EPA Lead Risk Assessor Exam Study Guide 2022 with complete solution;(Answers have been placed before each question)

EPA Lead Risk Assessor Exam Study Guide 2022 with complete solution;(Answers have been placed before each question) HUD Guidelines What Federal document serves as an overall guideline for performing inspections, risk assessments, and abatement activities? chelation therapy A child may be treated for lead poisoning by using... Identify LBP hazards The purpose of a lead risk assessment is to? Elevated Blood Level What does EBL mean? Ingestion of lead dust How does lead primarily enter children's bodies? No, the elevated blood levels of 17ug/dL and 16ug/dL were not consecutive Would a child with consecutive blood lead tests of 17 ug/dl, 9 ug/dl, and 16 ug/dl be considered to be lead poisoned? Lead Inspection Which is more useful for the renovation contractor, the lead inspection or the risk assessment? Visual Dust Soil Paint Chip XRF Water What six sampling methods do Risk Assessors use to identify lead hazards? Notify the client in writing A certified Risk Assessor may conduct a Risk assessment on a property which is to be abated by the firm for which they work, if they... 30 ug/m3 What is the OSHA Action Level for lead? Optional Water sampling as part of a Risk Assessment is: Mandatory, Optional, or Never included? Dust Friction Surface Impact Surface Chewable Surface Deteriorated Paint Soil What are the six LBP hazards defined by EPA? 1,200 ppm EPA Soil lead hazard in general yard area True XRF analysis is the most common method for determining LBP False, XRF is most commonly used to determine LBP but not hazards XRF analysis is the most common method for determining lead hazards Performance Characteristic Sheet (PCS) supplied with the XRF Where would you find operational data for an XRF? 13 How many dust samples are usually taken for a Risk Assessment? Removal Enclosure Encapsulation What are the three forms of lead abatement? 3 shots on the 1.02 standard How do you calibrate an XRF? Beginning End Every 4 hours Every time the device is powered down How often do you calibrate an XRF? Equal to or greater than 1.0 mg/cm2 LBP per XRF Greater than 0.5% by weight LBP % level by paint chip analysis 40 ug/ft2 EPA Floor clearance/hazard level 250 ug/ft2 EPA Window sill or stool clearance/hazard level 400 ug/ft2 EPA Window trough or well clearance/hazard level 50 ug/m3 OSHA lead PEL 30 ug/m3 OSHA lead Action Level 400 ppm EPA Soil play area/vegetable garden clearance/hazard level 1,200 ppm EPA Soil other parts of yard clearance/hazard level 5,000 ppm HUD required Level for soil abatement greater than 15 ppb or 15ug/l or 0.015mg/l EPA action level criteria for lead in drinking water 5 ug/dL Lead blood Level requiring investigation in children A single LBL reading above 20 ug/dL or two consecutive readings between 15-19 ug/dL. (Consecutive readings must be taken at least 3 months apart) Lead poisoned criteria 50 ug/dL OSHA medical removal level for lead in adult worker blood -same as PEL 40 ug/dL OSHA back to work level for lead in adult worker blood Any houses built before 1978 except: Housing designated for elderly Designated housing for adult disabled Zero bedroom units (except a child under age 6) Vacant houses awaiting demolition What is considered Target Housing? ANY building, or portion of building: Built before 1978; Visited by the same child who is less than 6 years old; On 2 separate days per week; For at least 3 hours per visit; For a total of 60 hours total per year What is a Child Occupied Facility? Disturbed surfaces are less than: 20 sq. ft. for exterior surfaces 2 sq. ft. per room for interior surfaces 10% of surface area on any small component surface Surface area criteria where EPA regulations do not apply? 10 up to 500 ug/m3 Protection Factor of a 1/2 face NPR, lead concentrations of? 50 up to 2,500 ug/m3 Protection Factor of a full-face NPR, lead concentrations of? 100 up to 5,000 ug/m3 Protect Factor of a PAPR, lead concentrations of? Written program Respirator training Fit test Annual physical Fit check OSHA respirator requirements 1,000 up to 50,000 ug/m3 Protection Factor of SCBA, lead concentrations of?