Why are HVAC duct systems a critical concern during a mold inspection in a water-damaged building?
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A
Ducts can distribute mold spores throughout the entire building, contaminating previously unaffected areas
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B
HVAC systems only affect outdoor air quality, not indoor
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C
Mold cannot grow inside metal ductwork due to the surface chemistry
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D
Ducts are only relevant if the building is older than 30 years