Under the asbestos standards, what makes a material an "asbestos-containing material" (ACM)?
A. It contains more than 1% asbestos
B. It is any material found in a building constructed before 2000
C. It is any gray or white insulation, regardless of composition
D. It is any material an employee personally suspects might be hazardous
Source: 29 CFR 1926.1101(b) (definitions: ACM)
A building was constructed in 1975. Under the presumption rule, how must its thermal system insulation (TSI) and surfacing material generally be treated absent testing showing otherwise?
A. Presumed to be asbestos-containing material (PACM)
B. Presumed to be entirely asbestos-free
C. Ignored entirely, since presumption rules only apply to buildings built after 1980
D. Treated as hazardous only if it appears damaged
Source: 29 CFR 1926.1101(b) (definitions: PACM); (k)(1)
Which materials define "Class I" asbestos work?
A. Thermal system insulation (TSI) and surfacing ACM or PACM
B. Vinyl floor tile only
C. Roofing shingles only
D. Any material located outdoors
Source: 29 CFR 1926.1101(b) (definitions: Class I work)
Vinyl floor tile, roofing material, siding, and mastics containing asbestos, when they are not thermal system insulation or surfacing material, fall under which class of asbestos work?
A. Class II
B. Class I
C. Class III
D. Class IV
Source: 29 CFR 1926.1101(b) (definitions: Class II work)
For monitoring and analysis purposes, how does the standard define a countable asbestos "fiber"?
A. A particle at least 5 micrometers in length with an aspect ratio of at least 3 to 1
B. Any particle visible to the naked eye
C. Any particle that is white or gray in color
D. Any particle heavier than one milligram
Source: 29 CFR 1910.1001(b) (definitions: fiber)
