Here's a line you may want to adopt & adapt:
Possible organic substance noted. The United States Environmental Protection Association (EPA) states, “If you believe that you may have a hidden mold problem, consider hiring a professional.” (Brief Guide to Mold, p.14, EPA). If any area of the residence is suspected of having organic growth, or any member of your family or household is sensitive to mold, we are lab-certified to conduct a Mold Inspection / Sampling to identify the types of mold (or any other airborne allergens) present. If necessary, we are also lab-certified to perform radon, meth, asbestos and other environmental testing services. See:
www.IdahoHomeInspectors.biz/rates for more information.