Geo Map from Scientific Research

Sampling locations and chemical profiles. The sampling locations for wastewater treatment plant (WWTP) samples are mapped using QGIS (https://qgis.org/). Pie charts show the relative concentrations of APAP (red) and its degradation product, PAP (blue), at each site (data available in Additional file 1: Table S1 with statistics analysis). Both APAP and PAP were detected at all sites except sample W9 where no APAP was detected, with PAP consistently present at higher concentrations than APAP.

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