EPA Building Components & Lead Paint Inspection

Question 1

Which building component is most commonly associated with lead-based paint hazards in pre-1978 housing?

Accepted Answer

Interior trim, window frames, and door frames

Answer

Concrete basement floors

Answer

Ceramic tile in bathrooms

Answer

Asphalt roof shingles

Question 2

What device is the standard tool for non-destructive lead testing in the field?

Accepted Answer

X-ray fluorescence (XRF) analyzer

Answer

Colorimetric swab test kit

Answer

Scanning electron microscope

Answer

Inductively coupled plasma (ICP) spectrometer

Question 3

Under EPA regulations, what is the lead concentration threshold that defines paint as 'lead-based paint'?

Accepted Answer

1.0 mg/cm² or 0.1% by weight

Answer

0.5 mg/cm² or 0.05% by weight

Answer

2.0 mg/cm² or 0.2% by weight

Answer

5.0 mg/cm² or 0.5% by weight

Question 4

When using paint chip sampling to test for lead, where should samples be collected from?

Accepted Answer

Through all paint layers down to the substrate

Answer

From the center of large flat surfaces only

Answer

From the topcoat only

Answer

From exterior surfaces only

Question 5

Which type of surface testing is allowed as a presumptive determination of lead-based paint without laboratory analysis?

Accepted Answer

Certified XRF measurement at or above 1.0 mg/cm²

Answer

Colorimetric spot test (positive result only)

Answer

Visual inspection alone

Answer

Moisture meter reading

Question 6

In a lead inspection report, which component designations must be recorded for each tested surface?

Accepted Answer

Room, component type, substrate material, test result, and lead-based paint determination

Answer

Room name and wall color only

Answer

Building address and contractor name only

Answer

Date of construction and occupancy status