Per- and polyfluoroalkyl substances (PFAS) in sediments collected from the Pensacola Bay System watershed.

ABSTRACT: Sediment samples from 25 locations in the Pensacola Bay System (PBS) watershed were analyzed for the presence of 51 per- and polyfluoroalkyl substances (PFAS) using ultra high-performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) and selected reaction monitoring. Results revealed quantifiable concentrations of PFAS in all sampling locations. More specifically, perfluorobutanoic acid (PFBA) was present in every sediment sample with a minimum and maximum concentration of 0.04 to 0.48 ng g^-1 dry weight, respectively, across the 25 sites with an average of 0.1 ± 0.09 ng g^-1. While PFOS, with an average of 0.11 ± 0.14 ng g^-1 (range: -1) was the most abundant by concentration. LOQ of PFBA and PFOS were 0.01 ng g^-

SUBMITTER: Ahmadireskety A 

PROVIDER: S-EPMC10807301 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature