CHI Environmental & Safety Assessment 2

Question 1

What is the EPA action level for radon in indoor air that triggers mitigation?

Accepted Answer

4 pCi/L

Answer

The EPA recommends mitigation when radon levels reach or exceed 4 picocuries per liter (pCi/L).

Question 2

Which type of insulation, commonly found in homes built before 1980, is a known asbestos-containing material?

Accepted Answer

Vermiculite attic insulation

Answer

Vermiculite insulation, particularly from the Libby, Montana mine, is known to be contaminated with asbestos.

Question 3

A home inspector discovers visible mold on drywall in a basement. What is the MOST appropriate action?

Accepted Answer

Note the finding and recommend evaluation by a qualified mold remediation specialist

Answer

Home inspectors identify and document mold presence but defer remediation assessment to qualified specialists.

Question 4

Carbon monoxide (CO) is most dangerous because it is:

Accepted Answer

Colorless and odorless, making it undetectable without a detector

Answer

CO is colorless and odorless, so occupants cannot detect it without a CO detector, making it a silent killer.

Question 5

What does GFCI stand for in the context of electrical safety?

Accepted Answer

Ground Fault Circuit Interrupter

Answer

GFCI stands for Ground Fault Circuit Interrupter, a safety device that cuts power when it detects current leakage.

(CHI) Certified Home Inspector Practice Test