US EPA Model Lead Inspector Latest Update
2024-2025 Actual Exam from Credible Sources
with 570 Questions and Verified Correct Answers
Golden Ticket to Guaranteed A+ Verified by
Professor
- CORRECT ANSWER: A clearance examination must be performed by a certified lead
inspector, dust sampling technician or a
.5% by weight - CORRECT ANSWER: Paint chips are positive for lead if the results by
atomic absorption (AAS) are above this percent.
(Class) According to EPA & HUD what is the recommended size for paint chip sample? -
CORRECT ANSWER: 2" x 2" or 4 sq inch
(Class) According to EPA & HUD what is the size of the chip sample? - CORRECT
ANSWER: 2" x 2" or 4 sq"
(Class) Current EPA standards for clearance on floor/sill/trough? - CORRECT
ANSWER: 40 ug/ft2 - 250 ug/ft2 - 400 ug/ft2
(Class) Half life of Cadmium-109? - CORRECT ANSWER: 15 Months
(Class) Half life of Cobalt-57? - CORRECT ANSWER: 9 Months
(Class) How deep should a soil sample be? - CORRECT ANSWER: 1/2 Inch
(Class) How do we do a clearance? - CORRECT ANSWER: Dust wipe
,(Class) How do you determine radiation exposure? - CORRECT ANSWER: Dosimeter
(Class) How many components of a given type must be tested to obtain a desired level
of confidence in results for in a multi family development? - CORRECT ANSWER: 40
(Class) How many readings do you take on walls? - CORRECT ANSWER: 4
(Class) How often do you do calibration checks? - CORRECT ANSWER: Every 4 Hours,
Beginning and ending of inspection
(Class) How often do you have to take a refresher class? - CORRECT ANSWER: Every
3 years
(Class) How often should an XRF be tested? - CORRECT ANSWER: Every 6 Months
(Class) If you were to ship an XRF back to manufacturer for resourcing who will not ship
it for you? - CORRECT ANSWER: US postal service
(Class) Laboratories must be recognized by what? - CORRECT ANSWER: NLLAP
(Class) Lead causes permanent damage to what body organism? - CORRECT
ANSWER: Brain, Nervous system, Kidneys
(Class) Maximum temperature for heat gun? - CORRECT ANSWER: 1100 Farenheit
(Class) Multifamily housing units are chosen by who? - CORRECT ANSWER: Inspector
(Class) Multifamily housing units how are they chosen? - CORRECT ANSWER:
Randomly
,(Class) Multifamily housing units the number of units to be tested is based upon what? -
CORRECT ANSWER: Day of construction & total # of units
(Class) On what surface must an XRF be used on? - CORRECT ANSWER: Flat surface
(Class) The medical treatment for treating lead poisoning is known as? - CORRECT
ANSWER: Chelation
(Class) What are the basic concepts of radiation protection? - CORRECT ANSWER:
Time
Distance
Shielding
(Class) What are the soil hazards? - CORRECT ANSWER: 400 ppm play area, 1200
ppm other parts of the yard.
(Class) What color HEPA filter must you use? - CORRECT ANSWER: Black or Purple
(Class) What do we mean by a testing combination? - CORRECT ANSWER: Room
equivalent, building component, substrate
(Class) What does TDS stand for? - CORRECT ANSWER: Time
Distance
Shielding
(Class) What is a performance characteristic sheet? - CORRECT ANSWER: Provides
and explanation of the statistical methodology used to construct data in the sheets and
provides empirical results from using recommended inconclusive ranges or thresholds
for specific XRF instruments.
, (Class) What is Chelation? - CORRECT ANSWER: The process by which lead is
removed from a person's body/blood stream by the use of medication
(Class) What is Occurrance Insurance? - CORRECT ANSWER: You are covered even
after the policy has expired
(Class) What is regulatory liability? - CORRECT ANSWER: Violates an administrative
regulation
(Class) What is the action level for lead? - CORRECT ANSWER: 30 Micrograms per
cubic meter
(Class) What is the definition of an inspection? - CORRECT ANSWER: A surface by
surface investigation to determine the presence of lead based paint.
(Class) What is the permissible exposure limit? - CORRECT ANSWER: 50 Micrograms
per cubic meter
(Class) What is the safe blood lead level? - CORRECT ANSWER: There is no safe
blood lead level
(Class) What the atomic # for lead? - CORRECT ANSWER: 82
(Class) What the definition of lead based paint? - CORRECT ANSWER: 0.05% lead by
weight / 1.0 mg/cm2
(Class) What's a method to determine presence of lead other than using an XRF? -
CORRECT ANSWER: Paint chip sample
(Class) What's a method to determine the presence of lead other than using an XRF? -
CORRECT ANSWER: Paint chip sample
2024-2025 Actual Exam from Credible Sources
with 570 Questions and Verified Correct Answers
Golden Ticket to Guaranteed A+ Verified by
Professor
- CORRECT ANSWER: A clearance examination must be performed by a certified lead
inspector, dust sampling technician or a
.5% by weight - CORRECT ANSWER: Paint chips are positive for lead if the results by
atomic absorption (AAS) are above this percent.
