The incidents on the Weston canal were caused by discharges from two of ICI's major complexes on Merseyside, Rocksavage and Castner Kellner. Prosecutions brought by the National Rivers Authority (NRA) were heard by Widnes magistrates in September.
The first incident occurred on 2 February at the Rocksavage works. About 45m3 of chlorocarbon effluent was lost to the site's drainage systems when a pump shattered. Some went directl