1|Page
CSST 2025/2026 EXAM WITH ALL COMPLETE
QUESTIONS AND DETAILED CORRECT ANSWERS
WELL ERABORATED FOR GUARANTEED PASS
TOP-RATED A+.
CSST
This precise guide is designed to prepare you for the CSST (Certified
Sediment and Stormwater Inspector) exam. It features key practice
questions and verified answers covering essential inspection protocols
and compliance standards. Master the required material and achieve
your certification with confidence.
Why was asbestos added to construction materials ? ......
ANSWER ....... It provided: insulation properties,
strength and durability from weathering, made spray on
products easier to apply, and does not conduct electricity.
What are the three types of asbestos and their associated
species? ...... ANSWER ....... Chrysotile : Serpentine ,
Amosite and Crocidolites : amphiboles.
What is the predominant color and structure of Chrysotile
asbestos ? ...... ANSWER ....... white , long , curly ,
hollow
,2|Page
What is the predominant color and structure of Amosite
asbestos ? ...... ANSWER ....... brown / tan ; long and
straight
What is the predominant color and structure of Crocidolite ?
...... ANSWER ....... blue ; long and straight
What is the definition of a Surfacing material ? ......
ANSWER ....... is a sprayed on troweled on or otherwise
applied to structural surfaces EX: acoustic / decorative
ceilings, fire proofing, textured paints and plasters.
what is the definition of Thermal Systems Insulation? ......
ANSWER ....... applied to pipes, fittings, tanks, other
structural, components etc. , to prevent heat loss or gain.
EX: pipe insulation, elbow mud, block insulation, air cell,
asbestos paper wrap, preformed halves, magnesium silica,
etc
what is the definition of Miscellaneous products: ......
ANSWER ....... material that is not TSI or surfacing but
applied to structural components.
,3|Page
Define Friable vs non friable. ...... ANSWER .......
Friable asbestos will crumble , pulverize or otherwise
release dust by applying hand pressure.
What agency does not use the term friable ? why? ......
ANSWER ....... OSHA - because tools that are used by
workers can easily make non friable materials friable.
Primary type of asbestos used in the U.S ? ...... ANSWER
....... Chrysotile.
List three building materials / locations where ACM is likely
to be found ...... ANSWER ....... fire doors, fume
hoods, felt under roofs or siding, amosite sheeting, kiln
bricks and cement, lab equipment, fire safety and
equipment, auditorium curtains, gaskets, vibration joints,
etc.
What are the 3 major illnesses related to asbestos exposures ?
...... ANSWER ....... Asbestosis, Lung Cancer,
Mesothelioma.
What is a latency period ? What is the latency period for
asbestos related illnesses ? ...... ANSWER ....... the time
, 4|Page
between exposure and symptoms / sign of illness. 10-40
years.
Why does cigarette smoking increase chances of getting an
asbestos related illness ? ...... ANSWER ....... Paralyzes
Cillia in lung.
What asbestos related disease normally appears only after
long, large, occupational exposure to asbestos ? ......
ANSWER ....... Asbestosis
what asbestos related disease primarily affects those exposed
to asbestos who smoke cigarettes? ...... ANSWER .......
lung cancer - increases chances over 50 times.
who must participate in a medical surveillance program
...... ANSWER ....... -Employees who conduct Class I,
Class II, and Class III work for more than thirty days.
-Employees who are exposed over the PEL for thirty or
more days in a year.
When are asbestos medical surveillance physical exams
required ? ...... ANSWER ....... - Before doing the work
(pre employment, pre placement)
CSST 2025/2026 EXAM WITH ALL COMPLETE
QUESTIONS AND DETAILED CORRECT ANSWERS
WELL ERABORATED FOR GUARANTEED PASS
TOP-RATED A+.
CSST
This precise guide is designed to prepare you for the CSST (Certified
Sediment and Stormwater Inspector) exam. It features key practice
questions and verified answers covering essential inspection protocols
and compliance standards. Master the required material and achieve
your certification with confidence.
Why was asbestos added to construction materials ? ......
ANSWER ....... It provided: insulation properties,
strength and durability from weathering, made spray on
products easier to apply, and does not conduct electricity.
What are the three types of asbestos and their associated
species? ...... ANSWER ....... Chrysotile : Serpentine ,
Amosite and Crocidolites : amphiboles.
What is the predominant color and structure of Chrysotile
asbestos ? ...... ANSWER ....... white , long , curly ,
hollow
,2|Page
What is the predominant color and structure of Amosite
asbestos ? ...... ANSWER ....... brown / tan ; long and
straight
What is the predominant color and structure of Crocidolite ?
...... ANSWER ....... blue ; long and straight
What is the definition of a Surfacing material ? ......
ANSWER ....... is a sprayed on troweled on or otherwise
applied to structural surfaces EX: acoustic / decorative
ceilings, fire proofing, textured paints and plasters.
what is the definition of Thermal Systems Insulation? ......
ANSWER ....... applied to pipes, fittings, tanks, other
structural, components etc. , to prevent heat loss or gain.
EX: pipe insulation, elbow mud, block insulation, air cell,
asbestos paper wrap, preformed halves, magnesium silica,
etc
what is the definition of Miscellaneous products: ......
ANSWER ....... material that is not TSI or surfacing but
applied to structural components.
,3|Page
Define Friable vs non friable. ...... ANSWER .......
Friable asbestos will crumble , pulverize or otherwise
release dust by applying hand pressure.
What agency does not use the term friable ? why? ......
ANSWER ....... OSHA - because tools that are used by
workers can easily make non friable materials friable.
Primary type of asbestos used in the U.S ? ...... ANSWER
....... Chrysotile.
List three building materials / locations where ACM is likely
to be found ...... ANSWER ....... fire doors, fume
hoods, felt under roofs or siding, amosite sheeting, kiln
bricks and cement, lab equipment, fire safety and
equipment, auditorium curtains, gaskets, vibration joints,
etc.
What are the 3 major illnesses related to asbestos exposures ?
...... ANSWER ....... Asbestosis, Lung Cancer,
Mesothelioma.
What is a latency period ? What is the latency period for
asbestos related illnesses ? ...... ANSWER ....... the time
, 4|Page
between exposure and symptoms / sign of illness. 10-40
years.
Why does cigarette smoking increase chances of getting an
asbestos related illness ? ...... ANSWER ....... Paralyzes
Cillia in lung.
What asbestos related disease normally appears only after
long, large, occupational exposure to asbestos ? ......
ANSWER ....... Asbestosis
what asbestos related disease primarily affects those exposed
to asbestos who smoke cigarettes? ...... ANSWER .......
lung cancer - increases chances over 50 times.
who must participate in a medical surveillance program
...... ANSWER ....... -Employees who conduct Class I,
Class II, and Class III work for more than thirty days.
-Employees who are exposed over the PEL for thirty or
more days in a year.
When are asbestos medical surveillance physical exams
required ? ...... ANSWER ....... - Before doing the work
(pre employment, pre placement)
