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HAZWOPER Final Exam 2025 — OSHA
Hazardous Waste Operations & Emergency
Response Study Guide and Practice Test
Prepare for the HAZWOPER Final Exam 2025 with a complete study guide, practice
questions, and exam tips. Master key OSHA HAZWOPER standards, hazardous waste
safety procedures, chemical handling, emergency response, and personal protective
equipment to pass your certification and work safely in hazardous environments.
• HAZWOPER final exam 2025
• HAZWOPER OSHA training exam
• Hazardous waste operations practice test
• HAZWOPER certification study guide
The Level of Protection that provides the highest degree of respiratory and skin protection
against gases and vapors is? - ANSWER-Level A
A written comprehensive PPE program should include? - ANSWER-Medical monitoring, Hazard
identification, Decontamination procedures
Selection of chemical protective clothing will depend on the chemicals present and the tasks to
be accomplished.! - ANSWER-True
Heat stress on the human body includes both "heat exhaustion" and "heat stroke." Which
statement about "heat stroke" is true? - ANSWER-Heat stroke is a life-threatening emergency
,2|Page
Over-protection and under-protection can be hazardous and should be considered carefully
when selecting chemical protective clothing. - ANSWER-True
Selection of a chemical resistant glove is intended to protect the wearer ___. - ANSWER-Against
specific chemicals
Chemical reactions can degrade some protective clothing. - ANSWER-True
Which of the following factors regarding PPE utilization can the wearer directly control? -
ANSWER-Type of protective ensemble selected
Wearing Chemical Protective Clothing (CPC) prevents what route of exposure to hazardous
materials? - ANSWER-Skin
The primary purpose of quantitative or qualitative fit testing is to identify the specific model,
make, and size of respirator that best suites each person. - ANSWER-False
A person's eyes are better protected by which of the following respirators? - ANSWER-Full face
Methanol has a TLV of 200 ppm; the odor of methanol is not detected until a concentration of
2000 ppm in air is reached. For protection, the best respirator to wear is which of the following?
- ANSWER-A SAR with escape bottle
It is permissible to modify a respirator to make a different brand of cartridge to fit the respirator.
- ANSWER-False
Select the incorrect statement relating to respirators. - ANSWER-You must wear contact lenses
instead of glasses when wearing any type of respirator
,3|Page
MUC stands for which of the following? - ANSWER-Maximum use concentration
A respirator fit check consisting of covering the cartridge openings and inhaling for 5 to 10
seconds to feel the mask pulling snugly against the face is called a negative pressure fit check. -
ANSWER-True
Positive-pressure atmosphere-supplying respirators are designed to maintain a positive pressure
in the facepiece during both inhalation and exhalation. - ANSWER-True
Chemical "X" has an odor threshold of 150 ppm and a TLV of 75 ppm, what is the significance of
this information? - ANSWER-The TLV exposure is reached before you are able to smell the
chemical
The monitoring requirements for an employee dressed in Level A PPE require which of the
following? - ANSWER-Oral temperature, blood pressure, heart rate, body weight loss (water)
Using Level C personal protective equipment includes which of the following?! - ANSWER-
Wearing an air-purifying respirator
Heat Stress is a concern for workers only in the summer months - ANSWER-False
Which of the following is least likely to make heat stress worse?! - ANSWER-High wind velocity
Knowing the specific hazards involved in the job is important even though you are wearing
protective clothing.! - ANSWER-True
, 4|Page
Air supply consumption when using a SCBA depends on which of the following? - ANSWER-
Fitness, body size, work rate, breathing pattern
The ensemble of equipment referred to as Level A protection is generally the minimum level
recommended for an initial entry until the site hazards have been further identified.! - ANSWER-
True
Level D protective ensembles provide no protection to a worker at all. - ANSWER-False
Class C helmets provide protection for which of the following? - ANSWER-Impact hazards,
limited chemical
The following protective equipment is required for a worker handling toxic chemicals that when
dispensed or handled may splash. - ANSWER-All of the answers are correct
Employers must provide training to employees who are required to use PPE. This training must
include all of the following except which of the following? - ANSWER-How to purchase cost-
effective PPE
Safety shoes and boots worn when working in areas where there is a danger of foot injuries
must comply with which of the following organization specifications? - ANSWER-ANSI
Class G (formerly A) helmets provide impact and penetration resistance as well as protection
from: - ANSWER-Low-voltage electrical hazards (2,200 volts)
Class E (formerly B) helmets can provide electrical protection from high-voltage conductors and
are proof-tested to 20,000 volts. - ANSWER-True
HAZWOPER Final Exam 2025 — OSHA
Hazardous Waste Operations & Emergency
Response Study Guide and Practice Test
Prepare for the HAZWOPER Final Exam 2025 with a complete study guide, practice
questions, and exam tips. Master key OSHA HAZWOPER standards, hazardous waste
safety procedures, chemical handling, emergency response, and personal protective
equipment to pass your certification and work safely in hazardous environments.
