Asbestos Contractor-Supervisor Training Exam Questions &
Answers.
Chrysotile - ANS the only asbestos mineral found in the serpentine group and the most
common in the USA at 90-95%. "White Asbestos"
Amorite - ANS Second most likely found asbestos. "Brown Asbestos" 5-10%
Crocidolite - ANS "Blue Asbestos" 1-5%
Actinolite - ANS Can be in vermiculite (often associated with Template) no current
production.
Template - ANS Can be in Vermiculite. Some current production in India.
Anthophylite - ANS Rare. No current production.
Serpentine - ANS Long-wavy structure
Amphibole - ANS Short; rigid structure; most hazardous
Friable ACM - ANS can be crumbled, pulverized, or reduced to powder by hand. > 1%
ACM
Non-friable ACM - ANS cannot be pulverized by hand. > 1% ACM
Three categories of ACM in buildings: (according to EPA) - ANS Surfacing Materials
(sprayed or troweled)
Thermal System Insulation (TSI)
Miscellaneous (ceiling tile, drywall, floor tiles)
What is the typical latency period for asbestosis? - ANS 10-20 years
What part of the lungs does asbestosis affect? - ANS the alveoli
What is the typical latency period for Mesothelioma? - ANS 30-40 years
What part of the lungs does Mesothelioma affect? - ANS affects the exothermic layer of
the lungs
What is the typical latency period for lung cancer? - ANS 20-30 years.
PACM - ANS Presumed Asbestos Containing Material
OSHA categories: (High-> low risk) - ANS Class I: TSI/ surfacing material ACM.
, Class II: Miscellaneous.
Class III: Operation and Maintenance.
Class IV: Clean- up
NESHAP - ANS National Emission Standards for Hazardous Air Pollutants
AHERA - ANS Asbestos Hazard Emergency Response Act
(Specifically pertaining to SCHOOLS)
When must you notify NESHAP of an asbestos related job? - ANS Any project over 160
SF/260LF of RACM
What is the Permissible Exposure Limit in the US? - ANS PEL is required to be <0.1
f/cc.
What are the two types of fit-tests? - ANS Qualitative: Less comprehensive. With
irritants.
Quantitative: More comprehensive. With pressurization levels.
How many layers of polyethylene must line the walls, ceilings, and floors? - ANS 2
layers of 6 mil.
What must be done to the HVAC during an asbestos abatement project? - ANS 1)
turned off
2) Sealed
3) Control panel sealed, labeled and locked
NESHAP classifications are: - ANS Demolition- Removing 1+ load-bearing member
Renovation- Altering facility w/o removing 1 load- bearing member
Category I NF- "resilient flooring, asphalt roofing, gaskets, or packing’s."
Category II NF- any non-friable not ""
RACM- basically any currently or will become friable material.
RACM - ANS basically any currently or will become friable material.
What are the four broad categories of respirators? - ANS 1) Air-purifying
2) Supplied-air
3) Self-contained breathing apparatus (SCBA)
4) Combination
Supplied Air regulations - ANS 19.5-23.5% Oxygen
10 ppm carbon monoxide
1000 ppm carbon dioxide
"Type C" system
"Grade D" air
Answers.
Chrysotile - ANS the only asbestos mineral found in the serpentine group and the most
common in the USA at 90-95%. "White Asbestos"
Amorite - ANS Second most likely found asbestos. "Brown Asbestos" 5-10%
Crocidolite - ANS "Blue Asbestos" 1-5%
Actinolite - ANS Can be in vermiculite (often associated with Template) no current
production.
Template - ANS Can be in Vermiculite. Some current production in India.
Anthophylite - ANS Rare. No current production.
Serpentine - ANS Long-wavy structure
Amphibole - ANS Short; rigid structure; most hazardous
Friable ACM - ANS can be crumbled, pulverized, or reduced to powder by hand. > 1%
ACM
Non-friable ACM - ANS cannot be pulverized by hand. > 1% ACM
Three categories of ACM in buildings: (according to EPA) - ANS Surfacing Materials
(sprayed or troweled)
Thermal System Insulation (TSI)
Miscellaneous (ceiling tile, drywall, floor tiles)
What is the typical latency period for asbestosis? - ANS 10-20 years
What part of the lungs does asbestosis affect? - ANS the alveoli
What is the typical latency period for Mesothelioma? - ANS 30-40 years
What part of the lungs does Mesothelioma affect? - ANS affects the exothermic layer of
the lungs
What is the typical latency period for lung cancer? - ANS 20-30 years.
PACM - ANS Presumed Asbestos Containing Material
OSHA categories: (High-> low risk) - ANS Class I: TSI/ surfacing material ACM.
, Class II: Miscellaneous.
Class III: Operation and Maintenance.
Class IV: Clean- up
NESHAP - ANS National Emission Standards for Hazardous Air Pollutants
AHERA - ANS Asbestos Hazard Emergency Response Act
(Specifically pertaining to SCHOOLS)
When must you notify NESHAP of an asbestos related job? - ANS Any project over 160
SF/260LF of RACM
What is the Permissible Exposure Limit in the US? - ANS PEL is required to be <0.1
f/cc.
What are the two types of fit-tests? - ANS Qualitative: Less comprehensive. With
irritants.
Quantitative: More comprehensive. With pressurization levels.
How many layers of polyethylene must line the walls, ceilings, and floors? - ANS 2
layers of 6 mil.
What must be done to the HVAC during an asbestos abatement project? - ANS 1)
turned off
2) Sealed
3) Control panel sealed, labeled and locked
NESHAP classifications are: - ANS Demolition- Removing 1+ load-bearing member
Renovation- Altering facility w/o removing 1 load- bearing member
Category I NF- "resilient flooring, asphalt roofing, gaskets, or packing’s."
Category II NF- any non-friable not ""
RACM- basically any currently or will become friable material.
RACM - ANS basically any currently or will become friable material.
What are the four broad categories of respirators? - ANS 1) Air-purifying
2) Supplied-air
3) Self-contained breathing apparatus (SCBA)
4) Combination
Supplied Air regulations - ANS 19.5-23.5% Oxygen
10 ppm carbon monoxide
1000 ppm carbon dioxide
"Type C" system
"Grade D" air
