CHI Environmental & Safety Assessment 3

Question 1

Which building material used in floor tiles and adhesive (mastic) installed before 1980 commonly contains asbestos?

Accepted Answer

9-inch vinyl floor tiles

Answer

9-inch vinyl floor tiles and their adhesive mastic installed before 1980 frequently contain asbestos fibers.

Question 2

What is the primary pathway for radon gas to enter a home?

Accepted Answer

Through cracks and openings in the foundation from soil

Answer

Radon enters homes primarily through cracks, joints, and openings in the foundation from the underlying soil and rock.

Question 3

A home inspector finds a bathroom without any exhaust ventilation. The PRIMARY safety and structural concern is:

Accepted Answer

Moisture accumulation leading to mold growth and structural damage

Answer

Without exhaust ventilation, moisture from baths and showers accumulates, promoting mold growth and structural deterioration.

Question 4

What is the recommended clearance between the bottom of a wooden structural member and the soil in a crawl space?

Accepted Answer

18 inches

Answer

A minimum 18-inch clearance between soil and wood framing in a crawl space is recommended to reduce moisture and pest damage.

Question 5

Which condition would MOST concern a home inspector regarding lead paint?

Accepted Answer

Deteriorating and peeling lead paint on windows and doors

Answer

Deteriorating, chipping, or peeling lead paint — especially on friction surfaces like windows and doors — creates hazardous dust and chips.

(CHI) Certified Home Inspector Practice Test