Environmental & Safety Assessment Flashcards

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

Answer: 4 pCi/L

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

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

Answer: Vermiculite attic insulation

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

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

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

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

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

Answer: Colorless and odorless, making it undetectable without a detector

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

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

Answer: Ground Fault Circuit Interrupter

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

Which water test is MOST important to recommend for a home on a private well?

Answer: Coliform bacteria and nitrates

Coliform bacteria and nitrates are the primary health concerns in private well water and are recommended for testing.

During an inspection, a home inspector notices a furnace flue pipe with a visible separation. This is a safety concern primarily because of:

Answer: Risk of carbon monoxide entering the living space

A separated flue pipe can allow combustion gases, including carbon monoxide, to escape into living areas.