EPA Lead Risk Assessor Cert. Exam
UPDATED Study Guide QUESTIONS
AND CORRECT ANSWERS
- ug/g - CORRECT ANSWERS microgram per gram
ug/ft2 - CORRECT ANSWERS microgram per foot square
(dust sampling)
mg/cm2 - CORRECT ANSWERS milligrams per centimeter
squared (XRF)
ug/dL - CORRECT ANSWERS microgram per deci-liter
ug/m3 - CORRECT ANSWERS microgram per deci-liter
(quantity in blood)
1% - CORRECT ANSWERS 10,000 ppm
Allowed quantity of lead in dry surface paint when testing with XRF.
- CORRECT ANSWERS 1.0 mg/cm2
Allowed quantity of lead in dry surface paint when testing with paint
chip - CORRECT ANSWERS 5000 ppm
,Allowed quantity of lead in dry surface paint by weight - CORRECT
ANSWERS .5% = 5000ppm
Lead Quantities for Dust Clearance from floors/carpet - CORRECT
ANSWERS 40 ug/ft2
Lead Quantities for Dust Clearance from furniture - CORRECT
ANSWERS 40 ug/ft2
Lead Quantities for Dust Clearance from window sills - CORRECT
ANSWERS 250 ug/ft2
Lead Quantities for Dust Clearance from window wells - CORRECT
ANSWERS 400 ug/ft2
Lead Quantities for Dust Clearance from outside concrete -
CORRECT ANSWERS 800 ug/ft2
Lead Quantities for Soil Clearance in contact areas - CORRECT
ANSWERS 400 ppm
Lead Quantities for Soil Clearance in non-contact areas - CORRECT
ANSWERS 1200 ppm
Allowable lead quantity in water - CORRECT ANSWERS 15
ppb/liter, or 15 mgL
, Lead blood level of concern for children - CORRECT ANSWERS
5 ug/dL
NIOSH Lead blood level of concern - CORRECT ANSWERS
25 ug/dL
OSHA employee lead blood level of concern - CORRECT
ANSWERS 40 ug/dL
OSHA medical removal lead blood level - CORRECT ANSWERS
50 ug/d?
Lead Paint 1978 level allowed - CORRECT ANSWERS .06%;
600 ppm
Current level lead allowed in paint - CORRECT ANSWERS
.009%; 90 ppm
Lead Paint allowed in all other consumer products - CORRECT
ANSWERS .01%; 100 ppm
Hazardous Waste Toxic Characteristic Leaching Procedure (TCLP) -
CORRECT ANSWERS 5 ppm
UPDATED Study Guide QUESTIONS
AND CORRECT ANSWERS
- ug/g - CORRECT ANSWERS microgram per gram
ug/ft2 - CORRECT ANSWERS microgram per foot square
(dust sampling)
mg/cm2 - CORRECT ANSWERS milligrams per centimeter
squared (XRF)
ug/dL - CORRECT ANSWERS microgram per deci-liter
ug/m3 - CORRECT ANSWERS microgram per deci-liter
(quantity in blood)
1% - CORRECT ANSWERS 10,000 ppm
Allowed quantity of lead in dry surface paint when testing with XRF.
- CORRECT ANSWERS 1.0 mg/cm2
Allowed quantity of lead in dry surface paint when testing with paint
chip - CORRECT ANSWERS 5000 ppm
,Allowed quantity of lead in dry surface paint by weight - CORRECT
ANSWERS .5% = 5000ppm
Lead Quantities for Dust Clearance from floors/carpet - CORRECT
ANSWERS 40 ug/ft2
Lead Quantities for Dust Clearance from furniture - CORRECT
ANSWERS 40 ug/ft2
Lead Quantities for Dust Clearance from window sills - CORRECT
ANSWERS 250 ug/ft2
Lead Quantities for Dust Clearance from window wells - CORRECT
ANSWERS 400 ug/ft2
Lead Quantities for Dust Clearance from outside concrete -
CORRECT ANSWERS 800 ug/ft2
Lead Quantities for Soil Clearance in contact areas - CORRECT
ANSWERS 400 ppm
Lead Quantities for Soil Clearance in non-contact areas - CORRECT
ANSWERS 1200 ppm
Allowable lead quantity in water - CORRECT ANSWERS 15
ppb/liter, or 15 mgL
, Lead blood level of concern for children - CORRECT ANSWERS
5 ug/dL
NIOSH Lead blood level of concern - CORRECT ANSWERS
25 ug/dL
OSHA employee lead blood level of concern - CORRECT
ANSWERS 40 ug/dL
OSHA medical removal lead blood level - CORRECT ANSWERS
50 ug/d?
Lead Paint 1978 level allowed - CORRECT ANSWERS .06%;
600 ppm
Current level lead allowed in paint - CORRECT ANSWERS
.009%; 90 ppm
Lead Paint allowed in all other consumer products - CORRECT
ANSWERS .01%; 100 ppm
Hazardous Waste Toxic Characteristic Leaching Procedure (TCLP) -
CORRECT ANSWERS 5 ppm
