Exam Prep
AAS - correct answer ✔✔Atomic absorption spectrometry
AIHA - correct answer ✔✔American Industrial Hygiene Association
ASTM - correct answer ✔✔American Society for testing and materials
Biological half life of soft tissue - correct answer ✔✔60-90 days
Biological half life in bone - correct answer ✔✔10-30 years
Chelation - correct 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 - correct answer ✔✔9 months
Substrate corrections formula - correct answer ✔✔c = (m - 1.02)mg/cm(sq)
Substrate correction is NOT needed for measurements greater than or equal to - correct answer
✔✔4.0 mg/cm(sq)
CLC = ALC-SEL - correct 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 - correct answer ✔✔Sodium rhodizonate (will turn red-think r to
r) and sodium sulfate/sulfide (will turn black)
Abatement methods - correct 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? - correct answer ✔✔Window sills and window troughs
(wells)
3 locations to get dust wipe samples - correct answer ✔✔Floor, window well (trough) and
window sill
Heat guns must be less than - correct answer ✔✔1,100 degrees F
Our insurance - correct 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 - correct answer ✔✔30 days
or 25-45 days
Title X - correct 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