CSST Exam 2025 Study Guide Practice Questions Test Bank and Detailed Solutions 2025/ 2026

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CSST EXAM 2025


white, large, cylindrical fibers

Chrysotile properties




brown, short, hydrophobic

Amosite properties




blue

Crocidolite properties




sharp, barb-like fibers

Tremolite properties




CSST EXAM 2025.pdf CSST EXAM 2025 //2026

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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




CSST EXAM 2025.pdf CSST EXAM 2025 //2026

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removal of all other ACM (requires respirator)

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




CSST EXAM 2025.pdf CSST EXAM 2025 //2026