LEAD SUPERVISOR CALIFORNIA
CERTIFICATION EVALUATION 2026 COMPLETE
RESPONSES A+
◉ What is the lead dust clearance for interior window sills? Answer:
100 Micrograms per Square Foot
◉ What is the lead dust clearance for window troughs? Answer: 400
Micrograms per Square Foot
◉ Abatements are designed to permanently eliminate lead-based
paint hazards. What duration is considered "permanent"? Answer:
20 Years
◉ At what Blood Lead Level do you see increase in blood pressure,
harmful effects on fetus; joint and muscle aches Answer: 15
Micrograms per Deciliter
◉ At what Blood Lead Level do you begin to see reproductive
problems? Answer: 25 Micrograms per Deciliter
◉ At what Blood Lead Level do you see Kidney damage; damage to
blood formation? Answer: 40 Micrograms per Deciliter
,◉ At what Blood Lead Level do you see Anemia; nerve damage;
constipation; stomach pains; irritability and fatigue; memory and
concentration problems; clumsiness; drowsiness and sleep
problems? Answer: 60 Micrograms per Deciliter
◉ At what Blood Lead Level do you see Blue line on gums;
uncontrollable shaking of hands; wrist and foot drop; hallucinations;
brain damage; coma; death? Answer: 80 Micrograms per Deciliter
◉ What is the lead dust clearance level for exterior concrete
surfaces? Answer: 400 Micrograms per Square Foot
◉ What is the federal standard for paint (according to HUD) Answer:
1 Milligram per Square Centimeter / 5,000 ppm / 0.5% by weight
◉ What is the Federal Standard for Paint containing lead applied
between 1978 and August 13, 2009? Answer: 0.06% (600ppm) by
weight
◉ What is the Federal Standard for Paint containing lead applied on
or after August 14, 2009? Answer: 0.009% (90ppm) by weight
, ◉ What is the Federal standard for lead dust levels for Risk
assessment by wipe sampling on floors (carpeted and uncarpeted?
Answer: 40 Micrograms per Square Foot
◉ What is the Federal standard for lead dust levels for Risk
assessment by wipe sampling on interior window sills? Answer: 250
Micrograms per Square Foot
◉ What is the Federal standard for lead dust levels for Risk
assessment by wipe sampling on window troughs (previously called
window sills)? Answer: 400 Micrograms per Square Foot
◉ What is the Federal standard for lead dust levels for Hazard
Screen Only on Floors? Answer: 10 Micrograms per Square Foot
◉ What is the Federal standard for lead dust levels for Hazard
Screen Only on Windowsills? Answer: 125 Micrograms per Square
Foot
◉ What is the Federal standard for lead in bare residential soil for
paving or removal? Answer: 5,000 Micrograms per Gram / 5,000
ppm
CERTIFICATION EVALUATION 2026 COMPLETE
RESPONSES A+
◉ What is the lead dust clearance for interior window sills? Answer:
100 Micrograms per Square Foot
◉ What is the lead dust clearance for window troughs? Answer: 400
Micrograms per Square Foot
◉ Abatements are designed to permanently eliminate lead-based
paint hazards. What duration is considered "permanent"? Answer:
20 Years
◉ At what Blood Lead Level do you see increase in blood pressure,
harmful effects on fetus; joint and muscle aches Answer: 15
Micrograms per Deciliter
◉ At what Blood Lead Level do you begin to see reproductive
problems? Answer: 25 Micrograms per Deciliter
◉ At what Blood Lead Level do you see Kidney damage; damage to
blood formation? Answer: 40 Micrograms per Deciliter
,◉ At what Blood Lead Level do you see Anemia; nerve damage;
constipation; stomach pains; irritability and fatigue; memory and
concentration problems; clumsiness; drowsiness and sleep
problems? Answer: 60 Micrograms per Deciliter
◉ At what Blood Lead Level do you see Blue line on gums;
uncontrollable shaking of hands; wrist and foot drop; hallucinations;
brain damage; coma; death? Answer: 80 Micrograms per Deciliter
◉ What is the lead dust clearance level for exterior concrete
surfaces? Answer: 400 Micrograms per Square Foot
◉ What is the federal standard for paint (according to HUD) Answer:
1 Milligram per Square Centimeter / 5,000 ppm / 0.5% by weight
◉ What is the Federal Standard for Paint containing lead applied
between 1978 and August 13, 2009? Answer: 0.06% (600ppm) by
weight
◉ What is the Federal Standard for Paint containing lead applied on
or after August 14, 2009? Answer: 0.009% (90ppm) by weight
, ◉ What is the Federal standard for lead dust levels for Risk
assessment by wipe sampling on floors (carpeted and uncarpeted?
Answer: 40 Micrograms per Square Foot
◉ What is the Federal standard for lead dust levels for Risk
assessment by wipe sampling on interior window sills? Answer: 250
Micrograms per Square Foot
◉ What is the Federal standard for lead dust levels for Risk
assessment by wipe sampling on window troughs (previously called
window sills)? Answer: 400 Micrograms per Square Foot
◉ What is the Federal standard for lead dust levels for Hazard
Screen Only on Floors? Answer: 10 Micrograms per Square Foot
◉ What is the Federal standard for lead dust levels for Hazard
Screen Only on Windowsills? Answer: 125 Micrograms per Square
Foot
◉ What is the Federal standard for lead in bare residential soil for
paving or removal? Answer: 5,000 Micrograms per Gram / 5,000
ppm
