Asbestos Practice Exam 2
the fee for the asbestos cert for work over 100 sf is
$50
what is true about white asbestos
- most commercial asbestos is white - most asbestos pipe lagging is white - it is not fibrous glass pipe lagging F- it is best handled when dry
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.
if owner allows worker to use equip and they are injured
notify insurance provider
Responsibility for ACM control in a building is primarily that of the
owner
the two types of encapsulants are
penetrating and briding
what kind of test is being conducted, when the worker puts on the respirator, closes off the respirator inlet and exhales for 10 minutes?
positive pressure test
you find out a worker normally wears contact lens. You should
provide your employee with a mask fitted with corrected lens. you cannot wear eye glasses or contacts with full faces resperitors.
when the workers are finished for the day, they must
remove all clothing and shower for 5 minutes
before erecting barriers, what should be done with furniture or fixtures? they should be
removed from the work area
where required to accomplish an air sampling at a california public primary or secondary school, what is the proper procedure?
sample before occupancy and 30 days after occupancy
HVAC units should be
shut off and locked down
what is not true?
signs must be posted, 20" x 30" stating, "asbestos work area, keep out"
friable asbestos is found in which of the two most common building materials?
sprayed on insulation and ceiling tiles
if the air sampling and visual inspection proves a positive result, what happens?
the contractor is released
the contractor must always be in full compliance with which of the following?
the existing wage rate of the california labor code
supplied air respirators have the disadvantage in that
the hose kinds of the hose may get cut
Mesothelioma is a cancer of
the lining of the lungs
if a worker is testing a respirator, he puts on the respirator, closes off the resp inlet and exhales for 10 seconds and a vacuum and air escapes around the face mask
the mask does not fit correctly
if a worker is testing a respirator, he puts on the respirator, closes off the resp inlet and inhales for 10 seconds and a vacuum and partial collapse of the mask results, then
the mask fits correctly
what should be taken off by a worker in the shower room?
the protective hat, the protective gloves, the respirator
if a worker cannot be fitted to a resp, give the worker
the right to come out of the work area every 10 minutes
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
respirators are rated on the basis of
the size of the particle filtered
what is the primary shortcoming of sampling suspect acm?
the unnecessary release of fibers
how should loaded debris bags be handled?
they should be wet wiped and put in another plastic bag
power lines to electrical outlets should be
turned off and locked down
if using latex paint as a sealant, which is most true?
vehicle content of at least 60% by weight and 25% by weight vehicle resin
the second efficency test of a negative air pressure unit is
ventilation smoke tubes and a rubber bulb to check air flow direction
What is an important factor causing ACM disturbances in schools, band practice rooms, and gyms?
vibration
the proper way to clean and sanatize a respirator is
wash it with soap and water in the shower for 5 mintues
Before plastic barriers are set up, the work area should be
wet cleaned
when is the proper time to check the fit of a respirator with a positive or negative air pressure fit?
when a new one is first worn everytime it is worn
a negative air pressure is
where air is filtered out faster than filtered in
if your worker has been overexposed to asbestos, what is the proper way to handle the situation
write him a letter providing him with the facts within 5 days
what must the contractor submit if the abatement projects involve 260 lf of pipe insulation or 160 sf of sprayed, troweled or otherwise applied material or covering or components become necessary?
written notification in accordance with 40 cfr 61.146 sub part M
what is the proper procedure to calc the protection factor for a resp?
concentration of fibers outside the mask/concentration of fibers inside the mask
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
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
The room used to store equipment is called the
dirty room
The three forms of abatement are encapsulation, removal, and
enclosure
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.
after working, the worker enters the hygene faciltiy, removes his clothes and respirator leaving them in the dirty room, then enters the shower using soap and water for 5 mintues. this procedure was
incorrect, he should have worn the resp in the shower and cleaned it there with soap
the most vital feature on a negative air pressure unit or cabinet is
instrument that measures efficiency
which is one of the 3 groups that the epa uses to categorize acm?
insulation on boilers, pipes, ducts, tanks, and other equipment
the epa does not have a category for acm in
insulation on tanks
smoking cigarettes
is bad
to qualify as asbestos containing material ____ of asbestos is required in the analysis
.1%
The negative air pressure unit must have at least how many prefilters?
