if you are in the delaware valleu,PA area AVOID MOLD AbATEMENT CONTRACTORS. MAC. they contaminated my home...lied about certifications..sent abusive texts and threats. they promised work completed in a week...took close to 3 months.....and its still not done today. my home is a mess i cant even live in it.http://www.moldabatementcontractorsinc.com/services