Perchloroethylene proved more stubborn and could not be completely eradicated using traditional pump-and-treat methods
Evidence
Cleanup following 1982 train derailment in Livingston near an end (The Advocate)
Categorization
- corroborated: 2 independent passages support this claim
- XREF: connects to: Years of intensive treatment removed only tiny amounts of groundwater contaminant — Jonathan Harr, A Civil Action, 3137