2016+2023: Glossop (SA). Pesticide: Chloropicrin

21/9/16: Glossop (SA) Chloropicrin 2.4ug/L

5/1/23: Glossop (SA) Chloropicrin 1.2ug/L

Chloropicrin source detections likely to be created as chlorine disinfection by-products, not pesticides.