• HAZWOPER final exam 2025
• HAZWOPER OSHA training exam
• Hazardous waste operations practice test
• HAZWOPER certification study guide
The Level of Protection that provides the highest degree of respiratory and skin protection
against gases and vapors is? - ANSWER-Level A
A written comprehensive PPE program should include? - ANSWER-Medical monitoring, Hazard
identification, Decontamination procedures
Selection of chemical protective clothing will depend on the chemicals present and the tasks to
be accomplished.! - ANSWER-True
Heat stress on the human body includes both "heat exhaustion" and "heat stroke." Which
statement about "heat stroke" is true? - ANSWER-Heat stroke is a life-threatening emergency
,2|Page
Over-protection and under-protection can be hazardous and should be considered carefully
when selecting chemical protective clothing. - ANSWER-True
Selection of a chemical resistant glove is intended to protect the wearer ___. - ANSWER-Against
specific chemicals
Chemical reactions can degrade some protective clothing. - ANSWER-True
Which of the following factors regarding PPE utilization can the wearer directly control? -
ANSWER-Type of protective ensemble selected
Wearing Chemical Protective Clothing (CPC) prevents what route of exposure to hazardous
materials? - ANSWER-Skin
The primary purpose of quantitative or qualitative fit testing is to identify the specific model,
make, and size of respirator that best suites each person. - ANSWER-False
A person's eyes are better protected by which of the following respirators? - ANSWER-Full face
Methanol has a TLV of 200 ppm; the odor of methanol is not detected until a concentration of
2000 ppm in air is reached. For protection, the best respirator to wear is which of the following?
- ANSWER-A SAR with escape bottle
It is permissible to modify a respirator to make a different brand of cartridge to fit the respirator.
- ANSWER-False
Select the incorrect statement relating to respirators. - ANSWER-You must wear contact lenses
instead of glasses when wearing any type of respirator
,3|Page
MUC stands for which of the following? - ANSWER-Maximum use concentration
A respirator fit check consisting of covering the cartridge openings and inhaling for 5 to 10
seconds to feel the mask pulling snugly against the face is called a negative pressure fit check. -
ANSWER-True
Positive-pressure atmosphere-supplying respirators are designed to maintain a positive pressure
in the facepiece during both inhalation and exhalation. - ANSWER-True
Chemical "X" has an odor threshold of 150 ppm and a TLV of 75 ppm, what is the significance of
this information? - ANSWER-The TLV exposure is reached before you are able to smell the
chemical
The monitoring requirements for an employee dressed in Level A PPE require which of the
following? - ANSWER-Oral temperature, blood pressure, heart rate, body weight loss (water)
Using Level C personal protective equipment includes which of the following?! - ANSWER-
Wearing an air-purifying respirator
Heat Stress is a concern for workers only in the summer months - ANSWER-False
Which of the following is least likely to make heat stress worse?! - ANSWER-High wind velocity
Knowing the specific hazards involved in the job is important even though you are wearing
protective clothing.! - ANSWER-True
, 4|Page
Air supply consumption when using a SCBA depends on which of the following? - ANSWER-
Fitness, body size, work rate, breathing pattern
The ensemble of equipment referred to as Level A protection is generally the minimum level
recommended for an initial entry until the site hazards have been further identified.! - ANSWER-
True
Level D protective ensembles provide no protection to a worker at all. - ANSWER-False
Class C helmets provide protection for which of the following? - ANSWER-Impact hazards,
limited chemical
The following protective equipment is required for a worker handling toxic chemicals that when
dispensed or handled may splash. - ANSWER-All of the answers are correct
Employers must provide training to employees who are required to use PPE. This training must
include all of the following except which of the following? - ANSWER-How to purchase cost-
effective PPE
Safety shoes and boots worn when working in areas where there is a danger of foot injuries
must comply with which of the following organization specifications? - ANSWER-ANSI
Class G (formerly A) helmets provide impact and penetration resistance as well as protection
from: - ANSWER-Low-voltage electrical hazards (2,200 volts)
Class E (formerly B) helmets can provide electrical protection from high-voltage conductors and
are proof-tested to 20,000 volts. - ANSWER-True
