fig2
Figure 2. ΣPFASs concentrations (ng/L) in surface water samples from the BR, SR, and TR. ΣPFASs represents the sum of all quantified perfluoroalkyl and polyfluoroalkyl substances across each site. ΣPFASs: Total per- and polyfluoroalkyl substances; BR: Buriganga River; SR: Shitalakkha River; TR: Turag River.