The EPA found that the most heavily contaminated soil was on the Unifirst property, which is adjacent to Grace. Moreover, the western area of groundwater contamination emanated from the Wildwood (formerly Riley) property and consisted primarily of TCE.
[Source: http://class.et.byu.edu/ce647/woburn/images/tocxsum.pdf]

[Source: http://www.epa.gov/region01/remed/sfsites/wellsgh/map.gif
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