At which of the following ages are children in the most danger of lead exposure and the health
effects from that exposure? - Answer- 1-3 years of age
Lead may be absorbed through the intestines after it is ingested. What is the effect on the
absorption of lead when people don't eat properly? - Answer- More lead is absorbed
Which of the following is a major source of lead exposure for infants and children? - Answer- Lead
contaminated surface dust and soil.
For children that are exposed to low levels of lead, which of the following body systems is most
affected? - Answer- The central nervous system
Dust sampling during a Risk Assessment may include all of the following except: - Answer- The
top step leading to the front door of the house.
Where is lead stored in the body for the longest period of time? - Answer- in the bones
Which of the following is an example of a structural defect that can cause paint failure? - Answer-
Leaking roof
Which of the following is an example of a substrate defect that can cause paint failure? - Answer-
Plaster that has separated from wood lath
Which of the following is an example of a finish defect that can cause paint failure? - Answer-
Grease on a kitchen wall
When should a risk assessor avoid recommending interim controls as a hazard control option? -
Answer- When the substrate or component is defective.
Which activity is most likely to cause lead levels in the air to exceed the PEL? - Answer- Heat
guns operating at temperatures greater than 1100°
When does a risk assessor perform air sampling? - Answer- Never during a risk assessment.
Which of the following abatement options is most likely to cause a dangerous lead exposure to
lead abatement workers? - Answer- Paint removal
What is the best way to reduce lead hazards in the home? - Answer- Use a combination of interim
controls or removal, replacement, encapsulation, and/or enclosure of lead-based paint.
Which of the following methods is best for cleaning-up lead dust? - Answer- HEPA vacuuming and
tri-sodium phosphate cleaning cycles.
Which of the following types of environmental sampling is optional in a complete risk assessment?
- Answer- water