40 hr Asbestos Contractor/Supervisor
Course Exam Questions and Answers
with Verified Solutions | Latest Updated
2026
ACM asbestos containing material
PACM presumed asbestos containing
material
RACM regulated asbestos containing
material
ACBM Asbestos Containing Building
Material
size of asbestos fiber 0.3-0.8 microns
PLM Polarized Light Microscopy (method
for testing PACM)
Material is considered >1
asbestos containing when it
has ______% asbestos
Friable able to be crumbled to a powder
with hand pressure
Non-Friable cannot be crumbled by hand; will
not typically release asbestos fiber
, into the air
CFR Code of Federal Regulations
EL excursion limit
PEL Permissible Exposure Limit
what is the EL for asbestos? 1.0 f/cc over 30 min
what is the PEL for asbestos? 0.1 f/cc over 8 hours
Class 1 asbestos work removal of friable material; high risk
Friable or Non-Friable? Friable
sprayed surfacing material
Friable or Non-Friable? wall Non-Friable
board
Friable or Non-Friable? TSI Friable
Friable or Non-Friable? roofing Non-Friable
Class 2 asbestos work Removal of Non-Friable ACM
Class 3 asbestos work Work that may disturb asbestos or
require removal of a small amount
of ACM
Class 4 asbestos work Maintenance work of ACM
Course Exam Questions and Answers
with Verified Solutions | Latest Updated
2026
ACM asbestos containing material
PACM presumed asbestos containing
material
RACM regulated asbestos containing
material
ACBM Asbestos Containing Building
Material
size of asbestos fiber 0.3-0.8 microns
PLM Polarized Light Microscopy (method
for testing PACM)
Material is considered >1
asbestos containing when it
has ______% asbestos
Friable able to be crumbled to a powder
with hand pressure
Non-Friable cannot be crumbled by hand; will
not typically release asbestos fiber
, into the air
CFR Code of Federal Regulations
EL excursion limit
PEL Permissible Exposure Limit
what is the EL for asbestos? 1.0 f/cc over 30 min
what is the PEL for asbestos? 0.1 f/cc over 8 hours
Class 1 asbestos work removal of friable material; high risk
Friable or Non-Friable? Friable
sprayed surfacing material
Friable or Non-Friable? wall Non-Friable
board
Friable or Non-Friable? TSI Friable
Friable or Non-Friable? roofing Non-Friable
Class 2 asbestos work Removal of Non-Friable ACM
Class 3 asbestos work Work that may disturb asbestos or
require removal of a small amount
of ACM
Class 4 asbestos work Maintenance work of ACM