MASBESTOS SUPERVISOR INITIAL
EXAM QUESTIONS AND ANSWERS
Asbestos is what type of material? - Naturally occurring fibrous silicate material
Asbestos health problems are caused mainly by: - Inhalation of asbestos fibers into the lower lung area
Smokers who work with asbestos are ______ times more likely to develop lung cancer over a non-
smoking, non-asbestos worker. - 50
Which asbestos related disease is always terminal, not related to smoking and caused more by the
smallest fibers? - mesothelioma
A half-face, negative pressure, HEPA cartridge respirator has a protection factor of 10. This means: - The
mask will protect the worker up to 10 times the OSHA PEL
Per OSHA 29 CFR 1926.1101 determination of employee exposure shall be made from ____________
samples that are representative of the 8 hour TWA of each employee. - Breathing Zone
The term HEPA means: - High Efficiency Particulate Air (absolute)
What type of vacuum should be used for picking up Asbestos debris? - HEPA
Which respirator is the minimum level of approved respiratory protection for asbestos abatement? - Half
face negative pressure Respirator
Which type of Asbestos "wet" with water easiest? - Anthophyllite
Which individual, if properly certified, would have access to an asbestos site in a building? - a. Project
monitor (b) building representative
(c) contractor representative
How often should a positive/negative pressure face seal be conducted on a negative pressure respirator?
- Daily
According to ICR 56, how large does the clean room of the decontamination unit have to be if there are
17 workers on the project? - 96 ft2
According to OSHA regulation 29 CFR 1926.1101, how often is a medical exam given to an asbestos
abatement worker? - At new hire and yearly
Which of the following make-up an OSHA Medical Evaluation? - a. Pulmonary function test (b) Medical
history questionnaire (c) Cardiac evaluation
The current OSHA permissible exposure limit (PEL) is: - 0.1 fiber/cc
, NYS Code Rule 56 final clearance air quality standard is: - <0.01 fiber/cc or background level, whichever
is greater
Asbestos was used in which of the following materials? - a. Insulation (b) Fire proofing (c) Acoustical tiles
The disease caused by the inhalation of asbestos fibers that causes scarring of the lung tissue and
reduces the lung capacity? - a. Asbestosis (b) Mesothelioma (c) Colitis
An agent added to water to improve wetting and penetration into asbestos-containing materials and
which helps keep asbestos out of the air is a: - Surfactant
What is the EPA definition of friable asbestos containing materials? - An asbestos containing material
that can be crumbled or crushed by hand pressure
A form of highly friable asbestos is: - Sprayed-on fire proofing
What practice(s) does OSHA ban in a regulated work area? - a. Eating (b) Smoking (c) applying cosmetics
inside the abatement work area
The Federal agency responsible for the enforcement of non-governmental worker protection regulations
is: - Occupational Health and Safety Administration (OSHA)
Respirators used for asbestos removal should be approved by what agency? - National Institute of
Occupation Safety and Health (NIOSH)
During removal of air cell steam pipe lagging using a glove bag as a containment structure, which
method best applies? - Cut along the seam in order to remove lagging
A powered air purifying respirator (PAPR) - Draws air from within the work area across HEPA filters and
supplied a face mask with positive pressure by battery
The purpose of aggressive air sampling is got : - To make residual fibers on surfaces airborne, simulating
building occupancy and activity
The type of tools used for the clean-up of the work area includes: - Plastic shovel and squeegee
The flow rate for a personal air sample for asbestos using 25mm filter cassettes should be - 0.5 - 2.5 liters
per minute
A removal area is 100 feet long and 50 feet wide with a ten foot ceiling. What is the volume of the area?
