Environmental
A Minnesota property with a former dry cleaning operation is being sold. The most likely contaminant of concern is:
AAsbestos in building insulation
BLead in soil from paint chips
CPCE (perchloroethylene/tetrachloroethylene) in soil and groundwater✓ Correct
DBenzene from vehicle traffic
Explanation
Dry cleaning operations historically used PCE (also called PERC or tetrachloroethylene), a chlorinated solvent. PCE is a dense non-aqueous phase liquid (DNAPL) that penetrates deep into soil and groundwater, making cleanup extremely difficult and expensive. Minnesota has numerous dry cleaning-related contamination sites requiring investigation under MPCA oversight.
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