NJ Lead Supervisor for Housing and Public Buildings
100-Question Practice Exam Study Guide — 2026–2027
Domain I: Lead Safety Regulations and Regulatory Framework (Q1–Q15)
1. Under N.J.A.C. 5:17, which New Jersey agency has primary authority over lead hazard evaluation and
abatement in housing and public buildings?
A) New Jersey Department of Health (NJDOH) B) New Jersey Department of Environmental Protection
(NJDEP)
C) New Jersey Department of Community Affairs D) New Jersey Department of Labor (NJDOL)
(DCA)
Rationale: N.J.A.C. 5:17 is the Lead Hazard Evaluation and Abatement Code administered by the NJ Department of
Community Affairs (DCA). NJDOH administers N.J.A.C. 8:62 for childhood lead poisoning.
2. What is the application form required for the NJ Lead Supervisor for Housing and Public Buildings
certification?
A) EHS-1 B) EHS-23
C) DCA-LA-100 D) OSHA-1926
Rationale: The EHS-23 application form is used for the Supervisor for Housing and Public Buildings certification
through NJDOH.
3. How much is the application fee for the NJ Lead Supervisor for Housing and Public Buildings certification?
A) $80 B) $100
C) $150 D) $200
Rationale: The fee for the Supervisor for Housing and Public Buildings certification is $150. Workers pay $80 with no
exam required.
4. What is the minimum training hour requirement for a Lead Supervisor for Housing and Public Buildings in
New Jersey?
A) 16 hours B) 24 hours
C) 40 hours D) 56 hours
Rationale: Supervisor for Housing and Public Buildings requires 40 hours of approved training. Workers need 16
hours, and Planner/Project Designers need 56 hours (40 supervisor + 16 PPD-specific).
5. Which of the following meets the prerequisite requirement for the NJ Lead Supervisor certification?
A) A high school diploma with 6 months of general B) One year of experience as a lead abatement
construction experience worker
C) Completion of a 4-year degree in environmental D) Six months of experience as a painter
science
Rationale: The prerequisite is 1 year of experience as a lead abatement worker OR 2 years in a related
field/construction trades. A 4-year degree alone does not satisfy the requirement.
6. A Lead Supervisor in New Jersey must be employed by a contractor licensed by which agency before
conducting lead activities?
A) New Jersey Department of Health B) New Jersey Department of Environmental Protection
1
, C) New Jersey Department of Community Affairs D) U.S. Environmental Protection Agency
(DCA)
Rationale: Supervisors must be employed by a contractor licensed by the NJ DCA before performing any lead
abatement activities.
7. How long are lead abatement permits valid in New Jersey?
A) 1 year B) 2 years
C) 3 years D) 5 years
Rationale: Lead abatement permits in New Jersey are valid for 2 years. Lead-safe certifications for rental dwellings are
required every 3 years.
8. N.J.A.C. 8:62 primarily addresses which of the following?
A) Lead hazard evaluation and abatement in housing B) Lead-based paint inspections in rental dwelling units
C) Childhood lead poisoning prevention and D) Lead abatement worker training standards
treatment
Rationale: N.J.A.C. 8:62 is the NJDOH regulation addressing childhood lead poisoning. N.J.A.C. 5:17 covers
abatement, and N.J.A.C. 5:28A covers rental inspections.
9. Under NJ S.523/A.3638 (2024 law), how frequently must lead-safe certifications be obtained for rental
dwellings?
A) Every 1 year B) Every 2 years
C) Every 3 years D) Every 5 years
Rationale: The 2024 NJ law (S.523/A.3638) strengthened lead inspection requirements, mandating lead-safe
certifications every 3 years for rental dwellings.
10. In municipalities where at least 3% of children aged 6 or younger have a BLL of 5 mcg/dL or greater, what
type of lead inspection is required?
A) Visual inspection only B) Dust wipe sampling
C) XRF testing D) Paint chip sampling
Rationale: Municipalities with ≥3% of children (≤6 yr) with BLL ≥5 mcg/dL must use dust wipe sampling. Other
municipalities may use visual inspection.
11. What is the total cost for filing a lead-safe or lead-free certification with both the municipality and the DCA?
A) $20 B) $25
C) $40 D) $45
Rationale: The filing fee is $25 to the municipality plus $20 to the DCA, totaling $45 for a lead-safe or lead-free
certification filing.
12. A Lead-Free Certification issued in New Jersey has which of the following characteristics?
A) Valid for 2 years from the date of issuance B) Valid for 3 years from the date of issuance
C) Valid for 5 years from the date of issuance D) No expiration date
Rationale: Lead-Free Certifications in New Jersey have no expiration. They are issued after abatement is confirmed to
have removed all lead-based paint hazards.
