- | P a g e
pg. 1
CSST EXAM NEWEST 2025 ACTUAL EXAM|
COMPLETE 220 REAL EXAM QUESTIONS AND
CORRECT DETAILED ANS WERS (VERIFIED
ANSWERS) ALREADY GRADED A+| CSST EXAM
BUILDING INSPECTION WIT H FOCUS ON ASBESTOS
2025 (NEW!!)
What is NIOSH? - ANSWER - National Institute for Occupational Safety and Health
EPA recommends how many samples per friable material? - ANSWER - 9 (EPA always recommends 9 samples no matter the sample or surface area. However, the 3,5,7 rule is a requirement for friable materials)
TEM Cartridges are? - ANSWER - Transmission Electron Microscope 25mm 0.45μm + 5.0μm MCE (mixed cellulose ester) filter Material; Static conductive extension cowl for AHERA clearances
PCM cartridges are? - ANSWER - Phase Contrast Microscopy 25mm 0.8μm MCE (mixed cellulose ester) filter; Static conductive extension cowl for Non-AHERA Clearances
- things to know about Chrysotile? - ANSWER - 80% of asbestos was
used in buildings White, long, and curly, 1 / 4
- | P a g e
pg. 2 Hydrophilic (easily wets)
Three things to know about Amosite? - ANSWER - Less than 15% of asbestos used in building materials Brown Hydrophobic (repels water)
Three things to know about Crocidolite? - ANSWER - Less than 5% of asbestos used in building materials Blue; Long and straight Typically used in high heat applications (brakes, gaskets, etc.)
Asbestos fibers are best described as? - ANSWER - A naturally occurring mineral
What is NOA? - ANSWER - Naturally Occurring Asbestos
The most common variety of asbestos used in building materials? - ANSWER - Chrysotile
What is the type of asbestos material that is referred to as "blue" asbestos? - ANSWER - Crocidolite
The primary objective of AHERA is? - ANSWER - Identify and safely manage asbestos in the building 2 / 4
- | P a g e
pg. 3 The primary objective of the NESHAP is - ANSWER - To Control the generation and disposal of asbestos waste
What is NESHAP? - ANSWER - National Emission Standards for Hazardous Air Pollutants under the authority of Section 112 of the CAA, and asbestos was one of the first hazardous air pollutants regulated
What is the primary objective of the OSHA asbestos regulations? - ANSWER - To require employers to protect employees who perform asbestos related work
OSHA's current Permissible Exposure Limit (PEL) for asbestos as Time Weighted Average (TWA) is? - ANSWER - 0.1f/cc; one-tenth of a fiber per cubic centimeter
What are the two objectives of the AHERA Asbestos Building Inspector? - ANSWER - To identify all the ACBM and to assess the condition of all friable and TSI ACBM
What information does the Inspectors assessment report provide? - ANSWER - The current condition of all friable and TSI ACBM and it's potential for disturbance
How does the AHERA building Inspector determine friability? - ANSWER - By touch
- / 4
- | P a g e
pg. 4 What is the regulatory definition of friability? - ANSWER - the tendency of a solid substance to break into smaller pieces under hand pressure
What does AHERA consider to be the three classes of building materials? - ANSWER - TSI, Surfacing, and Miscellaneous
How many quality assurance samples does the EPA recommend? - ANSWER - 1 per building or 1 per 20 samples whichever is greater
According to OSHA, bulk sampling is considered to be what classification of asbestos work? - ANSWER - Class III O&M (operations and maintenance)
A vibration boot on an air handling system, roofing material, and 9"x9" floor tile is considered to be what, under AHERA? - ANSWER - Suspect Asbestos Containing Materials
Bulk samples are analyzed utilizing _____ method of microscopy - ANSWER - PLM (Polarized Light Microscopy)
Main route of exposure for asbestos? - ANSWER - Through inhalation
What three diseases are asbestos related? - ANSWER - Lung Cancer, Asbestosis, and Mesothelioma
- / 4