Česká společnost pro hmotnostní spektrometrii

(13. ročník České konference hmotnostní spektrometrie a 11. Neformální proteomické setkání - FrO-15)
Per- and polyfluorinated compounds (PFAS) in wild common bream

Kateřina Grabicová ^1 *, Helena Švecová ¹, Helena Hinterholzová ¹, Petra Nováková ¹, Tomáš Randák ¹, Roman Grabic ¹

1. Jihočeská univerzita v Českých Budějovicích, Fakulta rybářství a ochrany vod

Abstrakt

Per- and polyfluorinated compounds (PFAS) are persistent and, therefore, ubiquitous in the aquatic environment. The new legislation at the European Union level (Commission Regulation (EU) 2022/2388) adjusts the concentration of four selected PFAS, namely perfluorooctane sulfonic acid (PFOS), perfluorooctanoic acid (PFOA), perfluorononanoic acid (PFNA) and perfluorohexane sulfonic acid (PFHxS), in fish fillet used for human consumption. The sum of those four PFAS should be lower than 4 ng/g ww (wet weight). The study aimed to develop an analytical LC-HRMS method for monitoring the concentration of nearly 40 PFAS in wild common bream (Abramis brama) caught at ten localities in the Czech Republic. In the first step, a robust and multiresidual analytical method was developed to detect sub ng/g concentrations. In the fish fillet, 24 different PFAS were found at total concentrations up to 43 ng/g ww. Water reservoirs were more polluted than rivers. PFOS was the PFAS with the highest concentration. The limits of the four PFAS were exceeded at most of the sampled localities.

* Korespondující autor: grabicova@frov.jcu.cz

Poděkování:

This study was financially supported by the Ministry of Agriculture of the Czech Republic, project NAZV “ Occurrence of perfluorinated and polyfluorinated compounds in the meat of fish farmed and wild in the Czech Republic“ (No. QL25020015).