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CSST Exam 2026 Actual Complete Real Verified Exam
Questions with verified Answers (100% Correct
Answers) Already Graded A+|| Newest Exam!!!
What is the definition of a Surfacing Material? - Answer-
means material that is sprayed-on, troweled-on, or
otherwise applied to surfaces, such as acoustical plaster
on ceilings and fireproofing materials on structural
members, or other materials on surfaces for acoustical,
fireproofing, or other purposes.
What is the definition of Thermal Systems Insulation
(TSI)? - Answer-means material applied to pipes, fittings,
boilers, breeching, tanks, ducts, or other interior structural
components to prevent heat loss or gain, or water
condensation, or for other purposes.
What is the definition of a Miscellaneous Material? -
Answer-means interior building material that is not
surfacing material or thermal system insulation.
What is the definition of Friable? - Answer-means that
material, when dry, may be crumbled, pulverized, or
reduced to powder by hand pressure, and includes
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previously nonfriable materials after such previously
nonfriable material becomes damaged to the extent that
when dry it may be crumbled, pulverized, or reduced to
powder by hand pressure.
What is the primary type of asbestos used in the U.S ? -
Answer-Chrysotile.
List three building materials / locations where ACM is likely
to be found - Answer-There are over 3000 building
products that may contain asbestos. A limited list of
examples are: taping mud, flooring mastics/adhesives,
popcorn ceilings, fireproofing, vinyl floor tiles, sheet
flooring backing, transite, fire doors, fume hoods, felt
under roofs or siding, kiln bricks and cement, lab
equipment, fire safety equipment, auditorium curtains,
gaskets, vibration joints, HVAC duct tape, and many many
more.
What are the 3 major diseases related to asbestos
exposures ? - Answer-Asbestosis, Lung Cancer,
Mesothelioma.
,3|Page
What is a latency period ? What is the latency period for
asbestos related illnesses ? - Answer-The time between
exposure to asbestos and the time symptoms appear. 10-
40 years.
What asbestos-related disease normally appears only
after prolonged, heavy, occupational exposure to asbestos
? - Answer-Asbestosis
What asbestos related disease primarily affects those
exposed to asbestos who smoke cigarettes? - Answer-
Lung cancer. There is a synergistic effect that increases
the workers chances of getting lung cancer over 50 times.
Who must participate in a medical surveillance program? -
Answer-8 CCR1529 (m) (1).
A. The employer shall institute a medical surveillance
program for all employees who, for a combined total of 30
or more days per year, are engaged in Class I, II, and III
work or are exposed at or above the permissible exposure
limit. For purposes of this paragraph, any day in which a
worker engages in Class II or Class III operations or a
combination thereof on intact material for one hour or less
(taking into account the entire time spent on the removal
, 4|Page
operation, including cleanup) and, while doing so, adheres
fully to the work practices specified in this standard, shall
not be counted.
B. For employees otherwise required by this standard to
wear a negative pressure respirator, employers shall
ensure employees are physically able to perform the work
and use the equipment. This determination shall be made
under the supervision of a physician.
Why was asbestos added to construction materials ? -
Answer-It was a great insulator and binder. It added
strength and durability against weathering and use. It was
non-corrosive, did not conduct electricity, and made spray-
on products easier to apply.
What are the two classes of asbestos and their associated
types? - Answer-The two classes of asbestos are
Serpentine and Amphiboles.
Serpentine consists of one type: Chrysotile.
Amphiboles consists of five types: Amosite, Crocidolite,
Anthophyllite, Tremolite, Actinolite.
Of the different types of Amphiboles, which types were
most commonly used commercially? - Answer-Amosite
and Crocidolite
CSST Exam 2026 Actual Complete Real Verified Exam
Questions with verified Answers (100% Correct
Answers) Already Graded A+|| Newest Exam!!!
What is the definition of a Surfacing Material? - Answer-
means material that is sprayed-on, troweled-on, or
otherwise applied to surfaces, such as acoustical plaster
on ceilings and fireproofing materials on structural
members, or other materials on surfaces for acoustical,
fireproofing, or other purposes.
What is the definition of Thermal Systems Insulation
(TSI)? - Answer-means material applied to pipes, fittings,
boilers, breeching, tanks, ducts, or other interior structural
components to prevent heat loss or gain, or water
condensation, or for other purposes.
What is the definition of a Miscellaneous Material? -
Answer-means interior building material that is not
surfacing material or thermal system insulation.
What is the definition of Friable? - Answer-means that
material, when dry, may be crumbled, pulverized, or
reduced to powder by hand pressure, and includes
,2|Page
previously nonfriable materials after such previously
nonfriable material becomes damaged to the extent that
when dry it may be crumbled, pulverized, or reduced to
powder by hand pressure.
What is the primary type of asbestos used in the U.S ? -
Answer-Chrysotile.
List three building materials / locations where ACM is likely
to be found - Answer-There are over 3000 building
products that may contain asbestos. A limited list of
examples are: taping mud, flooring mastics/adhesives,
popcorn ceilings, fireproofing, vinyl floor tiles, sheet
flooring backing, transite, fire doors, fume hoods, felt
under roofs or siding, kiln bricks and cement, lab
equipment, fire safety equipment, auditorium curtains,
gaskets, vibration joints, HVAC duct tape, and many many
more.
What are the 3 major diseases related to asbestos
exposures ? - Answer-Asbestosis, Lung Cancer,
Mesothelioma.
,3|Page
What is a latency period ? What is the latency period for
asbestos related illnesses ? - Answer-The time between
exposure to asbestos and the time symptoms appear. 10-
40 years.
What asbestos-related disease normally appears only
after prolonged, heavy, occupational exposure to asbestos
? - Answer-Asbestosis
What asbestos related disease primarily affects those
exposed to asbestos who smoke cigarettes? - Answer-
Lung cancer. There is a synergistic effect that increases
the workers chances of getting lung cancer over 50 times.
Who must participate in a medical surveillance program? -
Answer-8 CCR1529 (m) (1).
A. The employer shall institute a medical surveillance
program for all employees who, for a combined total of 30
or more days per year, are engaged in Class I, II, and III
work or are exposed at or above the permissible exposure
limit. For purposes of this paragraph, any day in which a
worker engages in Class II or Class III operations or a
combination thereof on intact material for one hour or less
(taking into account the entire time spent on the removal
, 4|Page
operation, including cleanup) and, while doing so, adheres
fully to the work practices specified in this standard, shall
not be counted.
B. For employees otherwise required by this standard to
wear a negative pressure respirator, employers shall
ensure employees are physically able to perform the work
and use the equipment. This determination shall be made
under the supervision of a physician.
Why was asbestos added to construction materials ? -
Answer-It was a great insulator and binder. It added
strength and durability against weathering and use. It was
non-corrosive, did not conduct electricity, and made spray-
on products easier to apply.
What are the two classes of asbestos and their associated
types? - Answer-The two classes of asbestos are
Serpentine and Amphiboles.
Serpentine consists of one type: Chrysotile.
Amphiboles consists of five types: Amosite, Crocidolite,
Anthophyllite, Tremolite, Actinolite.
Of the different types of Amphiboles, which types were
most commonly used commercially? - Answer-Amosite
and Crocidolite
