Page 1 of 55
HAZWOPER 40 - FINAL EXAM NEWEST 2026
ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {340 Q & A} ALREADY GRADED A+ |
BRAND NEW! | 100% GUARANTEED PASS
Chronic or delated effects rarely occur a long time after
exposure - ✔✔✔ correct answer > false
Why is proper documentation and document control essential? -
✔✔✔ correct answer > -ensures accurate communication
-ensures the quality of the data collected
-provides reasons for safety decisions
-supports possible legal actions
What are the two main types of materials that are capable of skin
and metal destruction? - ✔✔✔ correct answer > acids and bases
What information must the safety data sheet contain? - ✔✔✔ correct
answer > -product identification and manufacturers name
-hazardous ingredients
-fire and explosion hazard data
,Page 2 of 55
What information must a label contain? - ✔✔✔ correct answer > -
standardized signal words
-pictogram
-hazard statement for each class and category
-precautionary statements
Local fire codes generall require facilities to post NFPA signs on
buildings and doors to warn of the hazardous chemicals within -
✔✔✔ correct answer > true
What is the first thing you should do if a chemical enters your
eyes? - ✔✔✔ correct answer > flush the eyes with water
If exposed to acids or bases, what factors into the extend of the
injury? - ✔✔✔ correct answer > -concentration of the acid or base
-quantity of acid or base involved
-body area affected
-duration of the contact
What is the rule of 9? - ✔✔✔ correct answer > a chemical burn is 9
times as damaging as a thermal burn
,Page 3 of 55
In an acid-base neutralization reaction, it is not important to
reduce the possibilities of an uncontrolled reaction - ✔✔✔ correct
answer > false
What is a colorless, vicous fluid that is relatively insoluble in
water and can withstand high temperatures without degradation?
- ✔✔✔ correct answer > PCB mixture
What action with different types of materials is a potential hazard
at any waste site? - ✔✔✔ correct answer > mixing
What can happen if hydrogen gas is present with an ignition
source? - ✔✔✔ correct answer > explosion
Some fish products from the US waters and baltic sea were
found to contain several parts per million of pcbs and all have
been cleared for human comsumption - ✔✔✔ correct answer > false
What does acute effects of inhalation include? - ✔✔✔ correct answer >
-muscular weakness
-loss of coordination
-disorientation and confusion
-unconsciousness and sometimes death
, Page 4 of 55
What is included in the fire triangle? - ✔✔✔ correct answer > fuel,
oxygen, ignition source
Over the long term, chronic effects of solvents tend to affect the
function of the liver or the kidneys - ✔✔✔ correct answer > true
If a solvent is splashed into the eyes, how long should you flush
with cool water? - ✔✔✔ correct answer > 15 minutes
What is, by chemical definition, any material that will gain
electrons during a chemical reaction? - ✔✔✔ correct answer >
oxidizer
_______ not only mix oxides and flammable components, but also
readily decompose if subjected to friction, heat, shock, or
contamination - ✔✔✔ correct answer > organic peroxides
What happens to oxygen during a cooling process? - ✔✔✔ correct
answer > liquifies
What are the hazards involved in using water as an extinguishing
agent to fight an oxidizer fire? - ✔✔✔ correct answer > -run off
-impregnation of combustibles
-possible water reactivity of the oxidizer
HAZWOPER 40 - FINAL EXAM NEWEST 2026
ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED ANSWERS) ALL
ANSWERED {340 Q & A} ALREADY GRADED A+ |
BRAND NEW! | 100% GUARANTEED PASS
Chronic or delated effects rarely occur a long time after
exposure - ✔✔✔ correct answer > false
Why is proper documentation and document control essential? -
✔✔✔ correct answer > -ensures accurate communication
-ensures the quality of the data collected
-provides reasons for safety decisions
-supports possible legal actions
What are the two main types of materials that are capable of skin
and metal destruction? - ✔✔✔ correct answer > acids and bases
What information must the safety data sheet contain? - ✔✔✔ correct
answer > -product identification and manufacturers name
-hazardous ingredients
-fire and explosion hazard data
,Page 2 of 55
What information must a label contain? - ✔✔✔ correct answer > -
standardized signal words
-pictogram
-hazard statement for each class and category
-precautionary statements
Local fire codes generall require facilities to post NFPA signs on
buildings and doors to warn of the hazardous chemicals within -
✔✔✔ correct answer > true
What is the first thing you should do if a chemical enters your
eyes? - ✔✔✔ correct answer > flush the eyes with water
If exposed to acids or bases, what factors into the extend of the
injury? - ✔✔✔ correct answer > -concentration of the acid or base
-quantity of acid or base involved
-body area affected
-duration of the contact
What is the rule of 9? - ✔✔✔ correct answer > a chemical burn is 9
times as damaging as a thermal burn
,Page 3 of 55
In an acid-base neutralization reaction, it is not important to
reduce the possibilities of an uncontrolled reaction - ✔✔✔ correct
answer > false
What is a colorless, vicous fluid that is relatively insoluble in
water and can withstand high temperatures without degradation?
- ✔✔✔ correct answer > PCB mixture
What action with different types of materials is a potential hazard
at any waste site? - ✔✔✔ correct answer > mixing
What can happen if hydrogen gas is present with an ignition
source? - ✔✔✔ correct answer > explosion
Some fish products from the US waters and baltic sea were
found to contain several parts per million of pcbs and all have
been cleared for human comsumption - ✔✔✔ correct answer > false
What does acute effects of inhalation include? - ✔✔✔ correct answer >
-muscular weakness
-loss of coordination
-disorientation and confusion
-unconsciousness and sometimes death
, Page 4 of 55
What is included in the fire triangle? - ✔✔✔ correct answer > fuel,
oxygen, ignition source
Over the long term, chronic effects of solvents tend to affect the
function of the liver or the kidneys - ✔✔✔ correct answer > true
If a solvent is splashed into the eyes, how long should you flush
with cool water? - ✔✔✔ correct answer > 15 minutes
What is, by chemical definition, any material that will gain
electrons during a chemical reaction? - ✔✔✔ correct answer >
oxidizer
_______ not only mix oxides and flammable components, but also
readily decompose if subjected to friction, heat, shock, or
contamination - ✔✔✔ correct answer > organic peroxides
What happens to oxygen during a cooling process? - ✔✔✔ correct
answer > liquifies
What are the hazards involved in using water as an extinguishing
agent to fight an oxidizer fire? - ✔✔✔ correct answer > -run off
-impregnation of combustibles
-possible water reactivity of the oxidizer
