,HAZWOPER 40 – Final Exam Practice Questions with
Verified Answers & Rationales
SECTION 1: REGULATORY FRAMEWORK &
STANDARDS (Q1–Q30)
Q1. Which act regulates and enforces the clean-up of abandoned
hazardous waste sites and hazardous waste sites created prior to
RCRA?
A) RCRA
B) CERCLA
C) HSWA
D) TSCA
Correct Answer: B
Rationale: CERCLA (Comprehensive Environmental Response, Compensation,
and Liability Act), also known as Superfund, regulates and enforces the clean-
up of abandoned hazardous waste sites and sites created prior to RCRA.
CERCLA provides the framework for responding to releases of hazardous
substances and establishing liability for clean-up costs.
Q2. What does RCRA stand for?
,A) Resource Conservation and Recovery Act
B) Recovery Conservation and Resource Act
C) Regulatory Compliance and Reporting Act
D) Resource Control and Recovery Administration
Correct Answer: A
Rationale: RCRA stands for the Resource Conservation and Recovery Act. It is
the federal law that governs the management of hazardous waste from
cradle to grave, including generation, transportation, treatment, storage, and
disposal.
Q3. The Hazard Communication Standard (HCS) is found under which
OSHA regulation?
A) 29 CFR 1910.120
B) 29 CFR 1910.1200
C) 29 CFR 1910.134
D) 29 CFR 1910.146
Correct Answer: B
Rationale: The Hazard Communication Standard (HCS) is found under 29
CFR 1910.1200. It requires chemical manufacturers and importers to evaluate
the hazards of chemicals and provide information to employers and
employees through labels, safety data sheets (SDS), and training.
Q4. The HAZWOPER standard is found under which OSHA regulation?
A) 29 CFR 1910.120
B) 29 CFR 1910.1200
, C) 29 CFR 1910.134
D) 29 CFR 1910.146
Correct Answer: A
Rationale: The HAZWOPER standard is found under 29 CFR 1910.120. It
covers hazardous waste operations and emergency response. OSHA published
the standard in 1990 to protect workers at hazardous waste sites and
emergency response operations.
Q5. Which of the following is a key difference between RCRA and
CERCLA?
A) RCRA focuses on clean-up of abandoned sites; CERCLA focuses on
current waste management
B) RCRA governs current waste management; CERCLA governs clean-
up of abandoned sites
C) Both govern clean-up of abandoned sites
D) Both govern current waste management
Correct Answer: B
Rationale: RCRA governs the current management of hazardous waste from
generation to disposal. CERCLA (Superfund) governs the clean-up of
abandoned hazardous waste sites and releases of hazardous substances.
RCRA is "cradle to grave" regulation.
Q6. The "cradle to grave" concept is associated with which regulation?
A) CERCLA
B) RCRA
Verified Answers & Rationales
SECTION 1: REGULATORY FRAMEWORK &
STANDARDS (Q1–Q30)
Q1. Which act regulates and enforces the clean-up of abandoned
hazardous waste sites and hazardous waste sites created prior to
RCRA?
A) RCRA
B) CERCLA
C) HSWA
D) TSCA
Correct Answer: B
Rationale: CERCLA (Comprehensive Environmental Response, Compensation,
and Liability Act), also known as Superfund, regulates and enforces the clean-
up of abandoned hazardous waste sites and sites created prior to RCRA.
CERCLA provides the framework for responding to releases of hazardous
substances and establishing liability for clean-up costs.
Q2. What does RCRA stand for?
,A) Resource Conservation and Recovery Act
B) Recovery Conservation and Resource Act
C) Regulatory Compliance and Reporting Act
D) Resource Control and Recovery Administration
Correct Answer: A
Rationale: RCRA stands for the Resource Conservation and Recovery Act. It is
the federal law that governs the management of hazardous waste from
cradle to grave, including generation, transportation, treatment, storage, and
disposal.
Q3. The Hazard Communication Standard (HCS) is found under which
OSHA regulation?
A) 29 CFR 1910.120
B) 29 CFR 1910.1200
C) 29 CFR 1910.134
D) 29 CFR 1910.146
Correct Answer: B
Rationale: The Hazard Communication Standard (HCS) is found under 29
CFR 1910.1200. It requires chemical manufacturers and importers to evaluate
the hazards of chemicals and provide information to employers and
employees through labels, safety data sheets (SDS), and training.
Q4. The HAZWOPER standard is found under which OSHA regulation?
A) 29 CFR 1910.120
B) 29 CFR 1910.1200
, C) 29 CFR 1910.134
D) 29 CFR 1910.146
Correct Answer: A
Rationale: The HAZWOPER standard is found under 29 CFR 1910.120. It
covers hazardous waste operations and emergency response. OSHA published
the standard in 1990 to protect workers at hazardous waste sites and
emergency response operations.
Q5. Which of the following is a key difference between RCRA and
CERCLA?
A) RCRA focuses on clean-up of abandoned sites; CERCLA focuses on
current waste management
B) RCRA governs current waste management; CERCLA governs clean-
up of abandoned sites
C) Both govern clean-up of abandoned sites
D) Both govern current waste management
Correct Answer: B
Rationale: RCRA governs the current management of hazardous waste from
generation to disposal. CERCLA (Superfund) governs the clean-up of
abandoned hazardous waste sites and releases of hazardous substances.
RCRA is "cradle to grave" regulation.
Q6. The "cradle to grave" concept is associated with which regulation?
A) CERCLA
B) RCRA
