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Exam (elaborations)

EPA Lead Risk Assessor Cert. Exam questions with verified solutions.

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ug/g microgram per gram ug/ft2 microgram per foot square (dust sampling) mg/cm2 milligrams per centimeter squared (XRF) ug/dL microgram per deci-liter ug/m3 microgram per deci-liter (quantity in blood) 1% 10,000 ppm Allowed quantity of lead in dry sur...

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  • September 21, 2023
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  • 2023/2024
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EPA Lead Risk Assessor Cert. Exam
questions with verified solutions
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


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.


What is the primary objective of a Lead Paint Risk Assessment? - answer to discover lead
hazards


What is the primary objective of a Lead Paint Inspection? - answer to discover lead paint


TSCA Title IV, Section 402/404 Rule directed EPA to; - answer develop training and certification
requirements for lead professionals. Individuals performing inspections and risk assessments for
lead hazards must be certified through the EPA accredited program


T/F EPA's debris rule advises contractors that lead waste generated during renovation and
remodeling of residential housing is now waived from RCRA's rule and can be disposed of as
municipal waste - answer True


T/F OSHA established the standard for the worker's permissible exposure limit, action limit, and
exposure time while abating lead - answer True


T/F Section 1012/1013 within Title X are sections referring to HUD rules - answer True


Y/N Are lead inspections mandatory in pre 1978 housing? - answer No


A lead inspection is a - answer surface by surface investigation for lead based paint.

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