Mold can grow in the absence of visible moisture intrusion.
D000391:Air Microbiology; D002122:Calcium Chloride; D003252:Construction Materials / Q000382:microbiology*; D005160:Facility Design and Construction; D005430:Floors and Floorcoverings; D005658:Fungi / Q000302:isolation & purification*; D006813:Humidity / Q000009:adverse effects*
D002122:Calcium Chloride