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HAZWOPER FINAL EXAM TEST BANK 230 QUESTIONS &
CORRECT ANSWERS (WELL VERIFIED) NEW VERSION
Which of the following is not an employee right under OSHA? - CORRECT ANSWER >>> To
shut down a job you believe is unsafe
A Safety Data Sheet (SDS) ____. - CORRECT ANSWER >>> Must be provided for chemicals
used at a facility
The term "Superfund" is another name for which of the following?
- CORRECT ANSWER
>>> CERCLA
To protect the worker from exposure, which does OSHA indicate should occur first? -
CORRECT ANSWER >>> Engineering controls
Operations that employ workers who must comply with the 29 CFR 1910.120 regulations do not
include which of the following? Correct - CORRECT ANSWER >>> Risk analysis of hazardous
chemical releases
Which governmental body is responsible for safety at a hazardous waste site? - CORRECT
ANSWER >>> OSHA
Complete enclosure of a sandblast operation is an example of _____.
- CORRECT ANSWER
>>> Engineering controls
Is the use of "common sense" a good practice to protect a worker from exposure to hazards? -
CORRECT ANSWER >>> False
Using steam cleaning instead of solvent-based cleaning is an example of ____. - CORRECT
ANSWER >>> Engineering
Wearing a respirator to remove toxic vapors from your breathing air is an example of which of
the following? - CORRECT ANSWER >>> PPE
Which of the following is not an element of the Hazard Communication Standard? -
CORRECT ANSWER >>> Respirator training
Which Act has the primary responsibility for hazardous waste?
- CORRECT ANSWER
>>> Resource Conservation and Recovery Act (RCRA)
A vertical standard is specific to a particular industry - CORRECT ANSWER >>> True
By identifying lines of authority, communication, and coordination among personnel and
managers, the ____ is being defined according to the General Health and Safety Program
(HASP). - CORRECT ANSWER >>> Organizational Structure
The OSHA Hazardous Waste Standard requires that new employees at hazardous waste sites
receive which of the following training? - CORRECT ANSWER >>> 40 - hour training course on
health and safety
Through planning, potential hazards may be anticipated and steps may be taken to reduce the
When should monitoring be conducted at a hazardous waste site?
- CORRECT ANSWER
>>> Upon initial entry to identify and IDLH conditions
Atmospheric monitoring is only required after the workers have entered the site. - CORRECT
ANSWER >>> False
A change in weather will not affect the hazards at a work site.
- CORRECT ANSWER >>> False
When locating a Command post, which of the following can have the greatest impact on
employee safety? - CORRECT ANSWER >>> Wind direction
The Site Health and Safety Plan should contain contingency plans for unpredictable events such
as fire or physical injury. - CORRECT ANSWER >>> True
After the plan for a hazardous waste site is implemented, it should be periodically examined to
reflect any site condition changes. - CORRECT ANSWER >>> True
The primary purpose of a site health and safety plan is which of the following? - CORRECT
ANSWER >>> To ensure the safety and health of workers and responders
Emergencies are not effected by which of the following?
- CORRECT ANSWER >>> Location
of the laboratory
It is the responsibility of the personnel involved at the site to comply with the requirements of
the health and safety plan. - CORRECT ANSWER >>> True
The best policy is that instructions should be written. - CORRECT ANSWER >>> True
Identify the correct order that a site characterization should be conducted; 1. Conduct an onsite
survey, 2. Conduct an off-site survey, 3. Implement programs to ensure the safety of a hazardous
waste employee after an on-site evaluation. - CORRECT ANSWER >>> 2,1, 3
The results of air monitoring and sampling pertaining to an employee's job___.! - CORRECT
ANSWER >>> Must be made available to the employee
A hazardous waste site plan should be ____ in order to make sure the procedures will work in
an emergency. - CORRECT ANSWER >>> Practiced
At a minimum, emergency response plans for handling and reporting emergency incidents
should include the following. Which one is the most important when reporting an emergency
due to a hazardous chemical spill? - CORRECT ANSWER >>> The chemicals and quantities
involved
Upon completion of a site characterization, an activity that is not implemented is which of the
following? - CORRECT ANSWER >>> Correct all instruments for elevation
When determining if immediately dangerous to life or health parameters are present in the
workplace or an area, which of the following is not the most important parameter to be
monitored? - CORRECT ANSWER >>> Water quality
Using LD50 as the measure of toxicity, which chemical is the most toxic? - CORRECT ANSWER
>>> Cyanide LD50 of 3 mg/kg
An additive effect is defined as which of the following? - CORRECT ANSWER >>> The
addition of toxic chemical effects in producing a biological effect
A Synergistic Effect is defined as which of the following? - CORRECT ANSWER >>> The
exposure to two different toxic chemicals that produces a more severe effect than simply
doubling the dose of wither one alone
A Potentiation Effect is defined as which of the following? - CORRECT ANSWER >>> In some
