EPA Lead Supervisor Real Exam 2025/2026 Complete Questions With Correct Detailed Solutions || 100 % Guaranteed Pass!! Brand New Version

EPA Lead Supervisor Real Exam
2025/2026 Complete Questions With
Correct Detailed Solutions || 100 %
Guaranteed Pass!!
<Brand New Version>




1. What is the lead dust clearance for window troughs? - ANSWER
✓ 400 Micrograms per Square Foot

2. Abatements are designed to permanently eliminate lead-based
paint hazards. What duration is considered "permanent"? -
ANSWER ✓ 20 Years

3. 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

4. What is the preferred material to use to clean surfaces following
lead abatement? - ANSWER ✓ Trisodium Phosphate (TSP)

5. What is the oldest man made object known to contain lead? -
ANSWER ✓ A lead statue found in Turkey from 6,500 BC

6. What is the biggest liability for Contractors? - ANSWER ✓
Employees taking lead home

,7. What is the most common way for children to be exposed to lead?
- ANSWER ✓ Lead containing dust and soil

8. What is the most common way for adults to be exposed to lead? -
ANSWER ✓ Occupation

9. What is the term for death due to lead exposure caused by brain
swelling? - ANSWER ✓ Encepalopothy

10. What is the formula for Time Weighted Averages (TWA)? -
ANSWER ✓ TWA = (C1 X T1) + (C2 X T2) + ... (Cn X Tn) / 480
minutes
Cn = airborne concentration for sample n
Tn = time the worker is exposed to Cn in minutes

11. Lead test is conducting using a ______mm cassette run
__________ face - ANSWER ✓ 37mm; Closed Face

12. What are the 3 categories of record keeping? - ANSWER ✓
Legally mandated; Records to support other legal requirements;
Recommended record keeping

13. Which abatement or hazard reduction projects have legally
mandated record keeping? - ANSWER ✓ Those projects where
hazardous wastes will be generated

14. What document should accompany all hazardous waste
shipments, unless the generator is conditionally exempt? -
ANSWER ✓ Uniform Hazardous Waste Manifest

15. What is the philosophy for tracking hazardous waste from the
point at which it is generated to the point of final destination
called? - ANSWER ✓ Cradle To Grave

,16. Who signs the uniform hazardous waste manifest when the
hazardous material is transported from the abatement/storage site?
- ANSWER ✓ The transporter

17. Who signs the uniform hazardous waste manifest when the
material is received by the disposal facility? - ANSWER ✓ The
Receiver of the Material

18. At what Blood Lead Level do you begin to see reproductive
problems? - ANSWER ✓ 25 Micrograms per Deciliter

19. At what Blood Lead Level do you see Kidney damage;
damage to blood formation? - ANSWER ✓ 40 Micrograms per
Deciliter

20. 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

21. 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

22. What is the lead dust clearance level for exterior concrete
surfaces? - ANSWER ✓ 400 Micrograms per Square Foot

23. What is the federal standard for paint (according to HUD) -
ANSWER ✓ 1 Milligram per Square Centimeter / 5,000 ppm /
0.5% by weight

, 24. What is the Federal Standard for Paint containing lead
applied between 1978 and August 13, 2009? - ANSWER ✓ 0.06%
(600ppm) by weight

25. What is the Federal Standard for Paint containing lead
applied on or after August 14, 2009? - ANSWER ✓ 0.009%
(90ppm) by weight

26. 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

27. 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

28. 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

29. What is the Federal standard for lead dust levels for Hazard
Screen Only on Floors? - ANSWER ✓ 10 Micrograms per Square
Foot

30. What is the Federal standard for lead dust levels for Hazard
Screen Only on Windowsills? - ANSWER ✓ 125 Micrograms per
Square Foot

31. What is the Federal standard for lead in bare residential soil
for paving or removal? - ANSWER ✓ 5,000 Micrograms per Gram
/ 5,000 ppm