CSST Exam 2025 (Actual Exam) Questions with verified Answers (Latest Update 2025) UPDATE!!

CSST Exam 2025 (Actual Exam) Questions
with verified Answers


Troweled-on boiler insulation, with 20% of its surface delaminated in a localized area, but
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with little or no potential for further damage, falls into which AHERA category? -
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ANS>>Significantly Damaged Thermal Systems Insulation or Damaged Thermal Systems
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Insulation
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A room is 20' long, 30' wide, and 10' High. How many 1600 CFM negative pressure units,
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operating at 75% efficiency, are required to achieve 4 air changes per hour? - ANS>>1
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Under AHERA, all LEA's must have an Inspection completed by which date? -
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ANS>>October 12, 1988
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Grade D air which is supplied from a compressed air source requires which of the
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following? - ANS>>A high-temperature and/or carbon monoxide alarm on the compressor
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Which of the following is the most serious condition? - ANS>>Heat Stroke
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A surfacing material with poor cohesion is a good candidate for _________ : -
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ANS>>penetrating encapsulant
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After conducting air monitoring in a building for general asbestos hazard evaluation
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purposes, a building owner must Inform tenants of the results within 15 days. This is
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required by: - ANS>>Connelly Bill, e.g. the Asbestos Notification Act
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, The AHERA regulation, 40 CFR 763, is a portion of which of the following? - ANS>>The
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Toxic Substance Control Act (TSCA) Title 15
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A trench is being excavated in order to access and abate a transite water main. The
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trench is 6' deep. Which of the following should be done? - ANS>>The trench should be
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shored or use other collapses protective system and the trench may need to be treated
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as a confined space, with required air testing performed
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Following an AHERA response action, which of the following does not require recording
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under AHERA? - ANS>>Fire rating data for encapsulant used.
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Following an employee's termination from an asbestos contractor employer, how long must
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training records be maintained? - ANS>>1 year
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Injury and Illness Prevention Plans are required by which agency? - ANS>>CAL/OSHA
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When does Cal/OSHA require notification for asbestos projects? - ANS>>Whenever any
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asbestos work will take place at a temporary job site (any amount)
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Which agency requires the unique Manifest ID number to be included on a bag of friable
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asbestos waste? - ANS>>Cal/EPA's DTSC
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Ceiling tiles fall under which AHERA material classification? - ANS>>miscellaneous
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You are performing an AHERA survey; you identity a friable suspect asbestos sprayed
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acoustical material in 3 rooms on the ceiling. The room dimensions are 60 x 90', 12 x
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90', and 60 x 60'. What is the minimum number of samples that you should collect? -
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ANS>>7
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