….,,,./.,./.,./../../../…./././././.,.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,.,.,.
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)
, ….,,,./.,./.,./../../../…./././././.,.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,.,.,.
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
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)
, ….,,,./.,./.,./../../../…./././././.,.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,./.,.,.,.
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
