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HAZWOPER Training Questions & Answers 2025 | Verified Solutions for 40-Hour & 24-Hour Certification

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Prepare for your HAZWOPER certification with our complete training guide. Features 200+ verified questions and answers on OSHA 1910.120, site safety, PPE, toxicology, and emergency response. Pass your 40-hour or 24-hour course with confidence.

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Hazwoper 40
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Institution
Hazwoper 40
Course
Hazwoper 40

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Uploaded on
October 30, 2025
Number of pages
49
Written in
2025/2026
Type
Exam (elaborations)
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Questions & answers

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HAZWOPER training questions and
answers with verified solutions already
passed!!!
How does OSHA enforce job safety and health standards? -
ANSWER✔✔Worksite Inspections


In addition to having employee rights, employees also have -
ANSWER✔✔responsibilities


What is the first step in resolving safety and health issues or concerns in the
workplace? - ANSWER✔✔Talking to your employer


This training applies to which of the following groups of HAZWOPER workers? -
ANSWER✔✔All phases of cleanup operations of hazardous waste sites


How many sections are in the HAZWOPER regulation? - ANSWER✔✔17


What are the two types of chemical spills or releases according to the
HAZWOPER regulation? - ANSWER✔✔incidental releases and uncontrolled
releases


Per OSHA's definition, HAZMAT"team members perform responses to releases or
potential releases of hazardous substances for the purpose of control or ______ of
the incident" - ANSWER✔✔stabilization


Oxygen Deficient Atmosphere (ODA)

,Oxygen Enriched Atmosphere (OEA) - ANSWER✔✔<19.5%


>23.5%


Which section of the HAZWOPER regulation covers training? - ANSWER✔✔E,
P, Q (all of the above)


40 hour HAZWOPER workers


24 hour HAZWOPER workers - ANSWER✔✔receive more training on PPE


receive less training on PPE


How many additional hours of training are required for managers and supervisors
directly responsible for, or who supervise employees engaged in hazardous waste
operations? - ANSWER✔✔8


TSDF workers shall receive ___ hours of initial training and ___ hours of refresher
training annually - ANSWER✔✔24/8


How are first responders at the operations level trained? - ANSWER✔✔they are
trained to respond in a defensive fashion


How many hours of training must HAZMAT technicians have? - ANSWER✔✔24

,How many hours of refresher training must an emergency responder have? -
ANSWER✔✔There is no minimum number of hours required


Law (the what)


Regulation (the how) - ANSWER✔✔statute or act written by a legislative body


contains the details and procedures for implementing or complying with, and
enforcing laws


What law authorized the EPA to begin the cradle to grave tracking of hazardous
waste? - ANSWER✔✔RCRA


Which law promulgated the HAZWOPER regulation? - ANSWER✔✔SARA-
superfund amendments and reauthorization act


The EPA complies the TRI data every year and makes it available through several
data access tools. What does TRI stand for? - ANSWER✔✔Toxics release
inventory


OSHA regulations concerning employees are found in which CFR? -
ANSWER✔✔29 CFR


DOT regulations concerning employees are found in which CFR? -
ANSWER✔✔49 CFR


PHMSA

, pipeline and hazardous materials safety administration


Employers DO NOT need to have a HAZWOPER safety and health program
developed and implemented if they have a similar program that covers, or is
modified to cover, the topics required in the HAZWOPER regulation. -
ANSWER✔✔True


The site safety and health plan must be kept - ANSWER✔✔on the site


In the absence of the site safety and health supervisor, another individual who is
knowledgeable in occupational safety and health may act on behalf of the
employer to determine the effectiveness of the site safety and health plan -
ANSWER✔✔true


SOPs


SOGs - ANSWER✔✔used where this is no room for deviation


used where choices are needed to ensure the safety and health of workers


To whom must the written safety and health program be made available? -
ANSWER✔✔any contractor involved
employees
any subcontractor involved


What are the objectives of pre-employment screening? - ANSWER✔✔Determine
an employee's level of fitness
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