ANSWERS.
Why was asbestos added to construction materials ? -correct 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? -correct
answer - Chrysotile : Serpentine , Amosite and Crocidolites : amphiboles.
What is the predominant color and structure of Chrysotile asbestos ? -
correct answer - white , long , curly , hollow
What is the predominant color and structure of Amosite asbestos
? -correct answer - brown / tan ; long and straight
What is the predominant color and structure of Crocidolite ? - correct
answer - blue ; long and straight
What is the definition of a Surfacing material ? -correct 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? -correct 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: -correct answer - material
that is not TSI or surfacing but applied to structural components.
Define Friable vs non friable. -correct answer - Friable asbestos will
crumble , pulverize or otherwise release dust by applying hand pressure.
What agency does not use the term friable ? why? -correct 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 ? -correct answer - Chrysotile.
List three building materials / locations where ACM is likely to be found -
correct 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 ? - correct
, answer - Asbestosis, Lung Cancer, Mesothelioma.
What is a latency period ? What is the latency period for asbestos related
illnesses ? -correct 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 ? -correct answer - Paralyzes Cillia in lung.
What asbestos related disease normally appears only after long, large,
occupational exposure to asbestos ? -correct answer -
Asbestosis
what asbestos related disease primarily affects those exposed to asbestos
who smoke cigarettes? -correct answer - lung cancer - increases chances
over 50 times.
who must participate in a medical surveillance program -correct 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