13. Housing built before which year is presumed to contain lead-based paint in New Jersey?
A) 1950 B) 1960
C) 1978 D) 1980
2
100-Question Practice Exam Study Guide — 2026–2027
Domain I: Lead Safety Regulations and Regulatory Framework (Q1–Q15)
1. Under N.J.A.C. 5:17, which New Jersey agency has primary authority over lead hazard evaluation and
abatement in housing and public buildings?
A) New Jersey Department of Health (NJDOH) B) New Jersey Department of Environmental Protection
(NJDEP)
C) New Jersey Department of Community Affairs D) New Jersey Department of Labor (NJDOL)
(DCA)
Rationale: N.J.A.C. 5:17 is the Lead Hazard Evaluation and Abatement Code administered by the NJ Department of
Community Affairs (DCA). NJDOH administers N.J.A.C. 8:62 for childhood lead poisoning.
2. What is the application form required for the NJ Lead Supervisor for Housing and Public Buildings
certification?
A) EHS-1 B) EHS-23
C) DCA-LA-100 D) OSHA-1926
Rationale: The EHS-23 application form is used for the Supervisor for Housing and Public Buildings certification
through NJDOH.
3. How much is the application fee for the NJ Lead Supervisor for Housing and Public Buildings certification?
A) $80 B) $100
C) $150 D) $200
Rationale: The fee for the Supervisor for Housing and Public Buildings certification is $150. Workers pay $80 with no
exam required.
4. What is the minimum training hour requirement for a Lead Supervisor for Housing and Public Buildings in
New Jersey?
A) 16 hours B) 24 hours
C) 40 hours D) 56 hours
Rationale: Supervisor for Housing and Public Buildings requires 40 hours of approved training. Workers need 16
hours, and Planner/Project Designers need 56 hours (40 supervisor + 16 PPD-specific).
5. Which of the following meets the prerequisite requirement for the NJ Lead Supervisor certification?
A) A high school diploma with 6 months of general B) One year of experience as a lead abatement
construction experience worker
C) Completion of a 4-year degree in environmental D) Six months of experience as a painter
science
Rationale: The prerequisite is 1 year of experience as a lead abatement worker OR 2 years in a related
field/construction trades. A 4-year degree alone does not satisfy the requirement.
6. A Lead Supervisor in New Jersey must be employed by a contractor licensed by which agency before
conducting lead activities?
A) New Jersey Department of Health B) New Jersey Department of Environmental Protection
1
, C) New Jersey Department of Community Affairs D) U.S. Environmental Protection Agency
(DCA)
Rationale: Supervisors must be employed by a contractor licensed by the NJ DCA before performing any lead
abatement activities.
7. How long are lead abatement permits valid in New Jersey?
A) 1 year B) 2 years
C) 3 years D) 5 years
Rationale: Lead abatement permits in New Jersey are valid for 2 years. Lead-safe certifications for rental dwellings are
required every 3 years.
8. N.J.A.C. 8:62 primarily addresses which of the following?
A) Lead hazard evaluation and abatement in housing B) Lead-based paint inspections in rental dwelling units
C) Childhood lead poisoning prevention and D) Lead abatement worker training standards
treatment
Rationale: N.J.A.C. 8:62 is the NJDOH regulation addressing childhood lead poisoning. N.J.A.C. 5:17 covers
abatement, and N.J.A.C. 5:28A covers rental inspections.
9. Under NJ S.523/A.3638 (2024 law), how frequently must lead-safe certifications be obtained for rental
dwellings?
A) Every 1 year B) Every 2 years
C) Every 3 years D) Every 5 years
Rationale: The 2024 NJ law (S.523/A.3638) strengthened lead inspection requirements, mandating lead-safe
certifications every 3 years for rental dwellings.
10. In municipalities where at least 3% of children aged 6 or younger have a BLL of 5 mcg/dL or greater, what
type of lead inspection is required?
A) Visual inspection only B) Dust wipe sampling
C) XRF testing D) Paint chip sampling
Rationale: Municipalities with ≥3% of children (≤6 yr) with BLL ≥5 mcg/dL must use dust wipe sampling. Other
municipalities may use visual inspection.
11. What is the total cost for filing a lead-safe or lead-free certification with both the municipality and the DCA?
A) $20 B) $25
C) $40 D) $45
Rationale: The filing fee is $25 to the municipality plus $20 to the DCA, totaling $45 for a lead-safe or lead-free
certification filing.
12. A Lead-Free Certification issued in New Jersey has which of the following characteristics?
A) Valid for 2 years from the date of issuance B) Valid for 3 years from the date of issuance
C) Valid for 5 years from the date of issuance D) No expiration date
Rationale: Lead-Free Certifications in New Jersey have no expiration. They are issued after abatement is confirmed to
have removed all lead-based paint hazards.
13. Housing built before which year is presumed to contain lead-based paint in New Jersey?
A) 1950 B) 1960
C) 1978 D) 1980
2
