Everyday more and more home inspection companies are selling mold tests as part of a real estate transaction pre-purchase home inspection. Is the mold testing really necessary or recommended when buying a home? Isn't it enough that a good home inspector will document any visible significant mold growth and/or visible moisture problems that could lead to mold growth?
According to the U.S. Environmental Protection Agency (EPA) in most cases, mold testing or sampling is unnecessary. EPA further states "Since no EPA or other federal limits have been set for mold or mold spores, sampling cannot be used to check a building's compliance with federal mold standards".
The Center for Disease Control and Prevention, states that "If you can see or smell mold, a health risk may be present. You do not need to know the type of mold growing in your home, and CDC does not recommend or perform routine sampling for molds. No matter what type of mold is present, you should remove it. Since the effect of mold on people can vary greatly, either because of the amount or type of mold, you can not rely on sampling and culturing to know your health risk. Also, good sampling for mold can be expensive, and standards for judging what is and what is not an acceptable quantity of mold have not been set. The best practice is to remove the mold and work to prevent future growth."
Further complicating this issue there are countless different ways to perform mold testing and sampling which will produce many dissimilar results. And as mentioned above, no government standards are yet in place for interpretation.
In brief, I have not jumped on the mold testing bandwagon. My credibility to my clients and the real estate industry is more important than any potential short-term increase in profit.
"Glen Fisher southjerseynpi@aol.com
"The South Jersey Home Inspector"
http://www.epa.gov/mold/preventionandcontrol.html
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