CSST Study Guide with complete
solutions
Aggressive-method - Answer -means removal or disturbance of building material by
sanding, abrading, grinding or other method that breaks, crumbles, or disintegrates
intact ACM
Amended water - Answer -means water to which surfactant (wetting agent) has been
added to increase the ability of liquid to penetrate ACM
Abestos Containing Material (ACM) EPA - Answer -means any material more than one
percent asbestos
Assistant Secretary - Answer -means the assistant secretary of labor for occupational
safety and health, US Department of labor, or designee
Authorized Person - Answer -means any person authorized by the employer and
required by work duties to be present in regulated areas
Building/facility owner - Answer -is the legal entity, including a lessee, which exercises
control over management and record keeping functions relating to a building and facility
in which activities covered by this standard take place
Certified Industrial Hygienist (CIH) - Answer -means one certified in the practice of
industrial hygiene by the American Board of Industrial Hygiene
Chief - Answer -means the chief of Division of Occupational Safety and Health, P.O.
Box 420603, San Francisco, CA 94142
Class I asbestos work - Answer -means activities involving the removal of TSI and
surfacing ACM and PACM
Class II asbestos work - Answer -means activities involving the removal of ACM which
IS NOT thermal system insulation or surfacing material. This includes, but is not limited
to, the removal of asbestos containing wallboard, floor tile and sheeting, roofing and
siding singles, and construction mastics
, Class III asbestos work - Answer -means REPAIR AND MAINTENANCE operations
where "ACM", including TSI and surfacing ACM & PACM, is likely to be disturbed
Class IV asbestos work - Answer -means maintenance and CUSTODIAL ACTIVITIES
during which employees contact but do not disturb ACM or PACM and activities to clean
up dust, waste, & debris resulting from Class I,II,III activities
Clean Room - Answer -means an uncontaminated room having favilities for the storage
of employees' street clothing & uncontaminated materials & equipment
Closely Resemble - Answer -means that the major workplace conditions which have
contributed to the levels of historic asbestos exposure, are no more protective than
conditions of the current workplace
Competent Person - Answer -means in addition to one who is capable of identifying
existing & predictable hazards in the surroundings or working conditions which are
unsanitary, hazardous, or dangerous to employees, and who has authorization to take
prompt corrective measures to eliminate them, one who is capable of identifying existing
asbestos hazards in the workplace and selecting the appropriate control strategy for
asbestos exposure, who has the authority to take prompt corrective measures to
eliminate them: in addition, for Class I and Class II (40 CFR part 763) for supervisor, or
its equivalent and, for Class III and Class IV work, who is trained in a manner consistent
with EPA requirements for training of local education agency maintenance and custodial
staff as set forth at 40 CFR 763.92(a)(2). Note: For operations involving more than 100
square feet of construction material as defined in subsection (r) of this section the
competent person may fulfill the requirement contained in Section 341.9 to specify a
certified supervisor for asbestos related work
Critical Barrier - Answer -means one or more layer of plastic sealed over all opening into
a work area or any other similarly placed physical barrier sufficient to prevent airborne
asbestos in a work area from migrating to an adjacent area
Decontamination area - Answer -means an enclosed area adjacent and connected to
the regulated area and consisting of an equipment room, shower area, and clean room,
which is used for the decontamination of workers, materials, and equipment that are
contaminated with asbestos.
Demolition - Answer -means the wrecking or taking out of any load- supporting
structural member and any related razing, removing, or stripping of asbestos products
Director - Answer -means the director, National Institute for Occupational Safety and
Health, US Department of Health and Human Services, or designee
Disturbance - Answer -means activities that disrupt the matrix of ACM or PACM,
crumble or pulverize ACM or PACM, or generate visible debris from ACM or PACM.
Disturbance includes cutting away small amounts of ACM and PACM, no greater than