cases, a chemical without any known toxic effect may act together with a known toxic substance
to make the toxic substance even more potent and more dangerous
An Antagonism Effect is defined as which of the following? - CORRECT ANSWER >>> The
interaction of two toxic chemicals may be such that the effect produced is actually less than
would be expected
Which of the following is common to airborne hazards? - CORRECT ANSWER >>> The
normally enter the body through breathing
A chemical that deprives the victim's tissues of oxygen is which of the following? - CORRECT
ANSWER >>> Asphyxiate
Which exposure route is most likely to cause the immediate response of a burned esophagus to
appear? - CORRECT ANSWER >>> Ingestion
Ceiling Limit (C) is the level that should never be exceeded in the workplace without correct
procedures and protective equipment. - CORRECT ANSWER >>> True
How can chemicals enter your bloodstream? - CORRECT ANSWER >>> All answers are
correct
How much a worker is affected by an exposure to a chemical may depend upon ____. -
CORRECT ANSWER >>> All answers are correct
Which type of airborne hazard probably results from grinding clean, dry metal parts? -
CORRECT ANSWER >>> Dust
Chronic exposures are possible in hazardous waste sites - CORRECT ANSWER >>> True
Which of the following is not a method of identifying hazardous materials? - CORRECT
ANSWER >>> Panels with an ID number
An irritant can cause which of the following? - CORRECT ANSWER >>> Skin to itch upon
contact
A cryogen can cause which of the following? - CORRECT ANSWER >>> Freeze the skin on
contact
A Target organ chemical can cause which of the following? - CORRECT ANSWER >>> Liver
damage
A Sensitizer can cause which of the following? - CORRECT ANSWER >>> Allergic-like
responses
A Carcinogen can cause which of the following? - CORRECT ANSWER >>> Cancer
CORRECT ANSWER >>> Reactive
Everyone working in an area that has hazardous substances must recognize and understand the
potential health safety hazards involved in their work assignments. Training is required and
documentation of that training is which of the following?
- CORRECT ANSWER
>>> Mandatory
Being struck by an object or moving machine part would be considered as which of the
following?! - CORRECT ANSWER >>> Kinetic / mechanical hazard
Strong management commitment is a vital part of safety.! - CORRECT ANSWER >>> True
Upon arriving at a large warehouse, you notice an NFPA sign. The term "OX" appears in the
lower (white) quadrant of that sign. This term indicated that oxygen supplying respirator
protection must be worn to enter the building.! - CORRECT ANSWER >>> False
Noise is always consideration when evaluating hazards. - CORRECT ANSWER >>> False
Safe work practices are important in hazardous waste operations.
- CORRECT ANSWER
>>> True
An unsafe condition can also be a physical hazard. - CORRECT ANSWER >>> True
A Job Hazard Analysis is performed to determine which of the following? - CORRECT
ANSWER >>> Unsafe worker conditions
An unsafe condition, such as wet floors or broken equipment, could be described as which of
the following? - CORRECT ANSWER >>> Physical hazard
Radiation detection and monitoring is crucial for all of the reasons below except which one? -
CORRECT ANSWER >>> Radiation can be detected by the human nose (order)
Some atoms in nature occasionally split (fission) and give off radiation - CORRECT
ANSWER >>> True
Radiation can be detected and measured with a great deal of precision. - CORRECT
ANSWER >>> True
A sheet of paper can block what type of radiation? - CORRECT ANSWER >>> Alpha
Protection from radiation does not include which of the following?
- CORRECT ANSWER
>>> Isotope half-life
Gamma and X radiation have a LET or QF of 1. - CORRECT ANSWER >>> True
Alpha particles have a QF of 20 and are considered as sever external radiation hazards. -
CORRECT ANSWER >>> False
If Level B PPE worn by a worker is contaminated with radiation material that can not be
decontaminated then the contaminated Level B PPE can be used in future radiation jobs. -
CORRECT ANSWER >>> False
A scintillation radiation instrument is used to detect which of the following types of radiation? -
CORRECT ANSWER >>> X Rays
Electricity generation in the USA using nuclear power plants has provided approximately which
of the following percent of the net generation? - CORRECT ANSWER >>> 20%
1. Which of the following is the correct inspection schedule for respirators? - CORRECT
ANSWER >>> Before and after each use
What precautionary measures should workers take when using a North half-face air purifying
respirator to reduce their risk of exposure? - CORRECT ANSWER >>> Remove contact lenses
Before a person wears any respirator on the work site, what must be done? - CORRECT
ANSWER >>> Have training on proper respirator use
The two types of respirator fit testing are? - CORRECT ANSWER >>> Qualitative, quantitative
The class of respiratory protection that is not recommended for use in hazardous atmosphere
containing less that 19.5% oxygen is which of the following? - CORRECT ANSWER
>>> Airpurifying respirator
You must have an emergency pack of air when wearing a supplied air respirator - CORRECT
ANSWER >>> True
Select the best answer relating to atmosphere supplied respirators.
