EPA LEAD RISK ASSESSOR
EPA LEAD RISK ASSESSOR EXAM
STUDY GUIDE LATEST 2024-
2025 UPDATE WITH 125
QUESTIONS AND VERIFIED
ANSWERS
ug/g - ANS ✔microgram per gram
ug/ft2 - ANS ✔microgram per foot square (dust sampling)
mg/cm2 - ANS ✔milligrams per centimeter squared (XRF)
ug/dL - ANS ✔microgram per decilitre
ug/m3 - ANS ✔microgram per decilitre (quantity in blood)
1% - ANS ✔10,000 ppm
EPA LEAD RISK ASSESSOR EXAM STUDY GUIDE
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EPA LEAD RISK ASSESSOR
Allowed quantity of lead in dry surface paint when testing
with XRF. - ANS ✔1.0 mg/cm2
Allowed quantity of lead in dry surface paint when testing
with paint chip - ANS ✔5000 ppm
Allowed quantity of lead in dry surface paint by weight - ANS
✔.5% = 5000ppm
Lead Quantities for Dust Clearance from floors/carpet - ANS
✔40 ug/ft2
Lead Quantities for Dust Clearance from furniture - ANS ✔40
ug/ft2
Lead Quantities for Dust Clearance from window sills - ANS
✔250 ug/ft2
Lead Quantities for Dust Clearance from window wells - ANS
✔400 ug/ft2
EPA LEAD RISK ASSESSOR EXAM STUDY GUIDE
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EPA LEAD RISK ASSESSOR
Lead Quantities for Dust Clearance from outside concrete -
ANS ✔800 ug/ft2
Lead Quantities for Soil Clearance in contact areas - ANS
✔400 ppm
Lead Quantities for Soil Clearance in non-contact areas - ANS
✔1200 ppm
Allowable lead quantity in water - ANS ✔15 ppb/litter, or 15
mgL
Lead blood level of concern for children - ANS ✔5 ug/dL
NIOSH Lead blood level of concern - ANS ✔25 ug/dL
OSHA employee lead blood level of concern - ANS ✔40 ug/dL
OSHA medical removal lead blood level - ANS ✔50 ug/d?
EPA LEAD RISK ASSESSOR EXAM STUDY GUIDE
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EPA LEAD RISK ASSESSOR
Lead Paint 1978 level allowed - ANS ✔.06%; 600 ppm
Current level lead allowed in paint - ANS ✔.009%; 90 ppm
Lead Paint allowed in all other consumer products - ANS
✔.01%; 100 ppm
Hazardous Waste Toxic Characteristic Leaching Procedure
(TCLP) - ANS ✔5 ppm
The use of lead based paint exceeding .06% was banned -
ANS ✔in 1978 for residential housing.
T/F the concentration of lead paint in deteriorating housing
must be greater than 1 mg/cm2 by XRF to pose a threat to
workers doing renovation or abatement practices. - ANS
✔False
EPA LEAD RISK ASSESSOR EXAM STUDY GUIDE