The Hongda Group facility, Shifang City, Sichuan Province.
The fluoride content of the leaching solution of the 32.9 acres phosphogypsum slag heap is 277 mg/l, which is much higher than 100 mg/l .
Greenpeace is currently investigating the manufacture of phosphate fertiliser in Sichuan.
Chemical fertilizers play an integral role in industrial agriculture and food production. However, its manufacture has proven to be highly polluting, contributing to wide-spread environmental contamination and causing distress for local communities living in the vicinity of the production facilities.