©Jason MacConnell 2025 ALL RIGHTS RESERVED.
CSST Exam Questions With Correct
Answers A+
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
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.
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.
1
, ©Jason MacConnell 2025 ALL RIGHTS RESERVED.
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 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)
- Annually
- Upon termination (Cal OSHA requirement)
What should be performed at an asbestos medical surveillance exam ? - Answer✔Occupational
History Exam, Chest X ray, Pulmonary Function Test, stool sample
Is there a safe level of asbestos exposure ? - Answer✔no
What are the 7 major components of the AHERA law ? Whom do they apply ? -
Answer✔inspection and reinspection requirements, sampling and inspection procedures, lab
approval process, accredited and non accredited training programs, clearance air testing,
management plan requirements, notification requirements.
how many days is the required accredited training for a building inspector , management planner
, project supervisor, abatement worker , project designer ? - Answer✔3 , 2 , 5 , 4 , 3
When is unaccredited in house training ok ? - Answer✔Maintenance or custodial working in
areas where friable ACM is present (2 hour awareness course) , Maintenance personnel
disturbing small amounts of asbestos (2 hours awareness + 14 for sixteen hours operations and
maintenance training).
2
