Environmental
What is 'naturally occurring asbestos' (NOA) in Idaho and how does it differ from building-material asbestos?
AIt is identical to building-material asbestos in all respects
BNOA occurs naturally in certain rock formations in Idaho; it differs from building material asbestos in that it is naturally present in soils and rock rather than intentionally installed✓ Correct
CNOA is not a concern in Idaho
DNOA only affects mining operations, not residential real estate
Explanation
Certain Idaho geological formations contain naturally occurring asbestos (NOA) in serpentine and ultramafic rock. When disturbed by excavation or development, NOA can release fibers into the air. Unlike building-material asbestos, NOA is a natural geological feature — but it still requires careful management during grading and construction in affected areas.
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