First report on the sources, vertical distribution and human health risks of legacy and novel per- and polyfluoroalkyl substances in groundwater from the Loess Plateau, China

• Jian ZhouNorthwest A&F University
• Shujian LiNorthwest A&F University
• Xiaoxue LiangNorthwest A&F University
• Xuemin FengNankai University
• Tiecheng WangMinistry of Agriculture and Rural Affairs
• Zhi LiMinistry of Agriculture and Rural Affairs
• Lingyan Y. ZhuNankai University