LEAD SUPERVISOR CALIFORNIA ACTUAL EXAM
2026 ANSWERS VERIFIED A+
◉ Deteriorated paint Answer: any interior or exterior paint that is
peeling, chipping, chalking, cracking or is located on an interior or
exterior surface or fixture that is damaged or deteriorated
◉ Accessible surface Answer: surface that protrudes from the
surrounding area to the extent that a child can chew the surface and
is within three feet of the floor or ground (e.g. window wills, railing
and the edges of stair treads)
◉ Multi-family housing (for the purposes of a lead based paint
inspection only) Answer: Any group of units that is similar in
construction from unit to unit with 1) 21 or more units if any were
built before 1960 or are of unknown age or 2) 10 or more units if
they were built from 1960 - 1977
◉ Permanent Abatement and work over PEL - YES
Abatement Planning - NO
Hazard Evaluation - NO
Clearance Inspections - NO Answer: Certified Lead Worker
◉ Permanent Abatement and work over PEL - YES
,Abatement Planning - YES
Hazard Evaluation - NO
Clearance Inspections - NO Answer: Certified Lead Supervisor
◉ Permanent Abatement and work over PEL - NO
Abatement Planning - YES
Hazard Evaluation - NO
Clearance Inspections - YES Answer: Certified Lead Project Monitor
◉ Permanent Abatement and work over PEL - NO
Abatement Planning - NO
Hazard Evaluation - YES
Clearance Inspections - YES Answer: Certified Lead Inspector /
Assessor and Certified Sampling Tech (under the supervision of an
inspector/assessor)
◉ Lead has been used in paint for what three main reasons?
Answer: as pigment, to add durability and corrosion control, and as
a drying agent
◉ What is the greatest risk of lead exposure that people face?
Answer: Man-made processes and products
,◉ Currently, what is the principal industrial use of lead? Answer:
Manufacture of electrical storage batteries
◉ Where does the major exposure to lead for most adults come
from? Answer: The work place
◉ What are the major sources of lead exposure for infants and
young children? Answer: Surface dust and soil contaminated with
lead
◉ T/F A person may become poisoned through exposure to a single
high-level source of lead or through the cumulative effect of
repeated exposures to low-level sources of lead. Answer: True
◉ What is the main cause of lead contamination in drinking water?
Answer: Corrosion of lead-containing materials in household
plumbing
◉ T/F Hot, acidic, 'soft' (low in dissolved solids) water is the least
corrosive towards lead; cold, alkaline, 'hard' water is most corrosive.
Answer: False
◉ In what year did Congress ban the use of lead-containing
materials above specific percentages in public water supply systems
, and in any plumbing providing drinking water connected to public
water systems? Answer: 1986
◉ Besides leaded gasoline, what are other sources of lead
contamination in air? Answer: Emissions from smelters and battery
factories and combustion of oil, coal, waste oil and municipal wastes.
◉ What are the three systems where the effects of lead are most
dangerous? Answer: the central and peripheral nervous systems, the
cardiovascular system, and the kidneys
◉ Exposure to high concentrations of lead can cause what? Answer:
Retardation, convulsions, coma, and death
◉ T/F Inhalation and ingestion are the routes of exposure to both
children and adults. Answer: True
◉ What is the primary route of exposure in children? Answer:
Ingestion of lead contaminated dust through normal hand-to-mouth
activity
◉ What are some construction trades that have a high risk of lead
exposure? Answer: lead abatement workers, carpenters, demolition
workers, painters, plumbers
2026 ANSWERS VERIFIED A+
◉ Deteriorated paint Answer: any interior or exterior paint that is
peeling, chipping, chalking, cracking or is located on an interior or
exterior surface or fixture that is damaged or deteriorated
◉ Accessible surface Answer: surface that protrudes from the
surrounding area to the extent that a child can chew the surface and
is within three feet of the floor or ground (e.g. window wills, railing
and the edges of stair treads)
◉ Multi-family housing (for the purposes of a lead based paint
inspection only) Answer: Any group of units that is similar in
construction from unit to unit with 1) 21 or more units if any were
built before 1960 or are of unknown age or 2) 10 or more units if
they were built from 1960 - 1977
◉ Permanent Abatement and work over PEL - YES
Abatement Planning - NO
Hazard Evaluation - NO
Clearance Inspections - NO Answer: Certified Lead Worker
◉ Permanent Abatement and work over PEL - YES
,Abatement Planning - YES
Hazard Evaluation - NO
Clearance Inspections - NO Answer: Certified Lead Supervisor
◉ Permanent Abatement and work over PEL - NO
Abatement Planning - YES
Hazard Evaluation - NO
Clearance Inspections - YES Answer: Certified Lead Project Monitor
◉ Permanent Abatement and work over PEL - NO
Abatement Planning - NO
Hazard Evaluation - YES
Clearance Inspections - YES Answer: Certified Lead Inspector /
Assessor and Certified Sampling Tech (under the supervision of an
inspector/assessor)
◉ Lead has been used in paint for what three main reasons?
Answer: as pigment, to add durability and corrosion control, and as
a drying agent
◉ What is the greatest risk of lead exposure that people face?
Answer: Man-made processes and products
,◉ Currently, what is the principal industrial use of lead? Answer:
Manufacture of electrical storage batteries
◉ Where does the major exposure to lead for most adults come
from? Answer: The work place
◉ What are the major sources of lead exposure for infants and
young children? Answer: Surface dust and soil contaminated with
lead
◉ T/F A person may become poisoned through exposure to a single
high-level source of lead or through the cumulative effect of
repeated exposures to low-level sources of lead. Answer: True
◉ What is the main cause of lead contamination in drinking water?
Answer: Corrosion of lead-containing materials in household
plumbing
◉ T/F Hot, acidic, 'soft' (low in dissolved solids) water is the least
corrosive towards lead; cold, alkaline, 'hard' water is most corrosive.
Answer: False
◉ In what year did Congress ban the use of lead-containing
materials above specific percentages in public water supply systems
, and in any plumbing providing drinking water connected to public
water systems? Answer: 1986
◉ Besides leaded gasoline, what are other sources of lead
contamination in air? Answer: Emissions from smelters and battery
factories and combustion of oil, coal, waste oil and municipal wastes.
◉ What are the three systems where the effects of lead are most
dangerous? Answer: the central and peripheral nervous systems, the
cardiovascular system, and the kidneys
◉ Exposure to high concentrations of lead can cause what? Answer:
Retardation, convulsions, coma, and death
◉ T/F Inhalation and ingestion are the routes of exposure to both
children and adults. Answer: True
◉ What is the primary route of exposure in children? Answer:
Ingestion of lead contaminated dust through normal hand-to-mouth
activity
◉ What are some construction trades that have a high risk of lead
exposure? Answer: lead abatement workers, carpenters, demolition
workers, painters, plumbers
