Although testing for mold falls outside InterNACHI’s Residential Standards of Practice, it’s a service that’s in high demand, especially for homeowners who live in flood-prone areas, and those who live in older homes.  Unchecked mold indoors is a serious threat to a home’s structure.  And it also poses severe health risks to family members.  Inspectors who are considering offering mold testing should start by reading Mold Testing for Home Inspectors.