Certification Exam With Actual
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1. The primary purpose of a lead risk assessment is to:
a) Identify all sources of lead-based paint in a building
b) Determine the presence, nature, severity, and location of lead-based
paint hazards
c) Remove lead paint from a property
d) Certify a property as lead-free
Answer: b
The goal of a lead risk assessment is to identify hazards—not all lead-
based paint—by determining where exposure risks exist.
2. A lead-based paint hazard is defined by EPA as:
a) Any paint containing any detectable lead
b) Paint with a lead concentration of 1.0 mg/cm² or greater
c) Deteriorated paint, dust, or soil that poses an exposure risk
d) Paint that is more than 40 years old
Answer: c
Lead hazards involve conditions that could result in human exposure, not
just the mere presence of lead.
3. The federal regulation governing lead-based paint activities is:
a) 40 CFR Part 745
b) 29 CFR 1910.120
, c) 49 CFR 172
d) 40 CFR Part 261
Answer: a
EPA regulations for lead-based paint activities, including risk assessment,
are found in 40 CFR Part 745.
4. The X-ray fluorescence (XRF) analyzer is used in a lead risk assessment
to:
a) Measure airborne lead levels
b) Determine the concentration of lead in paint
c) Test soil lead concentration
d) Collect dust wipe samples
Answer: b
XRF instruments quickly determine the lead concentration in painted
surfaces.
5. The lead hazard standard for floors (dust) in target housing is:
a) 10 µg/ft²
b) 40 µg/ft²
c) 100 µg/ft²
d) 400 µg/ft²
Answer: a
EPA’s current dust-lead hazard standard for floors is 10 µg/ft².
6. Soil-lead hazard levels in play areas are defined as:
a) 100 ppm
b) 200 ppm
c) 400 ppm
d) 1,200 ppm
Answer: c
EPA defines soil-lead hazards in play areas as soil containing 400 ppm or
more of lead.
7. A "child-occupied facility" is defined as a building where a child under
age:
a) 10 spends at least 5 hours per week
b) 6 spends at least 3 hours per day or 60 hours per year
, c) 7 spends 5 hours per week or 60 hours per year
d) 5 spends 2 hours per week
Answer: b
EPA defines child-occupied facilities as those regularly visited by children
under 6 years old.
8. The purpose of the visual inspection during a risk assessment is to:
a) Locate lead-based paint
b) Identify deteriorated paint and potential lead hazards
c) Collect samples for laboratory analysis
d) Remove contaminated materials
Answer: b
Visual inspection helps locate deteriorated paint and areas needing
sampling.
9. Which sample type is collected to measure lead contamination on floors
and window sills?
a) Paint chip
b) Dust wipe
c) Soil core
d) Air cassette
Answer: b
Dust wipes measure surface contamination levels on interior surfaces.
10.Dust wipe samples should be collected from:
a) Clean areas only
b) Any visibly dirty surface
c) Representative horizontal surfaces such as floors and window sills
d) Exterior walls
Answer: c
Dust wipes should represent typical exposure areas for occupants.
11.The laboratory analysis method for dust and paint samples is typically:
a) Gas chromatography
b) Inductively Coupled Plasma (ICP)
c) Gravimetric analysis
d) Spectrophotometric analysis