EPA Risk Assessor Exam (New 2026/ 2027
Update) Questions & Answers {Grade A}
100% Correct (Verified Solutions)
When taking soil samples along the building foundation, take samples __ to __ feet
apart, and __ to __ ft from the building exterior - Correct answer 2-6 feet
2-3 feet
T/F: You want to take a soil sample from bare soil where a child swing is located. You
take soil subsamples following a Z pattern. - Correct answer False. X Pattern.
Scenario: Your risk assessor trainee is trying to take soil samples next to the building
foundation. There are a lot of small paint chips. The trainee makes extra effort to
sample more of these paint chips, saying that this way we'll get a better idea of the
amount of lead coming from the building exterior. Is his methodology reasonable? -
Correct answer No. You should make no special attempt to over sample paint chips.
How are soil samples analyzed in the lab? Name 3 methods. - Correct answer XRF
Atomic Absorption Spectroscopy (AAS)
,Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP)
AAS - Correct answer Atomic Absorption Spectroscopy
ICP - Correct answer Inductively Coupled Plasma Atomic Emission Spectroscopy
You should only use laboratories recognized under the EPA ____ Program. - Correct
answer National Lead Laboratory Accreditation Program
According to Title X, HUD guidelines MUST be used for what type of housing? - Correct
answer Federally supported housing
Deteriorated paint is a LBPH only if it meets the "poor" definition, and if it contains
__________________.
A) non detectable lead.
B) if it contains radon above the applicable federal or local standard.
C) if it contains lead above the applicable federal or local standard
,D) several layers of paint. - Correct answer C
You are now taking some samples of deteriorated paint, and the owner is present. You
notice some areas with deteriorated paint, and by XRF testing those areas are less
than the applicable standard. The owner looks happy and asks if this area is lead
"safe". How do you respond?
A) He's right. It is lead safe.
B) Never state that deteriorated paint is "safe".
C) You say that the area is free of lead paint. - Correct answer B
What are the federal standards for lead in paint? - Correct answer 1.0 mg/cm^2 for
XRF or lab
5,000 ug/g by laboratory analysis
Convert 5,000 ug/g to:
ppm
mg/gkg
, % by weight - Correct answer 5,000 ppm
5,000 mg/kg
0.5% by weight
In most cases, risk assessments will result in an need to measure __ to __ paint films.
- Correct answer 2-10
Friction and impact surfaces should be analyzed through:
A) Paint chip
B) Dust sample
C) XRF - Correct answer B
Accessible and chewable surfaces should be analyzed through:
A) Paint chips
B) XRF
C) Visual asessment - Correct answer C
Update) Questions & Answers {Grade A}
100% Correct (Verified Solutions)
When taking soil samples along the building foundation, take samples __ to __ feet
apart, and __ to __ ft from the building exterior - Correct answer 2-6 feet
2-3 feet
T/F: You want to take a soil sample from bare soil where a child swing is located. You
take soil subsamples following a Z pattern. - Correct answer False. X Pattern.
Scenario: Your risk assessor trainee is trying to take soil samples next to the building
foundation. There are a lot of small paint chips. The trainee makes extra effort to
sample more of these paint chips, saying that this way we'll get a better idea of the
amount of lead coming from the building exterior. Is his methodology reasonable? -
Correct answer No. You should make no special attempt to over sample paint chips.
How are soil samples analyzed in the lab? Name 3 methods. - Correct answer XRF
Atomic Absorption Spectroscopy (AAS)
,Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP)
AAS - Correct answer Atomic Absorption Spectroscopy
ICP - Correct answer Inductively Coupled Plasma Atomic Emission Spectroscopy
You should only use laboratories recognized under the EPA ____ Program. - Correct
answer National Lead Laboratory Accreditation Program
According to Title X, HUD guidelines MUST be used for what type of housing? - Correct
answer Federally supported housing
Deteriorated paint is a LBPH only if it meets the "poor" definition, and if it contains
__________________.
A) non detectable lead.
B) if it contains radon above the applicable federal or local standard.
C) if it contains lead above the applicable federal or local standard
,D) several layers of paint. - Correct answer C
You are now taking some samples of deteriorated paint, and the owner is present. You
notice some areas with deteriorated paint, and by XRF testing those areas are less
than the applicable standard. The owner looks happy and asks if this area is lead
"safe". How do you respond?
A) He's right. It is lead safe.
B) Never state that deteriorated paint is "safe".
C) You say that the area is free of lead paint. - Correct answer B
What are the federal standards for lead in paint? - Correct answer 1.0 mg/cm^2 for
XRF or lab
5,000 ug/g by laboratory analysis
Convert 5,000 ug/g to:
ppm
mg/gkg
, % by weight - Correct answer 5,000 ppm
5,000 mg/kg
0.5% by weight
In most cases, risk assessments will result in an need to measure __ to __ paint films.
- Correct answer 2-10
Friction and impact surfaces should be analyzed through:
A) Paint chip
B) Dust sample
C) XRF - Correct answer B
Accessible and chewable surfaces should be analyzed through:
A) Paint chips
B) XRF
C) Visual asessment - Correct answer C
