In the Washington DC area, O2 Mold Testing provides professional mold testing services for residential, commercial, and industrial properties. Certified technicians are ready for whatever your needs, from air sampling to mold testing to visual mold inspection in order to identify areas of concern. At O2 Mold Testing, we pride ourselves on our reliability, professionalism, and service. We give our customers the information they need when they need it the most, so they can move forward with mold remediation.