Comments | Hervey Junction QC, January 21, 1995. 28 of 44 rail cars containing sulphuric acid became derailed and spilled the majority of their contents; a total of 234 m³ of acid spilled into Masketi Lake and the Towachiche River; the pH of the lake descended to 2.7 but rose to 5.3 after the addition of 170 tonnes of limestone and soda; all vegetation and wildlife were destroyed; the lake was closed for recreation for eight years, the river for five. |