HAZWOPER FINAL EXAM (ACTUAL 2025) QUESTIONS
A ND ANSWERS LATEST UPDATE
Noise is always consideration when evaluating hazards. -
<<Answers>>>>False
Safe work practices are important in hazardous waste
operations. - <<Answers>>>>True
An unsafe condition can also be a physical hazard. -
<<Answers>>>>True
A Job Hazard Analysis is performed to determine which of
the following? - <<Answers>>>>Unsafe worker conditions
An unsafe condition, such as wet floors or broken equipment,
could be described as which of the following? -
<<Answers>>>>Physical hazard
Heat stroke and hypothermia are examples of which of the
following? - <<Answers>>>>Thermal stress
A direct reading instrument provides a reading based on
which of the following? - <<Answers>>>>Current real time
conditions
The following are all types of air sampling devices except for
which of the following? - <<Answers>>>>Noise dosimeter
,HAZWOPER FINAL EXAM (ACTUAL 2025) QUESTIONS
A ND ANSWERS LATEST UPDATE
Using a combination combustible gas (CGI) indicator and O2
monitor calibrated for normal oxygen content at sea level, the
following readings are observed: O2 = 13.5%, percent LEL =
9%. Which of the following is true regarding the CGI
reading? - <<Answers>>>>Due to an oxygen deficient
atmosphere, the actual concentration of flammable gas is
higher than indicated by the meter.
An oxygen atmosphere of less than ___ is considered "oxygen
deficient" by OSHA standards.
23% - <<Answers>>>>19.5%
If a direct reading instrument indicates the air is 25 percent of
the LEL, then you should. - <<Answers>>>>Leave the work
area immediately
A primary purpose of a CGI is to detect which of the
following? - <<Answers>>>>Flammable atmospheres
Colorimetric tubes designed to be used for a specific chemical
can be affected by other chemicals present.! -
<<Answers>>>>True
Flame ionization detectors are generally used to detect and
measure organic compounds. - <<Answers>>>>True
,HAZWOPER FINAL EXAM (ACTUAL 2025) QUESTIONS
A ND ANSWERS LATEST UPDATE
Selectivity (specificity) is the ability of an instrument to detect
and measure a specific chemical or class of chemicals. -
<<Answers>>>>True
The LEL value is the explosive limit at the upper
concentration of a flammable compound. -
<<Answers>>>>False
Sampling techniques can include both area and personal
sampling. - <<Answers>>>>True
Temperature, ambient pressure, and humidity have no effect
on the accuracy of results for active sampling. -
<<Answers>>>>False
An integrated sample is collected when the results will be
compared to an OSHA PEL. - <<Answers>>>>True
Calibration is required for stain indicator tubes. -
<<Answers>>>>False
The oxygen content of normal air at sea level is approximately
20.9 percent and the partial pressure of oxygen is 159 mm Hg.
- <<Answers>>>>True
, HAZWOPER FINAL EXAM (ACTUAL 2025) QUESTIONS
A ND ANSWERS LATEST UPDATE
An scintillation radiation monitoring instrument can detect
Alpha radiation. - <<Answers>>>>True
Data obtained from air monitoring instruments is not useful
for which of the following? - <<Answers>>>>Determining
which brand of respirator will be used by a worker
Two types of personal sampling systems are which of the
following?! - <<Answers>>>>Passive sampling & Active
sampling
What Subpart under OSHA standards contains at least 28
substances and requires a personal sampling plan to be
initiated for waste site workers? - <<Answers>>>>Subpart Z
In addition to mechanical pumps, what else is required in
order to get active sampling system results?! -
<<Answers>>>>A laboratory to analyze collection media
The following may be used for passive sampling except for
which one? - <<Answers>>>>Air pump-sample medium
samplers
Advantages of passive samplers include all except which of
the following? - <<Answers>>>>A pump is required
A ND ANSWERS LATEST UPDATE
Noise is always consideration when evaluating hazards. -
<<Answers>>>>False
Safe work practices are important in hazardous waste
operations. - <<Answers>>>>True
An unsafe condition can also be a physical hazard. -
<<Answers>>>>True
A Job Hazard Analysis is performed to determine which of
the following? - <<Answers>>>>Unsafe worker conditions
An unsafe condition, such as wet floors or broken equipment,
could be described as which of the following? -
<<Answers>>>>Physical hazard
Heat stroke and hypothermia are examples of which of the
following? - <<Answers>>>>Thermal stress
A direct reading instrument provides a reading based on
which of the following? - <<Answers>>>>Current real time
conditions
The following are all types of air sampling devices except for
which of the following? - <<Answers>>>>Noise dosimeter
,HAZWOPER FINAL EXAM (ACTUAL 2025) QUESTIONS
A ND ANSWERS LATEST UPDATE
Using a combination combustible gas (CGI) indicator and O2
monitor calibrated for normal oxygen content at sea level, the
following readings are observed: O2 = 13.5%, percent LEL =
9%. Which of the following is true regarding the CGI
reading? - <<Answers>>>>Due to an oxygen deficient
atmosphere, the actual concentration of flammable gas is
higher than indicated by the meter.
An oxygen atmosphere of less than ___ is considered "oxygen
deficient" by OSHA standards.
23% - <<Answers>>>>19.5%
If a direct reading instrument indicates the air is 25 percent of
the LEL, then you should. - <<Answers>>>>Leave the work
area immediately
A primary purpose of a CGI is to detect which of the
following? - <<Answers>>>>Flammable atmospheres
Colorimetric tubes designed to be used for a specific chemical
can be affected by other chemicals present.! -
<<Answers>>>>True
Flame ionization detectors are generally used to detect and
measure organic compounds. - <<Answers>>>>True
,HAZWOPER FINAL EXAM (ACTUAL 2025) QUESTIONS
A ND ANSWERS LATEST UPDATE
Selectivity (specificity) is the ability of an instrument to detect
and measure a specific chemical or class of chemicals. -
<<Answers>>>>True
The LEL value is the explosive limit at the upper
concentration of a flammable compound. -
<<Answers>>>>False
Sampling techniques can include both area and personal
sampling. - <<Answers>>>>True
Temperature, ambient pressure, and humidity have no effect
on the accuracy of results for active sampling. -
<<Answers>>>>False
An integrated sample is collected when the results will be
compared to an OSHA PEL. - <<Answers>>>>True
Calibration is required for stain indicator tubes. -
<<Answers>>>>False
The oxygen content of normal air at sea level is approximately
20.9 percent and the partial pressure of oxygen is 159 mm Hg.
- <<Answers>>>>True
, HAZWOPER FINAL EXAM (ACTUAL 2025) QUESTIONS
A ND ANSWERS LATEST UPDATE
An scintillation radiation monitoring instrument can detect
Alpha radiation. - <<Answers>>>>True
Data obtained from air monitoring instruments is not useful
for which of the following? - <<Answers>>>>Determining
which brand of respirator will be used by a worker
Two types of personal sampling systems are which of the
following?! - <<Answers>>>>Passive sampling & Active
sampling
What Subpart under OSHA standards contains at least 28
substances and requires a personal sampling plan to be
initiated for waste site workers? - <<Answers>>>>Subpart Z
In addition to mechanical pumps, what else is required in
order to get active sampling system results?! -
<<Answers>>>>A laboratory to analyze collection media
The following may be used for passive sampling except for
which one? - <<Answers>>>>Air pump-sample medium
samplers
Advantages of passive samplers include all except which of
the following? - <<Answers>>>>A pump is required
