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California D63 Construction Cleanup Contractor Exam
Actual Test Questions and Correct Answers With
Rationales LATEST THIS YEAR
California D63 Construction Cleanup Contractor Exam
Exam Coverage Summary
The D63 Construction Cleanup exam tests knowledge of asbestos and lead safety regulations, OSHA
requirements, waste disposal procedures, California contractor licensing laws, contract administration,
lien laws, and business management principles applicable to post-construction debris removal and site
cleaning operations.
All 200 Randomized Questions
Question 1
A construction cleanup contractor arrives at a residential remodel site and notices peeling paint on
window trim built before 1978. What must they do before beginning work that disturbs this area?
A) Begin work immediately since cleanup does not disturb paint
B) Assume the paint is lead-free and proceed with caution
C) Have the paint tested for lead content or presume it contains lead
D) Apply a sealant over the peeling paint to contain it
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Correct Answer: C
*Summary Rationale: Federal RRP rule requires lead testing or presumption for pre-1978 surfaces
disturbed by renovation activities.*
Question 2
What is the minimum bond amount required for a California C-61/D63 contractor license?
A) $5,000
B) $10,000
C) $15,000
D) $25,000
Correct Answer: C
*Summary Rationale: California contractor license bond requirement is $15,000 for all classifications
including C-61/D63.*
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Question 3
While pressure washing a construction site, the runoff containing cement dust and paint chips flows
toward a storm drain. What is the appropriate action?
A) Allow the runoff to enter the drain since water is not hazardous
B) Divert the runoff away from the drain and contain it
C) Dilute the runoff with additional water before it reaches the drain
D) Notify the local utility company about the discharge
Correct Answer: B
Summary Rationale: Stormwater regulations prohibit discharging non-stormwater containing pollutants
into storm drain systems.
Question 4
A contractor's license in California expires on March 31, 2025. What is the last day to renew without
taking the exam again?
A) March 31, 2026
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B) March 31, 2027
C) March 31, 2028
D) March 31, 2030
Correct Answer: D
Summary Rationale: California allows license renewal within five years of expiration before the license
becomes void and re-examination is required.
Question 5
What type of asbestos-containing material is most likely to release fibers during construction cleanup
activities?
A) Non-friable asbestos that is intact and sealed
B) Friable asbestos that can be crumbled by hand pressure
C) Asbestos embedded in vinyl floor tiles
D) Asbestos contained within transite siding panels
California D63 Construction Cleanup Contractor Exam
Actual Test Questions and Correct Answers With
Rationales LATEST THIS YEAR
California D63 Construction Cleanup Contractor Exam
Exam Coverage Summary
The D63 Construction Cleanup exam tests knowledge of asbestos and lead safety regulations, OSHA
requirements, waste disposal procedures, California contractor licensing laws, contract administration,
lien laws, and business management principles applicable to post-construction debris removal and site
cleaning operations.
All 200 Randomized Questions
Question 1
A construction cleanup contractor arrives at a residential remodel site and notices peeling paint on
window trim built before 1978. What must they do before beginning work that disturbs this area?
A) Begin work immediately since cleanup does not disturb paint
B) Assume the paint is lead-free and proceed with caution
C) Have the paint tested for lead content or presume it contains lead
D) Apply a sealant over the peeling paint to contain it
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Correct Answer: C
*Summary Rationale: Federal RRP rule requires lead testing or presumption for pre-1978 surfaces
disturbed by renovation activities.*
Question 2
What is the minimum bond amount required for a California C-61/D63 contractor license?
A) $5,000
B) $10,000
C) $15,000
D) $25,000
Correct Answer: C
*Summary Rationale: California contractor license bond requirement is $15,000 for all classifications
including C-61/D63.*
, Page 3 of 146
Question 3
While pressure washing a construction site, the runoff containing cement dust and paint chips flows
toward a storm drain. What is the appropriate action?
A) Allow the runoff to enter the drain since water is not hazardous
B) Divert the runoff away from the drain and contain it
C) Dilute the runoff with additional water before it reaches the drain
D) Notify the local utility company about the discharge
Correct Answer: B
Summary Rationale: Stormwater regulations prohibit discharging non-stormwater containing pollutants
into storm drain systems.
Question 4
A contractor's license in California expires on March 31, 2025. What is the last day to renew without
taking the exam again?
A) March 31, 2026
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B) March 31, 2027
C) March 31, 2028
D) March 31, 2030
Correct Answer: D
Summary Rationale: California allows license renewal within five years of expiration before the license
becomes void and re-examination is required.
Question 5
What type of asbestos-containing material is most likely to release fibers during construction cleanup
activities?
A) Non-friable asbestos that is intact and sealed
B) Friable asbestos that can be crumbled by hand pressure
C) Asbestos embedded in vinyl floor tiles
D) Asbestos contained within transite siding panels
