COLORADO LEAD INSPECTOR CERTIFICATION
EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) Q&A 2026|INSTANT
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1. What is the primary purpose of a lead-based paint
inspection?
A. To remove all paint from a structure
B. To identify lead-based paint hazards in a property
C. To repaint buildings for aesthetics
D. To test air conditioning systems
Rationale: Lead inspections focus on identifying the presence of
lead-based paint, not removal or unrelated systems.
Correct Answer: B
2. Which population is most vulnerable to lead exposure?
A. Adults over 60
B. Office workers
C. Pregnant women and children under 6
D. Athletes
Rationale: Young children and pregnant women are most
sensitive to neurological and developmental effects of lead.
Correct Answer: C
,3. What is the most common source of lead exposure in older
homes?
A. Plastic pipes
B. Lead-based paint
C. Vinyl flooring
D. Aluminum siding
Rationale: Homes built before 1978 often contain lead-based
paint, the primary exposure source.
Correct Answer: B
4. Which federal agency regulates lead safety standards in
housing?
A. FAA
B. EPA
C. USDA
D. FCC
Rationale: The Environmental Protection Agency (EPA) sets lead
hazard standards for residential environments.
Correct Answer: B
5. What instrument is commonly used in lead paint
inspections?
,A. Barometer
B. X-ray fluorescence (XRF) analyzer
C. Thermometer
D. Sound level meter
Rationale: XRF analyzers are used to detect lead in paint
without damaging surfaces.
Correct Answer: B
6. At what lead level is a child considered to have elevated
blood lead?
A. 1 µg/dL
B. 3.5 µg/dL or higher
C. 10 µg/dL
D. 20 µg/dL
Rationale: CDC recognizes 3.5 µg/dL as the reference level for
elevated exposure.
Correct Answer: B
7. Which regulation governs lead disclosure in real estate
transactions?
A. Clean Water Act
B. Lead-Based Paint Disclosure Rule
C. OSHA Noise Standard
D. Fair Housing Act only
, Rationale: Sellers must disclose known lead hazards under
federal disclosure law.
Correct Answer: B
8. What is a common symptom of lead poisoning in children?
A. Increased height
B. Improved memory
C. Developmental delay
D. Enhanced vision
Rationale: Lead exposure affects neurological development,
causing delays.
Correct Answer: C
9. Which year was lead-based paint banned for residential use
in the U.S.?
A. 1965
B. 1978
C. 1985
D. 1995
Rationale: Lead-based paint was banned in residential use in
1978.
Correct Answer: B
10. What is a “lead hazard”?
EXAM QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) Q&A 2026|INSTANT
DOWNLOAD PDF
1. What is the primary purpose of a lead-based paint
inspection?
A. To remove all paint from a structure
B. To identify lead-based paint hazards in a property
C. To repaint buildings for aesthetics
D. To test air conditioning systems
Rationale: Lead inspections focus on identifying the presence of
lead-based paint, not removal or unrelated systems.
Correct Answer: B
2. Which population is most vulnerable to lead exposure?
A. Adults over 60
B. Office workers
C. Pregnant women and children under 6
D. Athletes
Rationale: Young children and pregnant women are most
sensitive to neurological and developmental effects of lead.
Correct Answer: C
,3. What is the most common source of lead exposure in older
homes?
A. Plastic pipes
B. Lead-based paint
C. Vinyl flooring
D. Aluminum siding
Rationale: Homes built before 1978 often contain lead-based
paint, the primary exposure source.
Correct Answer: B
4. Which federal agency regulates lead safety standards in
housing?
A. FAA
B. EPA
C. USDA
D. FCC
Rationale: The Environmental Protection Agency (EPA) sets lead
hazard standards for residential environments.
Correct Answer: B
5. What instrument is commonly used in lead paint
inspections?
,A. Barometer
B. X-ray fluorescence (XRF) analyzer
C. Thermometer
D. Sound level meter
Rationale: XRF analyzers are used to detect lead in paint
without damaging surfaces.
Correct Answer: B
6. At what lead level is a child considered to have elevated
blood lead?
A. 1 µg/dL
B. 3.5 µg/dL or higher
C. 10 µg/dL
D. 20 µg/dL
Rationale: CDC recognizes 3.5 µg/dL as the reference level for
elevated exposure.
Correct Answer: B
7. Which regulation governs lead disclosure in real estate
transactions?
A. Clean Water Act
B. Lead-Based Paint Disclosure Rule
C. OSHA Noise Standard
D. Fair Housing Act only
, Rationale: Sellers must disclose known lead hazards under
federal disclosure law.
Correct Answer: B
8. What is a common symptom of lead poisoning in children?
A. Increased height
B. Improved memory
C. Developmental delay
D. Enhanced vision
Rationale: Lead exposure affects neurological development,
causing delays.
Correct Answer: C
9. Which year was lead-based paint banned for residential use
in the U.S.?
A. 1965
B. 1978
C. 1985
D. 1995
Rationale: Lead-based paint was banned in residential use in
1978.
Correct Answer: B
10. What is a “lead hazard”?
