EPA Lead Risk Assessor Certification Exam Prep 2026/2027 | Complete Practice Questions & Answer Explanations | Environmental Protection Agency Study Guide

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EPA Lead Risk Assessor Certification Exam
Prep 2026/2027 | Complete Practice
Questions & Answer Explanations |
Environmental Protection Agency Study
Guide

Lead dust HUD threshold - Interior floors

10 µg/ft²




Lead dust HUD threshold - Window sills

100 µg/ft²




Lead dust HUD threshold - Exterior floors

40 µg/ft²




Elevated blood lead level (EBLL) - Impacted (previously "level of concern")

3.5 μg/dL (ODOH)




Elevated blood lead level (EBLL) - Poisoned
10 μg/dL (ODOH)

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Lead paint HUD threshold(s)

1.0 mg/cm²

5000 ppm

0.5% lead by dry weight




Lead threshold in potable water

15 ppm - flushed sample (EPA)

15 μg/L - first draw sample (ODOH)




Houses built prior to ______ are most at risk for lead based paint (LBP) hazards.
1940 (pre-World War II housing units)




Lead based paint (LBP) was banned in ______ by the ______.

1978; Consumer Product Safety Commission




The Lead-Based Paint Poisoning Prevention Act (LBPPPA) was passed in ______ and defined
lead-based paint as paint containing more than _____ percent of lead by dry weight.
1971; 1%




An amendment to the Lead-Based Paint Poisoning Prevention Act was made in ______, which
lowered the allowable lead content in paint to ______ percent after _______.

1973; 0.06% lead by dry weight; December 31st, 1974