complete solution 2023/2024
ACM stands for
Asbestos Containing Material
The operating agency for each public school building in which fraible asbestos
containing materials have been identified shall monitor airborne asbestos levels
in each sampling area. For at least how many hours during a period of normal
activity must this monitoring be done?
it must be done for 8 hours
What portion of insurance coverage for medical exams and monitoring as
required by law must the contractor provide?
all of the cost
Responsibility for ACM control in a building is primarily that of the
owner
The category least suspected of releasing asbestos fibers into the air because of
friability is
miscellaneous products
The program manager can speed up the sampling process when preparing for a
building inspection for asbestos by revealing ACM in the
blueprints
Before plastic barriers are set up, the work area should be
wet cleaned
What percentage of Federal, commercial, and residential construction before
1970 contained asbestos in pipe or boiler insulation?
20%
The efficiency of the negative air pressure unit or cabinet is determined by the
Magnehelic guage and the manometer
Disposal bags are primarily made of which type of plastic?
A minimum of 6 mil
A contractor must sign the contract and execute the bonds _____ days after
being awarded the bid
5 days
What should be posted "in plain view" of workers at teh jobsite to ensure safety?
Emergency telephone numbers
For a negative air pressure unit or cabinet, what volt-power supply is needed?
115 volt
Assembly Bill 2040 requires warning signs to state
Danger- asbestos cancer and lung hazard- keep out!
Mesothelioma is a cancer of
the lining of the lungs
These are all true
During removal, asbestos must be wetted to keep down airborne fibers and there must
be no visible emission to the outside air.
, After removal, asbestos must be kept wet, placed in leak tight containers with warning
labels, and transported to a State approved waste disposal site.
Proper work practices must be followed in renovation or demolition jobs involving at
least 260 lf of asbestos on pipes and at least 160sf on flat surfaces.
Asbestos may not be dropped on the ground, even if wetted
Lung cancer is five times more common in people exposed to asbestos than in
individuals who have not been exposed. A person who is a smoker will increase
risk from __________ percent
30 to 90 percent
Usually asbestos related disease will not show up for
15 to 40 years
HVAC units should be
shut off and locked down
The negative air pressure unit must have at least how many prefilters?
1
The room used to store equipment is called the
dirty room
Negative air pressure systems use_____ filters
HEPA
After clean up procedures have been completed, a negative air pressure unit or
cabinet should run ____ hours.
4 hours
The three forms of abatement are encapsulation, removal, and
enclosure
The size plastic that should be used for walls is
4 mil
What is an important factor causing ACM disturbances in schools, band practice
rooms, and gyms?
vibration
What is one of the most common reasons an encapsulation procedure would not
be used?
For impariment of acoustical properties, for texture, for accessibility
When working on asbestos, all hand operated and power equipment which will
increase the asbestos fibers concentraction in excess of the limits must have
tools that
are controlled by a controlled exhaust, ventilation system
Who/What is responsible for establishing engineering controls such as, isolation,
enclosure, exhaust ventilation and dust collection and the exposure limits in the
state of California?
Title 8, Section 1529 and 5208
What is the amount of asbestos allowed in any substance is to be sprayed or put
on a building under construction or repair?
Zero amount