UPDATED QUESTIONS AND CORRECT
ANSWERS
In MD, what is the maximum ppm level for lead in bare soil in a play area? - CORRECT
ANSWERS✅✅200 ppm
What does PPM stand for? - CORRECT ANSWERS✅✅Parts Per Million
In MD, what is the maximum ppm level for lead in bare soil with no child contact
(dripline/foundation)? - CORRECT ANSWERS✅✅200 ppm
In MD, what is the lead Dust Clearance level allowed for a dust-wipe sample of a floor? -
CORRECT ANSWERS✅✅<10 ug/ft*2
In MD, what is the lead Dust Clearance level allowed for a dust-wipe sample of a window
well/trough? - CORRECT ANSWERS✅✅<100 ug/ft*2
In MD, what is the lead Dust Clearance level allowed for a dust-wipe sample of a window
sill? - CORRECT ANSWERS✅✅<100 ug/ft*2
A dust-wipe sample is taken from what locations? - CORRECT ANSWERS✅✅1. Floor
2. Window Sill
3. Window Well/Trough
Most lead cases are a result of exposure to __________. - CORRECT ANSWERS✅✅Lead
Dust
Lead based paint was banned in residential properties in __________. - CORRECT
ANSWERS✅✅1978
What year did OSHA 29CFR1926.62 become law? - CORRECT ANSWERS✅✅1993
, Who are most at risk of lead poisoning? - CORRECT ANSWERS✅✅1. Children under 6
2. Pregnant Woman
How does lead enter the body? - CORRECT ANSWERS✅✅1. Inhalation
2. Ingestion
What organs are affected by lead poisoning? - CORRECT ANSWERS✅✅All Organs
Where does lead usually end up stored in the body? - CORRECT ANSWERS✅✅Bone
tissue
CDC says children should not have a lead level above _______. - CORRECT
ANSWERS✅✅3.5 ug/dl
5 ug/dl triggers EBL investigations in Maryland.
In MD, what is the elevated blood lead level for children? - CORRECT ANSWERS✅✅5
ug/dl
How can workers reduce exposure to lead poison? (3) - CORRECT ANSWERS✅✅1. Wear
PPE
2. Proper Hygiene
3. Safe Work Practices
What is the OSHA Airborne Action Level (AL) ? - CORRECT ANSWERS✅✅30 ug/m*3
What is the OSHA Permissible Exposure Level (PEL)? - CORRECT ANSWERS✅✅50
ug/m*3
What is the max allowed lead level in water? - CORRECT ANSWERS✅✅15 ppb