ANSWERS 100% VERIFIED
· What is a plenum? - ANSWER - The space in between two floors that transport air in
the building
· What is fibrosis? - ANSWER - Scar tissue on the connective tissue of the lungs
· What is the most common asbestos type disease? - ANSWER - Asbestosis
· What can a B reader do? - ANSWER - Interpret chest x-rays
· What is the type of encap that forms a hard shell around asbestos? - ANSWER -
Brighting encap
· What are 3 things to know about chrysotile? - ANSWER - 80% of asbestos used in
buildings was chrysotile
White, long and curly
Easily wets
· What are 3 things to know about amosite? - ANSWER - Less than 15% of asbestos
used in buildings was amosite
Brown
Doesn't absorb water
· What are 3 things to know about crocidolite? - ANSWER - Less than 5% of asbestos
use in buildings was crocidolite
Blue
Long and straight
· What are two types surfacing materials? - ANSWER - Sprayed on fireproofing
Acoustic plaster
· What are two types of thermal insulation materials? - ANSWER - Pipe wrap
Boiler/duct cover
· What are four types of miscellaneous materials? - ANSWER - Fire doors
floor tiles
ceiling tiles
siding
· What is Category I non-friable materials - ANSWER - Packing
Gaskets
, Floor covering
Asphalt roofing
· What is claims made insurance? - ANSWER - Only protects if the insurance is in place
when the claim is made (injury or effect is observed)
· What is bonding? - ANSWER - Protects owners against financial default
· What are performance bonds? - ANSWER - Agrees to complete the project if the
contractor can't.do so
Pay for labor and materials if contactor fails to do so
· What are bid bonds? - ANSWER - Ensures that the building owner will be able to
award the job for the lowest bid within 5-10%
· What are examples of contractual liability? - ANSWER - Liable for breach of contract
Ex: timeframe, sampling specs, laboratory use
· What are Category II non-friable materials? - ANSWER - Transite
Stucco
· What is RACM? - ANSWER - Regulated Asbestos-Containing Material
Friable asbestos material or non-friable asbestos material that has a chance to become
friable
· What is PACM? - ANSWER - Presumed asbestos-containing materials
Surfacing found in buildings before 1980
TSI
· What is friable ACM? - ANSWER - More than 1%
Can be crumbled by hand
Reduced to a powder when dry
Easily airborne
· What is non-friable ACM? - ANSWER - Hard to break
Less dangerous than friable
Shingles, siding, floor tile etc.
· What is an asbestos fiber size? - ANSWER - 5 micrometers
3 to 1 ratio
· According to EPA, does roofing and flooring need to be removed prior to demo? -
ANSWER - No
Local NESHAP agency may though