HAZWOPER 40 - FINAL PRACTICE
EXAMINATION 2026 QUESTIONS
WITH ANSWERS GRADED A+
◍ Additive Chemical Reaction.
Answer: This occurs when toxic chemicals add their effects together in
producing a biological effect.
◍ Which federal conservation act was passed in response to catastropic
environmental events like the Love Canal, and Times Beach Missouri
incidents?.
Answer: RCRA
◍ What does HSWA stand for?.
Answer: Hazardous and Solid Waste Ammendments
◍ Antagonism.
Answer: This occurs when the effect of two chemicals is less than expected.
◍ Asphyxiants.
Answer: These are chemicals that deprive the victim\'s body tissues of
oxygen. Examples include carbon monoxide and hydrogen cyanide.
◍ What does TSD stand for?.
Answer: Treatment, storage, and disposal
◍ What does MSWLF stand for?.
Answer: Municipal Solid Waste Landfill
◍ Carcinogens.
Answer: These are known to cause cancer. This is a chronic effect and
symptoms are not immediate. Examples include benzene and asbestos
fibers.
,◍ Code of Federal Regulations (CFR).
Answer: This lists the general and permanent rules of federal agencies.
◍ What does CERCLA stand for?.
Answer: Comprehensive Environmental Response, Compensation, and
Liability Act
◍ What does FRAL stand for?.
Answer: First Responder Awareness Level
◍ What does FROL stand for?.
Answer: First Responder Operations Level
◍ Comprehensive Environmental Response, Compensation, and Liability Act
(CERCLA).
Answer: This regulates and enforces the cleanup of abandoned hazardous
waste sites and hazardous waste sites created prior to RCRA.
◍ Contamination Reduction Corridor (CRC).
Answer: This is the passageway between the Exclusion Zone and the
Support Zone used for the decontamination process. OSHA letters and CPLs
call the corridor a zone.
◍ Contamination Reduction Zone (CRZ).
Answer: This is a warm zone or transition zone. Its purpose is to reduce the
probability of contamination in the clean Support Zone.
◍ Contingency plan.
Answer: This is a written document that sets forth policies and procedures
for responding to site emergencies.
◍ What does ISO stand for?.
Answer: International Standards Organization
◍ Corrosive material.
Answer: A chemical that causes visible destruction of, or irreversible
alterations in, living tissue by chemical action at the site of contact.
, ◍ What does API stand for?.
Answer: American Petroleum Institute
◍ What does ClI stand for?.
Answer: Chlorine Institute
◍ Decontamination (Decon).
Answer: This is the process of removing or neutralizing contaminants that
have accumulated on personnel and equipment.
◍ What does CMA stand for?.
Answer: Chemical Manufactures Association
◍ What does ACGIH stand for?.
Answer: American Coucil of Government Industrial Hygienists
◍ What does NTP stand for?.
Answer: National Toxicology Program
◍ What does IARC stand for?.
Answer: International Agency for Research on Cancer
◍ Ergonomics.
Answer: This is the term that refers to arranging the work environment for
an individual\'s body requirements. It involves designing tasks, work
stations, controls, displays, safety devices, tools, and equipment to fit the
worker.
◍ What does RTECS stand for?.
Answer: Registry of Toxic Effects of Chemical Substances
◍ Which federal conservation program's regulations can be found at 40 CFR
240-282?.
Answer: RCRA
◍ List the three major ammendments to RCR
A. .
Answer: HSWAFederal facilities compliance actLand disposal program
flexibility act
EXAMINATION 2026 QUESTIONS
WITH ANSWERS GRADED A+
◍ Additive Chemical Reaction.
Answer: This occurs when toxic chemicals add their effects together in
producing a biological effect.
◍ Which federal conservation act was passed in response to catastropic
environmental events like the Love Canal, and Times Beach Missouri
incidents?.
Answer: RCRA
◍ What does HSWA stand for?.
Answer: Hazardous and Solid Waste Ammendments
◍ Antagonism.
Answer: This occurs when the effect of two chemicals is less than expected.
◍ Asphyxiants.
Answer: These are chemicals that deprive the victim\'s body tissues of
oxygen. Examples include carbon monoxide and hydrogen cyanide.
◍ What does TSD stand for?.
Answer: Treatment, storage, and disposal
◍ What does MSWLF stand for?.
Answer: Municipal Solid Waste Landfill
◍ Carcinogens.
Answer: These are known to cause cancer. This is a chronic effect and
symptoms are not immediate. Examples include benzene and asbestos
fibers.
,◍ Code of Federal Regulations (CFR).
Answer: This lists the general and permanent rules of federal agencies.
◍ What does CERCLA stand for?.
Answer: Comprehensive Environmental Response, Compensation, and
Liability Act
◍ What does FRAL stand for?.
Answer: First Responder Awareness Level
◍ What does FROL stand for?.
Answer: First Responder Operations Level
◍ Comprehensive Environmental Response, Compensation, and Liability Act
(CERCLA).
Answer: This regulates and enforces the cleanup of abandoned hazardous
waste sites and hazardous waste sites created prior to RCRA.
◍ Contamination Reduction Corridor (CRC).
Answer: This is the passageway between the Exclusion Zone and the
Support Zone used for the decontamination process. OSHA letters and CPLs
call the corridor a zone.
◍ Contamination Reduction Zone (CRZ).
Answer: This is a warm zone or transition zone. Its purpose is to reduce the
probability of contamination in the clean Support Zone.
◍ Contingency plan.
Answer: This is a written document that sets forth policies and procedures
for responding to site emergencies.
◍ What does ISO stand for?.
Answer: International Standards Organization
◍ Corrosive material.
Answer: A chemical that causes visible destruction of, or irreversible
alterations in, living tissue by chemical action at the site of contact.
, ◍ What does API stand for?.
Answer: American Petroleum Institute
◍ What does ClI stand for?.
Answer: Chlorine Institute
◍ Decontamination (Decon).
Answer: This is the process of removing or neutralizing contaminants that
have accumulated on personnel and equipment.
◍ What does CMA stand for?.
Answer: Chemical Manufactures Association
◍ What does ACGIH stand for?.
Answer: American Coucil of Government Industrial Hygienists
◍ What does NTP stand for?.
Answer: National Toxicology Program
◍ What does IARC stand for?.
Answer: International Agency for Research on Cancer
◍ Ergonomics.
Answer: This is the term that refers to arranging the work environment for
an individual\'s body requirements. It involves designing tasks, work
stations, controls, displays, safety devices, tools, and equipment to fit the
worker.
◍ What does RTECS stand for?.
Answer: Registry of Toxic Effects of Chemical Substances
◍ Which federal conservation program's regulations can be found at 40 CFR
240-282?.
Answer: RCRA
◍ List the three major ammendments to RCR
A. .
Answer: HSWAFederal facilities compliance actLand disposal program
flexibility act
