LATEST 2025/2026 HAZWOPER 8 HOUR REFRESHER
ACTUAL EXAM WITH ALL COMPLETE QUESTIONS
Page | 1 AND DETAILED CORRECT VERIFIED ANSWERS
(EXPERTLY VERIFIED) GUARANTEED PASS|ALREADY
TOP RATED A+.
HAZWOPER
Prepare efficiently for the HAZWOPER 8-hour refresher exam 2025/2026 with this actual exam resource.
Questions Covering essential hazardous waste operations, safety protocols, and regulatory updates to keep
you compliant.
Perfect for safety professionals renewing their certification.
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
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
Page | 2
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?
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
Page | 3 C
HSWA
D
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
CERCLA
D
Clean Water Act ...... ANSWER ....... c
, The U.S. EPA enforces the HAZWOPER Standard.
A
True
Page | 4 B
False ...... ANSWER ....... b
Which of the following standards does not usually apply to HAZWOPER situations?
A
Subpart O - Machinery and Machine Guarding
B
Subpart H - Hazardous Materials
C
Subpart I - Personal Protective Equipment
D
Subpart Z - Toxic and Hazardous Substances ...... ANSWER ....... a
The HAZWOPER Standard applies to:
A
Cleanup operations involving hazardous substances that are conducted at uncontrolled
hazardous waste sites
B
Corrective actions involving cleanup operations at sites covered by RCRA
C
Emergency response operations for releases or substantial threats of release of hazardous
substances regardless of location
D
Materials that are currently destined for disposal or recycling
E
All of the above
F
ACTUAL EXAM WITH ALL COMPLETE QUESTIONS
Page | 1 AND DETAILED CORRECT VERIFIED ANSWERS
(EXPERTLY VERIFIED) GUARANTEED PASS|ALREADY
TOP RATED A+.
HAZWOPER
Prepare efficiently for the HAZWOPER 8-hour refresher exam 2025/2026 with this actual exam resource.
Questions Covering essential hazardous waste operations, safety protocols, and regulatory updates to keep
you compliant.
Perfect for safety professionals renewing their certification.
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
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
Page | 2
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?
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
Page | 3 C
HSWA
D
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
CERCLA
D
Clean Water Act ...... ANSWER ....... c
, The U.S. EPA enforces the HAZWOPER Standard.
A
True
Page | 4 B
False ...... ANSWER ....... b
Which of the following standards does not usually apply to HAZWOPER situations?
A
Subpart O - Machinery and Machine Guarding
B
Subpart H - Hazardous Materials
C
Subpart I - Personal Protective Equipment
D
Subpart Z - Toxic and Hazardous Substances ...... ANSWER ....... a
The HAZWOPER Standard applies to:
A
Cleanup operations involving hazardous substances that are conducted at uncontrolled
hazardous waste sites
B
Corrective actions involving cleanup operations at sites covered by RCRA
C
Emergency response operations for releases or substantial threats of release of hazardous
substances regardless of location
D
Materials that are currently destined for disposal or recycling
E
All of the above
F
