
Keywords: PFASs; perfluoroalkyl and polyfluoroalkyl substances; PFOA; perfluorooctanoic acid; FTOHs; fluorotelomer alcohols; PAS; passive air sampler; ACFs; activated carbon fiber felts; 6:2 FTOH; 1H,1H,2H,2H-perfluorooctanol; 8:2 FTOH; 1H,1H,2H,2H-perfluorodecanol