Lead Supervisor EXAM 2025/2026 ACTUAL COMPLETE REAL
EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) | ALREADY PASSED | 2025 NEWEST !!
What is the melting point of Lead? - ANSWER-621 degrees F
What are qualities of Lead? - ANSWER-Durable and very
workable; does not
corrode; does not readily crack; does not readily burst
with freezing and
thawing; repairs can be made by mashing the
material together
When did major increases in lead production occur? -
ANSWER-When it was introduced for coins; When production
of silver was increased (lead often found with silver); at the
start of the industrial revolution
When was the first peak in the annual world wide production of
lead? -
ANSWER-During the Roman Empire about 20 BC. Used for
aqueducts. About 12,000 tons used for a single siphon unit in
Lyons (france) aqueduct
,What are the types of lead used in Folk remedies? What are
their properties and what were their uses? - ANSWER-Azarcon,
bright orange powder, used for skin prep; Greta, yellow powder
used as a glaze for low-fired ceramics.
In most water systems the current major source of lead at the
tap is from what?
- ANSWER-The Pluming itself. Specifically from the Service lines
(from street to
the house); lead solder used in making connections in copper
piping, Lead from
alloys such as brass and bronze used for faucets, fittings,
fixture and valves,
water meters and other
devices.
What is the best method for soil abatement? - ANSWER-Reduce
access to soil
by planting grass, laying sod or covering the area
with mulch.
Record keeping for lead abatement includes: - ANSWER-
Hazardous waste
records; Medical Exams; Air monitoring results; Logs of all
work activities
,The sealing of HVAC system ducts should be done with: -
ANSWER-2 Layers
of 6 mil plastic before
abatement begins
Ideally, a decon setup should contain: - ANSWER-Equipment
Room, Shower
Room, Clean
Room
When performing interior dust abatement, all occupants
should: - ANSWER-Be
kept away, and should be
informed
HEPA Vacuum cleaners retain materials as small as
___________ microns. -
ANSWER-0.3
Microns
Other than lead, the most common hazards on lead abatement
projects are: -
ANSWER-Slips, Trips
and Falls
, Fire hazards during lead abatement projects are of particular
concern because
of: - ANSWER-ignition source and flammable
paint strippers
What amount of lead in air is considered safe? - ANSWER-No
amount of lead in
air is
safe.
A worker assigned a respirator should be provided
_____________ and a
_______________. - ANSWER-training;
physical
What should the contractor look for during the initial
walkthough? – ANSWER-Locations of the lead paint; potential
decon chamber location; location of water sources
Bulk samples are analyzed using what method? - ANSWER-
Atomic Absorption
Spectroscopy
EXAM QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) | ALREADY PASSED | 2025 NEWEST !!
What is the melting point of Lead? - ANSWER-621 degrees F
What are qualities of Lead? - ANSWER-Durable and very
workable; does not
corrode; does not readily crack; does not readily burst
with freezing and
thawing; repairs can be made by mashing the
material together
When did major increases in lead production occur? -
ANSWER-When it was introduced for coins; When production
of silver was increased (lead often found with silver); at the
start of the industrial revolution
When was the first peak in the annual world wide production of
lead? -
ANSWER-During the Roman Empire about 20 BC. Used for
aqueducts. About 12,000 tons used for a single siphon unit in
Lyons (france) aqueduct
,What are the types of lead used in Folk remedies? What are
their properties and what were their uses? - ANSWER-Azarcon,
bright orange powder, used for skin prep; Greta, yellow powder
used as a glaze for low-fired ceramics.
In most water systems the current major source of lead at the
tap is from what?
- ANSWER-The Pluming itself. Specifically from the Service lines
(from street to
the house); lead solder used in making connections in copper
piping, Lead from
alloys such as brass and bronze used for faucets, fittings,
fixture and valves,
water meters and other
devices.
What is the best method for soil abatement? - ANSWER-Reduce
access to soil
by planting grass, laying sod or covering the area
with mulch.
Record keeping for lead abatement includes: - ANSWER-
Hazardous waste
records; Medical Exams; Air monitoring results; Logs of all
work activities
,The sealing of HVAC system ducts should be done with: -
ANSWER-2 Layers
of 6 mil plastic before
abatement begins
Ideally, a decon setup should contain: - ANSWER-Equipment
Room, Shower
Room, Clean
Room
When performing interior dust abatement, all occupants
should: - ANSWER-Be
kept away, and should be
informed
HEPA Vacuum cleaners retain materials as small as
___________ microns. -
ANSWER-0.3
Microns
Other than lead, the most common hazards on lead abatement
projects are: -
ANSWER-Slips, Trips
and Falls
, Fire hazards during lead abatement projects are of particular
concern because
of: - ANSWER-ignition source and flammable
paint strippers
What amount of lead in air is considered safe? - ANSWER-No
amount of lead in
air is
safe.
A worker assigned a respirator should be provided
_____________ and a
_______________. - ANSWER-training;
physical
What should the contractor look for during the initial
walkthough? – ANSWER-Locations of the lead paint; potential
decon chamber location; location of water sources
Bulk samples are analyzed using what method? - ANSWER-
Atomic Absorption
Spectroscopy
