Scientific Reports

Table 1 Summary statistics of PFAS concentrations (ng/g dw) in surface sediments.

From: Spatial distribution and source apportionment of PFASs in surface sediments from five lake regions, China

	Analytes	Eastern Plain Region (n = 29) ^a				Mongolia-Xinjiang Plateau (n = 5)				Qinghai-Tibet Plateau (n = 4)				Yunnan-Guizhou Plateau (n = 8)				Northeast China Region (n = 4)
	Analytes	Min ^b	Max ^c	Mean	DF (%) ^d	Min.	Max.	Mean	DF (%)	Min.	Max.	Mean	DF (%)	Min.	Max.	Mean	DF (%)	Min.	Max.	Mean	DF (%)
PFCAs	PFBA	0.017	0.305	0.090	100	0.027	0.118	0.073	100	0.050	0.113	0.080	100	0.001	0.090	0.041	88	0.018	0.084	0.050	100
	PFPeA	0.005	0.141	0.048	100	0.032	0.082	0.056	100	0.026	0.090	0.060	100	0.005	0.015	0.010	100	0.010	0.058	0.034	100
	PFHxA	0.011	0.173	0.055	100	0.019	0.106	0.052	100	0.029	0.081	0.053	100	0.001	0.017	0.007	75	0.003	0.041	0.022	100
	PFHpA	0.007	0.190	0.040	100	0.010	0.022	0.014	100	0.013	0.042	0.034	100	0.001	0.030	0.009	88	0.004	0.050	0.023	100
	PFOA	0.006	1.10	0.296	100	0.020	0.105	0.066	100	0.084	0.114	0.099	100	0.028	0.365	0.109	100	0.044	0.485	0.214	100
	PFNA	0.056	0.296	0.138	100	0.007	0.036	0.019	100	0.009	0.026	0.016	100	0.003	0.038	0.012	100	0.009	0.165	0.061	100
	PFDA	0.030	1.46	0.206	100	0.003	0.015	0.008	100	0.004	0.007	0.006	100	0.001	0.020	0.007	88	0.010	0.026	0.020	100
	PFUnDA	0.074	1.22	0.326	100	0.002	0.021	0.013	100	0.004	0.012	0.009	100	0.007	0.035	0.020	100	0.036	0.093	0.075	100
	PFDoDA	0.004	0.357	0.071	100	0.001	0.004	0.002	80	0.001	0.005	0.002	100	0.001	0.009	0.005	100	0.005	0.014	0.010	100
	PFTrDA	0.026	0.520	0.111	100	0.003	0.009	0.006	100	0.001	0.007	0.003	75	0.003	0.013	0.008	100	0.011	0.029	0.021	100
	PFTeDA	0.001	0.076	0.018	90	0.001	0.004	0.002	40	0.001	0.007	0.003	75	0.001	0.008	0.003	88	0.001	0.007	0.003	75
PFSAs	PFOS	0.027	1.80	0.319	100	0.008	0.051	0.024	100	0.005	0.101	0.038	100	0.001	0.165	0.032	88	0.020	0.042	0.031	100
∑₁₂PFASs		0.568	5.79	1.72	100	0.202	0.452	0.333	100	0.294	0.462	0.402	100	0.086	0.579	0.264	100	0.355	0.679	0.565	100

^an indicates the number of lakes and reservoirs analyzed.
^bMin. means minimum.
^cMax. means maximum.
^dDF means detection frequency.

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