- CORRECT ANSWER
>>> Atmosphere supplied respirators are the best protection against IDLH respiratory hazards
MUC stands for which of the following? - CORRECT 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. -
CORRECT ANSWER >>> True
Positive-pressure atmosphere-supplying respirators are designed to maintain a positive pressure
in the facepiece during both inhalation and exhalation. - CORRECT ANSWER >>> True
Chemical "X" has an odor threshold of 150 ppm and a TLV of 75 ppm, what is the significance of
this information? - CORRECT 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? - CORRECT ANSWER >>> Oral temperature, blood pressure, heart rate, body
weight loss (water)
Using Level C personal protective equipment includes which of the following?! - CORRECT
ANSWER >>> Wearing an air-purifying respirator
The Level of Protection that provides the highest degree of respiratory and skin protection
against gases and vapors is? - CORRECT ANSWER >>> Level A
A written comprehensive PPE program should include? - CORRECT ANSWER >>> Medical
monitoring, Hazard identification, Decontamination procedures
Selection of chemical protective clothing will depend on the chemicals present and the tasks to
be accomplished.! - CORRECT ANSWER >>> True
Heat stress on the human body includes both "heat exhaustion" and "heat stroke." Which
statement about "heat stroke" is true? - CORRECT ANSWER >>> Heat stroke is a
lifethreatening emergency
Over-protection and under-protection can be hazardous and should be considered carefully
when selecting chemical protective clothing. - CORRECT ANSWER >>> True
Selection of a chemical resistant glove is intended to protect the wearer ___. - CORRECT
ANSWER >>> Against specific chemicals
Chemical reactions can degrade some protective clothing. - CORRECT ANSWER >>> True
Which of the following factors regarding PPE utilization can the wearer directly control? -
CORRECT ANSWER >>> Type of protective ensemble selected
Wearing Chemical Protective Clothing (CPC) prevents what route of exposure to hazardous
materials? - CORRECT ANSWER >>> Skin
Heat Stress is a concern for workers only in the summer months
- CORRECT ANSWER
>>> False
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?
- CORRECT ANSWER
>>> ANSI
Class G (formerly A) helmets provide impact and penetration resistance as well as protection
from: - CORRECT 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. - CORRECT ANSWER >>> True
Which three different types of hand hazards can be avoided by wearing hand protection? -
CORRECT ANSWER >>> Chemical hazards, cut hazards, thermal hazards
Wearing Chemical Protective Clothing (CPC) prevents which route of exposure to hazardous
materials?! - CORRECT ANSWER >>> Skin
A correctly designed Health and Safety Plan provides procedures for the selection of PPE or a
combination of PPE components (respirator & canister, gloves, clothing, etc.) that will protect
the wearer ___. - CORRECT ANSWER >>> Against specific agents as determined for a
definite job
Each type of protective clothing has a specific purpose as well as certain limitations. -
CORRECT ANSWER >>> True
Which of the following site zones is considered to be most contaminated? - CORRECT
ANSWER >>> Exclusion Zone
Which one of the following is true about the buddy system? - CORRECT ANSWER >>> It
should be used when working in the Exclusion Zone
What is the function of the Contamination Reduction Zone? - CORRECT ANSWER >>> All of
the answers are correct
Which of the following is not true of the Support Zone? - CORRECT ANSWER >>> Should be
as close to the Exclusion Zone as possible
The most important reason to set up "work zones" at a waste site is ____. - CORRECT
ANSWER >>> To isolate a hazardous area and lessen the risk to the public and waste site
workers
Site Control Preparation includes all of the following except ____.:
- CORRECT ANSWER
>>> Developing a sampling plan
When should a site map be developed? - CORRECT ANSWER >>> Prior to initial site entry
Which of the following zones is considered to be least contaminated? - CORRECT
ANSWER >>> Support Zone
The exclusion zone is an area that is least contaminated and does not require special PPE to
enter. - CORRECT ANSWER >>> False
The hot line can be described by which of the following? - CORRECT ANSWER >>> The point
where the worker enters or leaves an exclusion zone