1
when an employer gives as cont clothes to a cleaner, they must
1. label containers appropriately 2. contaminated clothes must be moved in sealed containers 3. the employer must tell the laundered of requirements to stop the release of airborne asbestos fibers in excess of OSHA limits. F- the launder must comply with OSHA standards
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
a powered air respirator is approved for
10 to 100 times the PEL
according to ab2040, for owners who contact with uncertified contractos, removing more than 100 sf, the first time penalty is
1000 to 3000 fine
For a negative air pressure unit or cabinet, what volt-power supply is needed?
115 volt
Usually asbestos related disease will not show up for
15 to 40 years
what type of leak tight container is normally used for asbestos removal?
2 (double) 6 mil poly labeled bags 1-6 mil polyethylene labeled bag in a 55 gal drum
asbestos related cancer usually arrives
20 years following the exposure
What percentage of Federal, commercial, and residential construction before 1970 contained asbestos in pipe or boiler insulation?
20%
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
the common width of negative air pressure units or cabinets is
30" or less
After clean up procedures have been completed, a negative air pressure unit or cabinet should run ____ hours.
4 hours
The size plastic that should be used for walls is
4 mil
in erecting barriers, what weight plastic is usually used?
4 mil
A contractor must sign the contract and execute the bonds _____ days after being awarded the bid
5 days
how many days must after a bid must an owner sign specs and have bond executed?
5 days
which of the following wetting agents is recommended by the EPA?
50% polyoxyethylene ether and 50% polyoxyetheylene ester
airlocks should be of what recommended length according to some sources?
6 feet
Disposal bags are primarily made of which type of plastic?
A minimum of 6 mil
ACM stands for
Asbestos Containing Material
Assembly Bill 2040 requires warning signs to state
Danger- asbestos cancer and lung hazard- keep out!
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
What should be posted "in plain view" of workers at teh jobsite to ensure safety?
Emergency telephone numbers
What is one of the most common reasons an encapsulation procedure would not be used?
For impariment of acoustical properties, for texture, for accessibility
Negative air pressure systems use_____ filters
HEPA
The efficiency of the negative air pressure unit or cabinet is determined by the
Magnehelic guage and the manometer
which of the following organizations is responsible for certifying resps?
NIOSH
according to 2040, clearance analysis of air samples for projects involving work in calii public schools must be accomplished by
TEM
the most accurate method for measuring airborne asbestos is
TEM
which of the following test will detect the finest particles of asbestos?
TEM
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
which of the following respirators should be worn if haz air is present?
Type C, air supplying
an asbestos contactor finished removal and performed air testing at a school for 3 weeks, this
is not correct, he must do it for 30 days.
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
the number of sources of power recommended are
a min of 2
the number of core samples of material that should be taken from each homogenous area is
a min of 3
you must have ___ when using a type c supplied air respirator
a reserve air supply
the final visual inspection should be completed
after the barriers are completed
What portion of insurance coverage for medical exams and monitoring as required by law must the contractor provide?
all of the cost
assembly bill 2040 refers to
all public primary and secondary schools
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.
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
how large should sections be when removing acm from duct and pipe work?
areas that are easy to handle (generally min of 3 feet)
what is the major consequence of water damage to acm?
asbestos fibers are left exposed to further erosion.
mandatory requirement for bid acceptance from a contractor?
attendance of a pre bid meeting
The program manager can speed up the sampling process when preparing for a building inspection for asbestos by revealing ACM in the
blueprints
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
The category least suspected of releasing asbestos fibers into the air because of friability is
miscellaneous products
what kind of tests are being conducted when the worker puts on the respirator, closes off the respirator inlet and inhales for 10 minutes?
negative pressure test
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