Lead inspector exam questions and answers 2023 update verified for accuracy.
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Course
Lead abatement certification
Institution
Oxford University (OX)
AAS
Atomic absorption spectrometry
AIHA
American Industrial Hygiene Association
ASTM
American Society for testing and materials
Biological half life of soft tissue
60-90 days
Biological half life in bone
10-30 years
Chelation
purpose to leach out lead from t...
Lead inspector exam questions and
answers 2023 update verified for
accuracy
AAS - answer Atomic absorption spectrometry
AIHA - answer American Industrial Hygiene Association
ASTM - answer American Society for testing and materials
Biological half life of soft tissue - answer 60-90 days
Biological half life in bone - answer 10-30 years
Chelation - answer purpose to leach out lead from the body: there's oral and IV. Also pulls other
stuff out of the body besides lead. Needed if blood lead level is above 45 if/dL
Half life of Cobalt-57 - answer 9 months
Substrate corrections formula - answer c = (m - 1.02)mg/cm(sq)
Substrate correction is NOT needed for measurements greater than or equal to - answer 4.0
mg/cm(sq)
CLC = ALC-SEL - answer Corrected lead concentrated = apparent lead concentration - substrate
equivalent lead
The ALC would have 3 readings, and insert average.
, Two types of chemical test kits - answer Sodium rhodizonate (will turn red-think r to r) and
sodium sulfate/sulfide (will turn black)
Abatement methods - answer Removal, replacement, enclosure (don't take wall out, put a wall
over it), encapsulation (A special elastomeric paint that has been guaranteed by the fed gov to
last 20 yrs)
Where do contractors typically fail? - answer Window sills and window troughs (wells)
3 locations to get dust wipe samples - answer Floor, window well (trough) and window sill
Heat guns must be less than - answer 1,100 degrees F
Our insurance - answer E&O: Errors and Omissions - means you're insured for your opinion
Other insurance-general liability - if you break something in someone's house
Biological half life - answer 30 days
or 25-45 days
Title X - answer Established in 1992-
-Lead based paint, varnish, shallax or other coating that contain 1mg/cm(sq) or more of lead
-Lead based paint hazards: any condition that causes exposure to lead
-Lead based paint inspection: surface by surface investigation to determine presence of lead
1960 - answer Some cities across US (including NYC) banned the use of lead-based paint...18
years before the feds did. But you can come to NJ, buy it and use it in NY
Lead acetate - answer White
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