(Class) According to EPA & HUD what is the recommended size for paint chip sample? -
CORRECT ANSWER: 2" x 2" or 4 sq inch
(Class) According to EPA & HUD what is the size of the chip sample? - CORRECT
ANSWER: 2" x 2" or 4 sq"
(Class) Current EPA standards for clearance on floor/sill/trough? - CORRECT
ANSWER: 40 ug/ft2 - 250 ug/ft2 - 400 ug/ft2
(Class) Half life of Cadmium-109? - CORRECT ANSWER: 15 Months
(Class) Half life of Cobalt-57? - CORRECT ANSWER: 9 Months
(Class) How deep should a soil sample be? - CORRECT ANSWER: 1/2 Inch
(Class) How do we do a clearance? - CORRECT ANSWER: Dust wipe
,(Class) How do you determine radiation exposure? - CORRECT ANSWER: Dosimeter
(Class) How many components of a given type must be tested to obtain a desired level
of confidence in results for in a multi family development? - CORRECT ANSWER: 40
(Class) How many readings do you take on walls? - CORRECT ANSWER: 4
(Class) How often do you do calibration checks? - CORRECT ANSWER: Every 4 Hours,
Beginning and ending of inspection
(Class) How often do you have to take a refresher class? - CORRECT ANSWER: Every
3 years
(Class) How often should an XRF be tested? - CORRECT ANSWER: Every 6 Months
(Class) If you were to ship an XRF back to manufacturer for resourcing who will not ship
it for you? - CORRECT ANSWER: US postal service
(Class) Laboratories must be recognized by what? - CORRECT ANSWER: NLLAP
(Class) Lead causes permanent damage to what body organism? - CORRECT
ANSWER: Brain, Nervous system, Kidneys
(Class) Maximum temperature for heat gun? - CORRECT ANSWER: 1100 Farenheit
(Class) Multifamily housing units are chosen by who? - CORRECT ANSWER: Inspector
(Class) Multifamily housing units how are they chosen? - CORRECT ANSWER:
Randomly
,(Class) Multifamily housing units the number of units to be tested is based upon what? -
CORRECT ANSWER: Day of construction & total # of units
(Class) On what surface must an XRF be used on? - CORRECT ANSWER: Flat surface
(Class) The medical treatment for treating lead poisoning is known as? - CORRECT
ANSWER: Chelation
(Class) What are the basic concepts of radiation protection? - CORRECT ANSWER:
Time
Distance
Shielding
(Class) What are the soil hazards? - CORRECT ANSWER: 400 ppm play area, 1200
ppm other parts of the yard.
(Class) What color HEPA filter must you use? - CORRECT ANSWER: Black or Purple
(Class) What do we mean by a testing combination? - CORRECT ANSWER: Room
equivalent, building component, substrate
(Class) What does TDS stand for? - CORRECT ANSWER: Time
Distance
Shielding
(Class) What is a performance characteristic sheet? - CORRECT ANSWER: Provides
and explanation of the statistical methodology used to construct data in the sheets and
provides empirical results from using recommended inconclusive ranges or thresholds
for specific XRF instruments.
, (Class) What is Chelation? - CORRECT ANSWER: The process by which lead is
removed from a person's body/blood stream by the use of medication
(Class) What is Occurrance Insurance? - CORRECT ANSWER: You are covered even
after the policy has expired
(Class) What is regulatory liability? - CORRECT ANSWER: Violates an administrative
regulation
(Class) What is the action level for lead? - CORRECT ANSWER: 30 Micrograms per
cubic meter
(Class) What is the definition of an inspection? - CORRECT ANSWER: A surface by
surface investigation to determine the presence of lead based paint.
(Class) What is the permissible exposure limit? - CORRECT ANSWER: 50 Micrograms
per cubic meter
(Class) What is the safe blood lead level? - CORRECT ANSWER: There is no safe
blood lead level
(Class) What the atomic # for lead? - CORRECT ANSWER: 82
(Class) What the definition of lead based paint? - CORRECT ANSWER: 0.05% lead by
weight / 1.0 mg/cm2
(Class) What's a method to determine presence of lead other than using an XRF? -
CORRECT ANSWER: Paint chip sample
(Class) What's a method to determine the presence of lead other than using an XRF? -
CORRECT ANSWER: Paint chip sample
