Environmental

Which type of insulation commonly found in older Minnesota homes may present an asbestos hazard when disturbed?

AFiberglass batts
BVermiculite, which may be contaminated with asbestos✓ Correct
CSpray foam insulation
DCellulose blown-in insulation

Explanation

Vermiculite insulation (commonly sold as Zonolite) used in older Minnesota attics may be contaminated with asbestos from the Libby, Montana mine. When disturbed during renovation, it can release asbestos fibers. If vermiculite insulation is present, it should be tested and handled as potential asbestos-containing material.

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