ACM stands for
Asbestos Containing Material
The operating agency for each public school building in which fraible asbestos containing materials
... [Show More] 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
In reference there is exception to the above question, which of the following is most false?
any coating to fireproof steel beams in high rise construction that will be covered with a finished wall.
airlocks should be of what recommended length according to some sources?
6 feet
the most accurate method for measuring airborne asbestos is
TEM
friable asbestos is found in which of the two most common building materials?
sprayed on insulation and ceiling tiles
the contractor must always be in full compliance with which of the following?
the existing wage rate of the california labor code
the epa does not have a category for acm in
insulation on tanks
the 5 criterias the epa has on sealants for encapsulation are
impact resistance, flame spread, smoke generation, toxic gas release during combustion and adhesive/cohesive strength.
how large should sections be when removing acm from duct and pipe work?
areas that are easy to handle (generally min of 3 feet)
when an injury occurs in a contaminated work place, what is the accepted rule?
the seriousness of the injury must be determined and then you proceed accordingly
prior to beginning an asbestos abatement job, the contractor must notify the police department, fire department, emergency medical unit and ___ in writing
department of health services
assembly bill 2040 does not require which of the following regarding notification of regulatory authorties
not require- the individual who owns the building
does require- the dates of the project, where the job is located, the supervisor of the job
resp protection must be worn when wet handling methods are not feasible or are incapable of controlling the concentration. what is the limit of asbestos in the air allowed for the use of reusable or single air filtrering resperators in accordance with section 5208?
10 times the limit
powered air filtering respirators can be used for lower concentrations, but must be worn when the asbestos fiber concentration is over______
10 times, but not more than 100 times the limit
if the asbestos fiber concentration is over 100 times, which of the following must be worn?
continuous flow respirators
pressure demand air line respirators
self contained breathing respirators
each worker shall, each time he leaves the work area, remove the gross contamination from clothing, preoceed to the equipment room and remove all clothing. when is the proper time to remove the respirator?
not until he is in the shower. [Show Less]