EXAM 110 QUESTIONS AND 120 STUDY QUESTIONS WITH
CORRECT DETAILED ANSWERS WITH RATIONALES|AGRADE
What Federal document serves as an overall guideline for performing inspections,
risk assessments, and abatement activities? - ANSWER: HUD Guidelines
A child may be treated for lead poisoning by using... - ANSWER: chelation therapy
The purpose of a lead risk assessment is to? - ANSWER: Identify LBP hazards
What does EBL mean? - ANSWER: Elevated Blood Level
How does lead primarily enter children's bodies? - ANSWER: 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? - ANSWER: No, the elevated blood levels of
17ug/dL and 16ug/dL were not consecutive
Which is more useful for the renovation contractor, the lead inspection or the risk
assessment? - ANSWER: Lead Inspection
What six sampling methods do Risk Assessors use to identify lead hazards? -
ANSWER: 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... - ANSWER: Notify the client in
writing
What is the OSHA Action Level for lead? - ANSWER: 30 ug/m3
Water sampling as part of a Risk Assessment is:
Mandatory, Optional, or Never included? - ANSWER: Optional
What are the six LBP hazards defined by EPA? - ANSWER: Dust
Friction Surface
Impact Surface
Chewable Surface
Deteriorated Paint
, Soil
EPA Soil lead hazard in general yard area - ANSWER: 1,200 ppm
XRF analysis is the most common method for determining LBP - ANSWER: True
XRF analysis is the most common method for determining lead hazards - ANSWER:
False, XRF is most commonly used to determine LBP but not hazards
Where would you find operational data for an XRF? - ANSWER: Performance
Characteristic Sheet (PCS) supplied with the XRF
How many dust samples are usually taken for a Risk Assessment? - ANSWER: 13
What are the three forms of lead abatement? - ANSWER: Removal
Enclosure
Encapsulation
How do you calibrate an XRF? - ANSWER: 3 shots on the 1.02 standard
How often do you calibrate an XRF? - ANSWER: Beginning
End
Every 4 hours
Every time the device is powered down
LBP per XRF - ANSWER: Equal to or greater than 1.0 mg/cm2
LBP % level by paint chip analysis - ANSWER: Greater than 0.5% by weight
EPA Floor clearance/hazard level - ANSWER: 40 ug/ft2
EPA Window sill or stool clearance/hazard level - ANSWER: 250 ug/ft2
EPA Window trough or well clearance/hazard level - ANSWER: 400 ug/ft2
OSHA lead PEL - ANSWER: 50 ug/m3
OSHA lead Action Level - ANSWER: 30 ug/m3
EPA Soil play area/vegetable garden clearance/hazard level - ANSWER: 400 ppm
EPA Soil other parts of yard clearance/hazard level - ANSWER: 1,200 ppm
HUD required Level for soil abatement - ANSWER: 5,000 ppm
EPA action level criteria for lead in drinking water - ANSWER: greater than 15 ppb or
15ug/l or 0.015mg/l