EPA Lead Risk Assessor Cert. Exam Graded A

ug/g - ANSWER-microgram per gram 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