Is a strong cat urine odor harmful?

— marie NAVARRA Willamina, OR

Answered by Maggie Michel LEED AP on November 21, 2011

What's the best method for radon remediation in a 3 year old new construction home?

— Grace Mars Greenville, NY

Answered by Danny Kelly on November 2, 2011

How should I deal with off-gassing from a Melamine desk?

— Julie Reimers Mechanicsburg, PA

Answered by Joel Hirshberg on August 15, 2011