Lead Risk Assessor Questions and Answers 100% Pass

Lead Risk Assessor Questions and Answers 100% Pass What Federal document serves as an overall guideline for performing inspections, risk assessments, and abatement activities? HUD Guidelines A child may be treated for lead poisoning by using... chelation therapy The purpose of a lead risk assessment is to? Identify LBP hazards What does EBL mean? Elevated Blood Level How does lead primarily enter children's bodies? Ingestion of lead dust 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? No Which is more useful for the renovation contractor, the lead inspection or the risk assessment? Lead Inspection What six sampling methods do Risk Assessors use to identify lead hazards? Visual Dust Soil Paint Chip XRF Water 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... Notify the client in writing What is the OSHA Action Level for lead? 30 ug/m3 Water sampling as part of a Risk Assessment is: Mandatory, Optional, or Never included? Optional What are the six LBP hazards defined by EPA? Dust Friction Surface Impact Surface Chewable Surface Deteriorated Paint Soil Soil lead hazard in general yard area 1,200 ppm XRF analysis is the most common method for determining LBP True XRF analysis is the most common method for determining lead hazards False Where would you find operational data for an XRF? Performance Characteristic Sheet (PCS) How many dust samples are usually taken for a Risk Assessment? 13 What are the three forms of lead abatement? Removal Enclosure Encapsulation How do you calibrate an XRF? 3 shots on the 1.02 standard How often do you calibrate an XRF? Beginning End Every 4 hours Every time the device is powered down LBP per XRF Equal to or greater than 1.0 mg/cm2 LBP per paint chip analysis Greater than 0.5% by weight Floor clearance/hazard level 40 ug/ft2 Window sill or stool clearance/hazard level 250 ug/ft2 Window trough or well clearance/hazard level 400 ug/ft2 OSHA lead PEL 50 ug/m3 OSHA lead Action Level 30 ug/m3 Soil play area/vegetable garden clearance/hazard level 400 ppm Soil other parts of yard clearance/hazard level 1,200 ppm HUD required Level for soil abatement 5,000 ppm EPA criteria for lead in drinking water 15 ppb Blood Level requiring investigation in children 5 ug/dL Lead poisoned 20 ug/dL or two consecutive 15-19 ug/dL OSHA medical removal level for lead in adult worker blood 50 ug/dL OSHA back to work level for lead in adult worker blood 40 ug/dL Target Housing 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 Child Occupied Facility 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 Surface areas where EPA regulations do not apply 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 Protection Factor of a 1/2 face NPR, lead concentrations of? 10 up to 500 ug/m3 Protection Factor of a full-face NPR, lead concentrations of? 50 up to 2,500 ug/m3 Protect Factor of a PAPR, lead concentrations of? 100 up to 5,000 ug/m3 OSHA respirator requirements Written program Respirator training Fit test Annual physical Fit check Protection Factor of SCBA, lead concentrations of? 1,000 up to 50,000 ug/m3 Lead-Safe Work Practices 1. Minimize or eliminate generation of dust/debris 2. Contain dust/debris in regulated work area 3. Collect debris on disposable sheeting 4. Clean using wet methods and s HEPA vacuum Name three forms of lead abatement Removal Enclosure Encapsulation How long must lead abatement last? 20 years When diagraming a house for a Risk assessment, the "A" side is the? Address side What three things are required by the State of Michigan for an individual to be certified as a lead inspector? 1. High school diploma 2. Training course 3. 3rd party state exam Who can conduct lead inspections in target housing and child occupied facilities? Lead inspectors and risk assessors What is the purpose of lead inspections? To identify the presence and locations of LBP What year was LBP banned for residential use properties? 1978 The symptoms of lead poisoning are most often misdiagnosed as? Flu symptoms What are the two categories of lead hazards in a risk assessment? Material hazard and surface hazard What conditions are necessary to have a chewable surface hazard? LBP and human teeth marks What conditions are necessary to have a friction surface hazard? LBP, evidence of abrasion, and dust on nearby horizontal surfaces. What conditions are necessary to have a impact surface hazard? LBP, in contact with another building component, and evidence of damage. What are the three types of criteria a risk assessor can select for assessment of a dwelling? 1. Targeted 2. Random 3. Worst case What exterior soil areas need to be tested? Where bare soil is present: 1. Dripline of house 2. Play areas and vegetable gardens 3. Areas greater than 9 sq. ft.