- 50,000 cubic feet
Assuming a negative air filtration unit pulls 2,000 cubic feet per minute, how many units would be
required to maintain sufficient negative pressure in the above area? (add one extra unit as back-up) - 3
The Federal Agency responsible for the enforcement of environmental regulation is: - Occupational
Safety and Health Administration (OSHA)
One method of reducing electrical shock potential inside a removal area is with the use of: - Ground fault
circuit interrupters (GFCI)
EXAM QUESTIONS AND ANSWERS
Asbestos is what type of material? - Naturally occurring fibrous silicate material
Asbestos health problems are caused mainly by: - Inhalation of asbestos fibers into the lower lung area
Smokers who work with asbestos are ______ times more likely to develop lung cancer over a non-
smoking, non-asbestos worker. - 50
Which asbestos related disease is always terminal, not related to smoking and caused more by the
smallest fibers? - mesothelioma
A half-face, negative pressure, HEPA cartridge respirator has a protection factor of 10. This means: - The
mask will protect the worker up to 10 times the OSHA PEL
Per OSHA 29 CFR 1926.1101 determination of employee exposure shall be made from ____________
samples that are representative of the 8 hour TWA of each employee. - Breathing Zone
The term HEPA means: - High Efficiency Particulate Air (absolute)
What type of vacuum should be used for picking up Asbestos debris? - HEPA
Which respirator is the minimum level of approved respiratory protection for asbestos abatement? - Half
face negative pressure Respirator
Which type of Asbestos "wet" with water easiest? - Anthophyllite
Which individual, if properly certified, would have access to an asbestos site in a building? - a. Project
monitor (b) building representative
(c) contractor representative
How often should a positive/negative pressure face seal be conducted on a negative pressure respirator?
- Daily
According to ICR 56, how large does the clean room of the decontamination unit have to be if there are
17 workers on the project? - 96 ft2
According to OSHA regulation 29 CFR 1926.1101, how often is a medical exam given to an asbestos
abatement worker? - At new hire and yearly
Which of the following make-up an OSHA Medical Evaluation? - a. Pulmonary function test (b) Medical
history questionnaire (c) Cardiac evaluation
The current OSHA permissible exposure limit (PEL) is: - 0.1 fiber/cc
, NYS Code Rule 56 final clearance air quality standard is: - <0.01 fiber/cc or background level, whichever
is greater
Asbestos was used in which of the following materials? - a. Insulation (b) Fire proofing (c) Acoustical tiles
The disease caused by the inhalation of asbestos fibers that causes scarring of the lung tissue and
reduces the lung capacity? - a. Asbestosis (b) Mesothelioma (c) Colitis
An agent added to water to improve wetting and penetration into asbestos-containing materials and
which helps keep asbestos out of the air is a: - Surfactant
What is the EPA definition of friable asbestos containing materials? - An asbestos containing material
that can be crumbled or crushed by hand pressure
A form of highly friable asbestos is: - Sprayed-on fire proofing
What practice(s) does OSHA ban in a regulated work area? - a. Eating (b) Smoking (c) applying cosmetics
inside the abatement work area
The Federal agency responsible for the enforcement of non-governmental worker protection regulations
is: - Occupational Health and Safety Administration (OSHA)
Respirators used for asbestos removal should be approved by what agency? - National Institute of
Occupation Safety and Health (NIOSH)
During removal of air cell steam pipe lagging using a glove bag as a containment structure, which
method best applies? - Cut along the seam in order to remove lagging
A powered air purifying respirator (PAPR) - Draws air from within the work area across HEPA filters and
supplied a face mask with positive pressure by battery
The purpose of aggressive air sampling is got : - To make residual fibers on surfaces airborne, simulating
building occupancy and activity
The type of tools used for the clean-up of the work area includes: - Plastic shovel and squeegee
The flow rate for a personal air sample for asbestos using 25mm filter cassettes should be - 0.5 - 2.5 liters
per minute
A removal area is 100 feet long and 50 feet wide with a ten foot ceiling. What is the volume of the area?
- 50,000 cubic feet
Assuming a negative air filtration unit pulls 2,000 cubic feet per minute, how many units would be
required to maintain sufficient negative pressure in the above area? (add one extra unit as back-up) - 3
The Federal Agency responsible for the enforcement of environmental regulation is: - Occupational
Safety and Health Administration (OSHA)
One method of reducing electrical shock potential inside a removal area is with the use of: - Ground fault
circuit interrupters (GFCI)
