Written by Stephen Henshaw, P.G., President and CEO, EnviroForensics
As seen in the May 2010 issue of Cleaner & Launderer
For years parties responsible for the costs associated with environmental investigations and cleanups of Perc contamination have been trying to determine when Perc releases have occurred. This topic has important ramifications when sites have had a series of dry cleaning operations over time, when different insurance carriers insured dry cleaners and property owners, and when several dry cleaning releases have comingled together from different dry cleaning locations.
So, for the past 15 to 20 years, scientists like Dr. Konrad Banaszak with EnviroForensics, have been trying to figure out how to age date PERC releases. So, can Perc releases be accurately age dated? The answer is yes, no and maybe. Continue reading “Can PERC Releases Be Age Dated and Fingerprinted?”