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Asbestos Test 1 Questions and Answers
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Asbestos Test 1 Questions and Answers
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Asbestos Test 1 Questions and AnswersASB exposure is effected by exposure, accessibility, ________, and ______ - Answer -
water exposure and vibration
What is the expression measurement for fibers per cubic centimeter? - Answer -f/cc
Modifications of withdrawls to bids are effective - Answer -when filed before the opening
of bids and in writing
Friable asbestos material releases fibers when - Answer -sanded, crushed, drilled or cut
A type of filter in a cassette is - Answer -a polycarbonate and cellulose ester filter
NESHAPs stands for - Answer -National Emission Standards for Hazardous Air
Pollutants
The decontamination unit should contain which type of sheeting - Answer -6 mil opaque
black or white plastic
If a contractor does not have the certification required under B&P code 7058.5, he is
subject to the revocation of contractors license and - Answer -a mandatory civil penalty
of not less than ($1000) and not more than ($3000)
What would be a time and cost effective method to abate a project? - Answer -Remove
ACM in coordinance with renovation projects
For which of the following is encapsulation a proper procedure? - Answer -Acoustical
plaster in good condition
Any person who may be exposed to an 8 hr. time weighted concentration of airborne
asbestos fibers shall not exceed how many fibers and to which length per cubic
centimeters of air? - Answer -Shall not exceed 2 fibers, longer than 5 micrometers
What is the maximum short term concentraction to which employees can be exposed? -
Answer -It shall not exceed 10 fibers longer than 5 micrometers
, When removing asbestos, it is always make sure that - Answer -the asbestos has been
wetted
What three microscopic methods are currently being used to analyze asbestos? -
Answer -Phase Contrast Microscopy (PCM), Scanning Electronic Microscopy (SEM),
Transmission Electron Microscopy (TEM)
What method is most avaliable, familiar and frequently used of the microscopic
procedures? - Answer -PCM (Phase Contrast Microscopy)
Which method gives the more complete information on airborne asbestos? - Answer -
TEM (Transmission Electron Microscopy)
Regardless of the microscopic method for measuring asbestos, what is the first
important step in the process? - Answer -Identifying a homogeneous worksite
If a contractor who is required to be certified under B&P code 7058.5 and does not have
a cert, they shall pay a mandatory fine of - Answer -not less than 1000 and not more
than 3000
if conducting an air sample using TEM, you collect 6 samples from inside your worksite,
you draw 2000 liters of air through each filter at 5 liters per minute and include one
laboratory blank and one field blank, you have proceeded _____ according to the EPA.
- Answer -incorrectly, the volume being drawn through each filter per minute is too low.
(Draw at least 3000 liters of air through each filter at a rate of 2 to 12 liters per minute.
This will take 3000 liters/12 liters per minute = 4 hours and 10 minutes)
Emergency telephone numbers should be posted in the - Answer -clean change room
and equipment (dirty) room
Two thorough cleanings are necessary in cleaning up. The contractor must wait -
Answer -24 hours between cleanings
PCM cannot detect fibers below what level? - Answer -5 micrometers
At what level above the ground should samples selected outside the building be taken?
- Answer -Close to ground level (about 2 meters high)
How long is airlock, according to the EPA? - Answer -Three feet
Part of the function of the encapsulant is _____ and therefore should not be applied to
thick material - Answer -peneteration
The most likely cause if ACM has delaminated or seperated into layers exposing
asbestos fibers is - Answer -water damage
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