….,,,./.,./.,./../../../…./././././.,.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,.,.,.
EPA Lead Risk Assessor Certification Exam
V1 2026/2027 | Complete Practice Questions
& Answer Explanations | Environmental
Protection Agency Study Guide
True or False you should always include inconclusive lead results in a HUD report.
False, never include inconclusive results
True or False, at home test kit results can only be included in a report if they indicate that a home
has lead.
False, at home test kits can only be included in reports if the results are negative.
Painted wall sockets, switches and plates, and walls are an example of what?
Testing combination
Risk Assessor
conducts risk assessments, samples for the presence of lead in dust + soil for the purpose of
abatement clearance testing.
2017 Clearance Levels (HUD)
Interior Floors < 10 ug/ft^2
Porch Floors < 40 ug/ft^2
Sills < 100 ug/ft^2
,….,,,./.,./.,./../../../…./././././.,.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,.,.,.
Troughs < 100 ug/ft^2
Child occupied facility
Anywhere a child spends a minimum 2 days a week, 3 days in a week, 6 hours a visit and 60
hours a year.
Substrates
wood, metal, plaster, concrete
Dripline
Area w/in 3 ft surrounding perimeter of building
Impact surface
an interior or exterior surface that is subject to damage from repeated impacts (parts of door
frames)
Lead Based Paint (check)
paint or other surfaces that contain:
1. 1 ug/cm^2
2. >0.5% by weight
3. 5,000 mg/g
, ….,,,./.,./.,./../../../…./././././.,.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,.,.,.
Mid-yard
Midway between the drip line of a residential building and nearest property boundary
Permanently Covered Soil
pavement or concrete, NOT grass, mulch or gravel
Lead Hazard Screen
purpose of screen is to determine if full risk assessment is needed.
Includes a visual inspection, testing of deteriorated paint and at LEAST 2 dust samples
Percentage of lead housing
90% of housing built < 1940
80% of housing built < 1959
62% of housing built < 1972
Where is the greatest threat of lead contamination?
Dripline
What type of water is more corrosive for lead pipes?
Hot "soft" water is more corrosive
EPA Lead Risk Assessor Certification Exam
V1 2026/2027 | Complete Practice Questions
& Answer Explanations | Environmental
Protection Agency Study Guide
True or False you should always include inconclusive lead results in a HUD report.
False, never include inconclusive results
True or False, at home test kit results can only be included in a report if they indicate that a home
has lead.
False, at home test kits can only be included in reports if the results are negative.
Painted wall sockets, switches and plates, and walls are an example of what?
Testing combination
Risk Assessor
conducts risk assessments, samples for the presence of lead in dust + soil for the purpose of
abatement clearance testing.
2017 Clearance Levels (HUD)
Interior Floors < 10 ug/ft^2
Porch Floors < 40 ug/ft^2
Sills < 100 ug/ft^2
,….,,,./.,./.,./../../../…./././././.,.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,.,.,.
Troughs < 100 ug/ft^2
Child occupied facility
Anywhere a child spends a minimum 2 days a week, 3 days in a week, 6 hours a visit and 60
hours a year.
Substrates
wood, metal, plaster, concrete
Dripline
Area w/in 3 ft surrounding perimeter of building
Impact surface
an interior or exterior surface that is subject to damage from repeated impacts (parts of door
frames)
Lead Based Paint (check)
paint or other surfaces that contain:
1. 1 ug/cm^2
2. >0.5% by weight
3. 5,000 mg/g
, ….,,,./.,./.,./../../../…./././././.,.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,.,.,.
Mid-yard
Midway between the drip line of a residential building and nearest property boundary
Permanently Covered Soil
pavement or concrete, NOT grass, mulch or gravel
Lead Hazard Screen
purpose of screen is to determine if full risk assessment is needed.
Includes a visual inspection, testing of deteriorated paint and at LEAST 2 dust samples
Percentage of lead housing
90% of housing built < 1940
80% of housing built < 1959
62% of housing built < 1972
Where is the greatest threat of lead contamination?
Dripline
What type of water is more corrosive for lead pipes?
Hot "soft" water is more corrosive
