Environmental tracers and groundwater residence time indicators reveal controls of arsenic accumulation rates beneath a rapidly developing urban area in Patna, India. - Richards LA; Kumari R; Parashar N; Kumar A; Lu C; Wilson G; Lapworth D; Niasar VJ; Ghosh A; Chakravorty B; Krause S; Polya DA; et al. (Journal of contaminant hydrology, 2022)