Outflow from Sturge chemical factory into River Ouse, Humberside,  north-east England.
01 January, 1989 
GP0PJ8 
★★★★ (E) 
Tioxide titanium factory, Humberside, north-east England.
01 January, 1989 
GP0TZM 
★★★★ (E) 
09 March, 1985 
GP03ITE 
★★★★ (E) 
of 2 
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