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