CSST EXAM 2025 QUESTIONS WITH VERIFIED ANSWERS
white, large, cylindrical fibers Chrysotile properties
brown, short, hydrophobic Amosite properties
blue
Crocidolite properties
sharp, barb-like fibers Tremolite properties
green
Actinolite properties
packings, gaskets, RSF, roofing products Category 1 non-friable ACM
everything else non-friable Category 2 non-friable ACM
removal of TSI or surfacing material (requires respirator) Class I asbestos work
removal of all other ACM (requires respirator)
, CSST EXAM 2025 QUESTIONS WITH VERIFIED ANSWERS
Class II asbestos work
work being done where any ACM is likely to be disturbed (requires respirator)
Class III asbestos work
work being done where any ACM might be contacted Class IV asbestos work
unintentional disturbance of ACM more than 3 sq ft major fiber release episode
unintentional disturbance of ACM less than 3 sq ft minor fiber release episode
Powered Air Purifying Respirator PAPR
Asbestos Hazard Emergency Response Act AHERA
asbestos school hazard abatement reauthorization act ASHARA
National Institute for Occupational Safety and Health NIOSH
, CSST EXAM 2025 QUESTIONS WITH VERIFIED ANSWERS
National Emission Standards for Hazardous Air Pollutants NESHAP
Environmental Protection Agency EPA
Department of Transportation DOT
asbestos containing material
ACM
Asbestos Containing Building Material ACBM
asbestos containing construction material ACCM
asbestos containing roofing material ACRM
permissable exposure limit: 0.1f/cm3 based on 8 hour TWA. if above, respirator is required
PEL
excursion limit: 1f/cm3 based on 30 min EL
high efficiency particulate air filter HEPA
white, large, cylindrical fibers Chrysotile properties
brown, short, hydrophobic Amosite properties
blue
Crocidolite properties
sharp, barb-like fibers Tremolite properties
green
Actinolite properties
packings, gaskets, RSF, roofing products Category 1 non-friable ACM
everything else non-friable Category 2 non-friable ACM
removal of TSI or surfacing material (requires respirator) Class I asbestos work
removal of all other ACM (requires respirator)
, CSST EXAM 2025 QUESTIONS WITH VERIFIED ANSWERS
Class II asbestos work
work being done where any ACM is likely to be disturbed (requires respirator)
Class III asbestos work
work being done where any ACM might be contacted Class IV asbestos work
unintentional disturbance of ACM more than 3 sq ft major fiber release episode
unintentional disturbance of ACM less than 3 sq ft minor fiber release episode
Powered Air Purifying Respirator PAPR
Asbestos Hazard Emergency Response Act AHERA
asbestos school hazard abatement reauthorization act ASHARA
National Institute for Occupational Safety and Health NIOSH
, CSST EXAM 2025 QUESTIONS WITH VERIFIED ANSWERS
National Emission Standards for Hazardous Air Pollutants NESHAP
Environmental Protection Agency EPA
Department of Transportation DOT
asbestos containing material
ACM
Asbestos Containing Building Material ACBM
asbestos containing construction material ACCM
asbestos containing roofing material ACRM
permissable exposure limit: 0.1f/cm3 based on 8 hour TWA. if above, respirator is required
PEL
excursion limit: 1f/cm3 based on 30 min EL
high efficiency particulate air filter HEPA
