EPA Lead Risk Assessor Test Questions
Question:
What are XRF Performance Characteristic Sheets used for?
Answer:
To correct for substrate bias
Question:
What is the minimum number of samples needed to calculate substrate bias?
Answer:
6
Question:
What is loading?
Answer:
The lead based paint surface concentration
Question:
True or False, in a lead hazard screen or risk assessment, the certified risk assessor tests only painted surfaces in deteriorated condition for their lead content.
Answer:
TRUE, they only test deteriorated paint 1 / 3
Question:
True or False, performing inspections by the sole use of lab paint-chip analysis is recommended because it is more accurate.
Answer:
False, it is not recommended because it is time-consuming, costly and requires extensive repainting.
Question:
When is paint chip sampling recommended?
Answer:
When areas are inaccessible or building components have an irregular shape.
Question:
How are laboratory paint chip samples reported?
Answer:
mg/cm^2
Question:
How to conduct random sampling.
Answer:
Housing Unit # = Random # * Total Number
9.92055 = 0.196411*50 ---> round up to 10, 10th unit on the list of units.
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Question:
Three types of test results.
Answer:
Positive Negative Inconclusive.
Question:
What is the correct size of a paint chip sample?
Answer:
- in^2
Question:
Surface-by-surface is in reference to what?
Answer:
Lead based paint
Question:
HUD 2012 clearance standards
Answer:
Floors 40 ug/ft^2 Window Sills 250 ug/ft^2 Window Wells 400 ug/ft^2
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