EPA LEAD RISK ASSESSOR UPDATED
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS
●● ug/ft2
Answer: microgram per foot square (dust sampling)
●● mg/cm2
Answer: milligrams per centimeter squared (XRF)
●● ug/dL
Answer: microgram per deci-liter
●● ug/m3
Answer: microgram per deci-liter (quantity in blood)
●● 1%
Answer: 10,000 ppm
●● Allowed quantity of lead in dry surface paint when testing with XRF.
Answer: 1.0 mg/cm2
,●● Allowed quantity of lead in dry surface paint when testing with paint
chip
Answer: 5000 ppm
●● Allowed quantity of lead in dry surface paint by weight
Answer: .5% = 5000ppm
●● Lead Quantities for Dust Clearance from floors/carpet
Answer: 40 ug/ft2
●● Lead Quantities for Dust Clearance from furniture
Answer: 40 ug/ft2
●● Lead Quantities for Dust Clearance from window sills
Answer: 250 ug/ft2
●● Lead Quantities for Dust Clearance from window wells
Answer: 400 ug/ft2
●● Lead Quantities for Dust Clearance from outside concrete
Answer: 800 ug/ft2
,●● Lead Quantities for Soil Clearance in contact areas
Answer: 400 ppm
●● Lead Quantities for Soil Clearance in non-contact areas
Answer: 1200 ppm
●● Allowable lead quantity in water
Answer: 15 ppb/liter, or 15 mgL
●● Lead blood level of concern for children
Answer: 5 ug/dL
●● NIOSH Lead blood level of concern
Answer: 25 ug/dL
●● OSHA employee lead blood level of concern
Answer: 40 ug/dL
●● OSHA medical removal lead blood level
Answer: 50 ug/d?
, ●● Lead Paint 1978 level allowed
Answer: .06%; 600 ppm
●● Current level lead allowed in paint
Answer: .009%; 90 ppm
●● Lead Paint allowed in all other consumer products
Answer: .01%; 100 ppm
●● Hazardous Waste Toxic Characteristic Leaching Procedure (TCLP)
Answer: 5 ppm
●● The use of lead based paint exceeding .06% was banned
Answer: 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.
Answer: False
●● Title X does not apply to;
Answer: bridges and steel structure; hotels and motels rented less than
100 days and commercial complexes.
ACTUAL EXAM QUESTIONS AND CORRECT
ANSWERS
●● ug/ft2
Answer: microgram per foot square (dust sampling)
●● mg/cm2
Answer: milligrams per centimeter squared (XRF)
●● ug/dL
Answer: microgram per deci-liter
●● ug/m3
Answer: microgram per deci-liter (quantity in blood)
●● 1%
Answer: 10,000 ppm
●● Allowed quantity of lead in dry surface paint when testing with XRF.
Answer: 1.0 mg/cm2
,●● Allowed quantity of lead in dry surface paint when testing with paint
chip
Answer: 5000 ppm
●● Allowed quantity of lead in dry surface paint by weight
Answer: .5% = 5000ppm
●● Lead Quantities for Dust Clearance from floors/carpet
Answer: 40 ug/ft2
●● Lead Quantities for Dust Clearance from furniture
Answer: 40 ug/ft2
●● Lead Quantities for Dust Clearance from window sills
Answer: 250 ug/ft2
●● Lead Quantities for Dust Clearance from window wells
Answer: 400 ug/ft2
●● Lead Quantities for Dust Clearance from outside concrete
Answer: 800 ug/ft2
,●● Lead Quantities for Soil Clearance in contact areas
Answer: 400 ppm
●● Lead Quantities for Soil Clearance in non-contact areas
Answer: 1200 ppm
●● Allowable lead quantity in water
Answer: 15 ppb/liter, or 15 mgL
●● Lead blood level of concern for children
Answer: 5 ug/dL
●● NIOSH Lead blood level of concern
Answer: 25 ug/dL
●● OSHA employee lead blood level of concern
Answer: 40 ug/dL
●● OSHA medical removal lead blood level
Answer: 50 ug/d?
, ●● Lead Paint 1978 level allowed
Answer: .06%; 600 ppm
●● Current level lead allowed in paint
Answer: .009%; 90 ppm
●● Lead Paint allowed in all other consumer products
Answer: .01%; 100 ppm
●● Hazardous Waste Toxic Characteristic Leaching Procedure (TCLP)
Answer: 5 ppm
●● The use of lead based paint exceeding .06% was banned
Answer: 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.
Answer: False
●● Title X does not apply to;
Answer: bridges and steel structure; hotels and motels rented less than
100 days and commercial complexes.
