Jeffrey C. May, principal scientist with May Indoor Air Investigations, LLC, an indoor air-quality investigation company in Tyngsborough, Massachusetts. A former contractor, home inspector and educator, May is author (with his wife, Connie) of My House Is Killing Me!, 2nd edition and The Mold Survival Guide. He holds a master’s degree in organic chemistry from Harvard and is a Certified Microbial Consultant and Certified Indoor Air Quality Professional. MayIndoorAir.com
Homeowners who see furry black spots on walls or around windows —the signs of mold—often rush to contact a remediation company. But beware—many of these...
