The factory operated a chlor-alkali process (1942–1977) and produced pentachlorophenol “PCP” (1964– 1979) but is no longer operating. Historic contamination has migrated into neighbouring fishponds – local soil and fish samples are both highly contaminated with dioxins.
Source categories of waste contamination by POPs:
Polychlorinated dibenzo-p-dioxins
and dibenzofurans (dioxins)