Fig. 1
From: Occurrence of forever chemicals in Chennai waters, India
Water sampling locations in Chennai, Tamil Nadu, India. A showing the three sampling points inside the Perungudi open dump site. B showing the five sampling points from Chembarambakkam lake and all stages of WTP (raw water, clarifier outlet, filtration outlet, and treated water). C showing the four sampling points along the Adyar river, estuary (Adyar river and Bay of Bengal confluence), and confluence point of Buckingham canal and Adyar river. D showing the two sampling points along the Buckingham canal