following acts was b
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
Which regulation deals with cleaning c
up inactive and abandoned
hazardous waste sites?
A
Solid Waste Disposal Act
B
Clean Air Act
C
CERCLA
D
Clean Water Act
The U.S. EPA enforces the b
HAZWOPER Standard.
A
True
B
False
https://quizlet.com/1201671616/hazwoper-8-hour-refresher-test-actual-test-2026-all-questions-and-correct-answers-verified-answers-updated-version… 4/42