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· What is a plenum? - ANSWER The space in between two floors that transport air
in the building
· What is fibrosis? - ANSWER Scar tissue on the connective tissue of the lungs
· What is the most common asbestos type disease? - ANSWER Asbestosis
· What can a B reader do? - ANSWER Interpret chest x-rays
· What is the type of encap that forms a hard shell around asbestos? - ANSWER
Brighting encap
· What are 3 things to know about chrysotile? - ANSWER 80% of asbestos used
in buildings was chrysotile
White, long and curly
Easily wets
· What are 3 things to know about amosite? - ANSWER Less than 15% of
asbestos used in buildings was amosite
Brown
,Doesn't absorb water
· What are 3 things to know about crocidolite? - ANSWER Less than 5% of
asbestos use in buildings was crocidolite
Blue
Long and straight
· What are two types surfacing materials? - ANSWER Sprayed on fireproofing
Acoustic plaster
· What are two types of thermal insulation materials? - ANSWER Pipe wrap
Boiler/duct cover
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
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 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
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.
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 operation, including
cleanup) and, while doing so, adheres fully to the work practices specified in this
standard, shall not be counted.