EPA Lead Risk Assessor Certification |
Complete Exam Questions and Answers
with Rationales | 2026 Update | 100%
Verified
• 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? -✓✓More lead is
absorbed
• Which of the following is a major source of lead exposure for infants and
children? -✓✓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? -✓✓The central nervous system
• Dust sampling during a Risk Assessment may include all of the following except:
-✓✓The top step leading to the front door of the house.
• Where is lead stored in the body for the longest period of time? -✓✓in the bones
• Which of the following is an example of a structural defect that can cause paint
failure? -✓✓Leaking roof
• Which of the following is an example of a substrate defect that can cause paint
failure? -✓✓Plaster that has separated from wood lath
• Which of the following is an example of a finish defect that can cause paint
failure? -✓✓Grease on a kitchen wall
• When should a risk assessor avoid recommending interim controls as a hazard
control option? -✓✓When the substrate or component is defective.
• Which activity is most likely to cause lead levels in the air to exceed the PEL? -
✓✓Heat guns operating at temperatures greater than 1100°
, • When does a risk assessor perform air sampling? -✓✓Never during a risk
assessment.
• Which of the following abatement options is most likely to cause a dangerous
lead exposure to lead abatement workers? -✓✓Paint removal
• What is the best way to reduce lead hazards in the home? -✓✓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? -✓✓HEPA
vacuuming and tri-sodium phosphate cleaning cycles.
• Which of the following types of environmental sampling is optional in a complete
risk assessment? -✓✓water
• When sampling multi-family housing, what information is used to select the
"worst case" units? -✓✓Visual assessment during a walkthrough of every unit.
• According to the EPA/HUD, what are considered acceptable levels of lead in soil
for play areas? -✓✓Lead concentrations less than 400 ppm.
• When is a lead hazard screen most appropriate? -✓✓Housing in good physical
condition.
• If some painted surfaces are not sampled during a risk assessment, which of the
following is true. -✓✓Paint should be considered lead-based paint until tested.
• Bare soil along the "drip line" with lead at 2,000 ppm can be treated by: -
✓✓Covering the bare soil with mulch, sod, or gravel.
• If a composite paint chip sample is made of four sub-samples, what is considered
the critical level of lead in the sample as expressed in ppm? -✓✓1250 ppm
• What is the maximum number of paint chips that can be included in a composite,
paint chip sample? -✓✓5
Complete Exam Questions and Answers
with Rationales | 2026 Update | 100%
Verified
• 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? -✓✓More lead is
absorbed
• Which of the following is a major source of lead exposure for infants and
children? -✓✓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? -✓✓The central nervous system
• Dust sampling during a Risk Assessment may include all of the following except:
-✓✓The top step leading to the front door of the house.
• Where is lead stored in the body for the longest period of time? -✓✓in the bones
• Which of the following is an example of a structural defect that can cause paint
failure? -✓✓Leaking roof
• Which of the following is an example of a substrate defect that can cause paint
failure? -✓✓Plaster that has separated from wood lath
• Which of the following is an example of a finish defect that can cause paint
failure? -✓✓Grease on a kitchen wall
• When should a risk assessor avoid recommending interim controls as a hazard
control option? -✓✓When the substrate or component is defective.
• Which activity is most likely to cause lead levels in the air to exceed the PEL? -
✓✓Heat guns operating at temperatures greater than 1100°
, • When does a risk assessor perform air sampling? -✓✓Never during a risk
assessment.
• Which of the following abatement options is most likely to cause a dangerous
lead exposure to lead abatement workers? -✓✓Paint removal
• What is the best way to reduce lead hazards in the home? -✓✓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? -✓✓HEPA
vacuuming and tri-sodium phosphate cleaning cycles.
• Which of the following types of environmental sampling is optional in a complete
risk assessment? -✓✓water
• When sampling multi-family housing, what information is used to select the
"worst case" units? -✓✓Visual assessment during a walkthrough of every unit.
• According to the EPA/HUD, what are considered acceptable levels of lead in soil
for play areas? -✓✓Lead concentrations less than 400 ppm.
• When is a lead hazard screen most appropriate? -✓✓Housing in good physical
condition.
• If some painted surfaces are not sampled during a risk assessment, which of the
following is true. -✓✓Paint should be considered lead-based paint until tested.
• Bare soil along the "drip line" with lead at 2,000 ppm can be treated by: -
✓✓Covering the bare soil with mulch, sod, or gravel.
• If a composite paint chip sample is made of four sub-samples, what is considered
the critical level of lead in the sample as expressed in ppm? -✓✓1250 ppm
• What is the maximum number of paint chips that can be included in a composite,
paint chip sample? -✓✓5
