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Asbestos Exam with correct Answers
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Asbestos Exam with correct Answers
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Asbestos Exam with correct AnswersAsbestos - Answer -A naturally occurring mineral fiber. Characteristics: high strength,
highly flexible, does not conduct electricity or heat
What are the groups of asbestos? - Answer -Serpentine Group, Amphibole Group
What are the most common asbestos minerals? - Answer -Chrysotile, Amosite,
Crocidolite, Anthophyllite, Tremolite, Actinolite
Serpentine Group - Answer -Chrysotile (White)
Amphibole Group - Answer -Amosite (Brown), Crocidolite (Blue), Anthophyllite,
Tremolite, Actinolite
Chrysotile - Answer -The asbestos variety in +90% of asbestos products in the U.S.
Amosite - Answer -Brown asbestos, fibrous Grunerite
Crocidolite - Answer -Blue asbestos, fibrous Riebeckite
ACM - Answer -Asbestos Containing Material, material greater than 1% asbestos
NESHAP - Answer -Demo and Renovation: Regulated friable and non-friable asbestos
containing material (ACM/RACM)
AHERA - Answer -Friable and non-friable asbestos-containing building material (ACBM)
OSHA - Answer -Asbestos-containing material (ACM) & Presumed Asbestos-containing
materail (PACM)
Friable ACM - Answer -Material, that when dry, may be crumbled, pulverized or reduced
to powder by hand pressure. Puffy crunchy stuff. Includes damages non-friable material.
Includes non-friable materials that is not kept substantially intact (non-friable broken =
friable)
Asbestos Uses - Answer -Fireproofing
Thermal Insulation
, Acoustical Insualtion
Condensate Control
Decoration
Strengthening
ACM Classification - Answer -Surfacing Materials (SM)
Thermal System Insulation (TSI)
Miscellaneous Materials
Surfacing Material (SM) - Answer -Material that is sprayed, troweled on or applies to
surfaces (acoustical plaster or fire proofing materials), sprayed on steel beams for
insulation, popcorn ceilings, NOT A SURFACE
Thermal System Insulation (TSI) - Answer -Insulation material on systems such as:
boilers/steam delivery, chilled water, condensate returns and ductwork, stuff on pipes
Miscellaneous Materials - Answer -Broad spectrum of ACM's that do not fall into the
other categories (SM or TSI). Ceiling tiles, floor tiles, floor mastics, electrical
applications (asbestos cloth used to insulate electrical lines), roofing materials, wall
board, sidings, cement panels, corrugated cement board (transite), joint compound,
drywall mud, flex connectors, window glazing, caulks, friction products (brake & clutch),
patch material, gaskets, o-rings
Why is asbestos dangerous? - Answer -Asbestos fibers, once inhaled will cause
scarring and may cause cancer
Asbestos Health Facts - Answer -Asbestos is a known carcinogen
There is no known "safe" level
Doesn't kill you instantly, no immediate health effects, will take years if at all
Those that are affected typically experienced prolong exposure, rare with limited
exposure
Asbestos fibers must enter the body while airborne, must be breathed through mouth or
nose, or swallowed
Fibers do not "leap" off materials, material must be disturbed
Fibers cannot enter body through eyes, cuts, skin, etc..
How does asbestos enter the body? - Answer -Breathe air in through nose or mouth
Travels down the throat larynx (voice box) and trachea (windpipe)
Goes into lungs through tubes called main-stem bronchi
The main-stem bronchi divide into smaller bronchi
Further divide into smaller tubes called bronchioles
Bronchioles end in tiny air sacs called alveoli (millions in lungs, the size of a tennis
court)
Health Effects - Answer -Mesothelioma
Lung Cancer
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