Table 2.

Analytical methods, characteristics, and abundance of MPs detected in TW and DWTP. PET: polyethylene terephthalate; PP: polypropylene; PE: polyethylene; PS: polystyrene; PVC: polyvinyl chloride; PA: polyamide; PAM: polyacrylamide; PPS: polyphenylene sulfide; PEST: (PES − polyether sulfone + PET); SW: surface water; GW: groundwater; DW: drinking water.

Reference	Water Source	Analytical Method	Shape	Detected Polymers	Particle Size	Abundance
Strand et al. [91]	-	FTIR	Fibers, Fragments, Films	PET, PP, PS, others,	10–100 μm; >100 μm	0.3 p/L (10–100 μm); <LOD (>100 μm);
Uhl et al. [90]	SW	FTIR	-	-	-	<LOQ
Mintening et al. [27]	GW	FTIR	Fibers	PEST, PVC, PE, PA, Epoxy resin	50–150 μm	0.7 p/m3
Shruti et al. [85]	GW	SEM-EDS, RM	Fibers	PTT and Epoxy resin	>100 μm	18 ± 7 p/L
Tong et al. [86]	-	RM	Fragments, Fibers, Spheres	PE, PP, PE + PP, PPS, PS, PET, others	1–5000 μm	440 ± 275 p/L
Weber et al. [83]	GW	RM	-	-	-	<LOQ
Shen et al. [87]	SW	SEM, FTIR, RM	Fragments, Fibers, Spheres	PA, PVC, PP, PET, PE, Others	1–10 μm; 10–100 μm; >100μm	266 ± 56 p/L 63 ± 11 p/L 14 ± 5 p/L
Pittroff et al. [84]	GW	RM	-	PE, PET, PP, PA	5–1000 μm;	40 ± 48 p/m3
Feld et al. [92]	GW	FTIR	Fragments, Fibers	PP, PS, PET, others	10–100 μm; >100 μm	0.2 ± 0.1 p/L 0.31 ± 0.14 p/L
Almaiman et al. [89]	DS	FTIR	-	PE	25–500 μm	1.8 p/L (1 of 2 samples)
Mukotaka et al. [82]	GW-SW	FTIR	Fragments, Spheres Fibers	PS, SEBS, PP, PES, PE, PVC, others	10–100 μm; >100 μm	32 ± 29 p/L 7.3 ± 9.1 p/L
Chu et al. [88] 2022	GW	FTIR	Fragments, Fibers	PEST, NY, PS	>10 μm	13.23 p/L