Occurrence and risk assessment of perfluoroalkyl substances in the river basin around fluorine industry parks, China

Figures & data

Table 1. The concentrations PFASs in surface water (ng/L) and sediment (ng/g) samples.

Matrix	Compound	Range	Mean	Median	Detection rate (%)
surface water	PFBA	815.3–4791.7	1623.7	1295.2	100(23/23)
	PFPeA	ND-15019.4	11623.4	12580.3	91.3(21/23)
	PFHxA	2333.6–15039.2	5523.2	4658.1	100(23/23)
	PFHpA	2304.3–2579.2	2436.0	2414.9	100(23/23)
	PFOA	33.7–533.0	192.5	137.5	100(23/23)
	PFNA	ND-7.1	2.6	2.6	83.0(19/23)
	PFDA	ND-1.7	0.2	ND	13.0(3/23)
	PFDoDA	ND-3.7	0.3	ND	8.6(2/23)
	PFBS	2271.8–2829.3	2462.6	2465.4	100(23/23)
	PFHxS	ND-1.1	ND	ND	4.3(1/23)
sediment	PFBA	ND-7.0	0.7	ND	10.0(1/10)
	PFPeA	ND-7.8	1.9	1.4	80.0(8/10)
	PFHxA	ND-1.5	0.6	0.6	90.0(9/10)
	PFHpA	ND-0.8	0.2	0.1	70.0(7/10)
	PFOA	ND-4.1	0.7	0.3	80.0(8/10)
	PFNA	ND-0.3	0.02	ND	10.0(1/10)
	PFDA	ND-2.3	0.4	ND	30.0(3/10)
	PFUnDA	ND-2.0	0.4	ND	30.0(3/10)
	PFDoDA	ND-1.4	0.5	0.4	90.0(9/10)
	PFTrDA	ND-0.6	0.2	0.09	50.0(5/10)
	PFTeDA	ND-0.3	0.08	ND	30.0(3/10)
	PFHxDA	ND-0.2	0.02	ND	10.0(1/10)
	PFODA	ND-0.16	0.02	ND	10.0(1/10)
	PFBS	ND-0.5	0.2	0.2	90.0(9/10)
	PFOS	ND-1.57	0.2	ND	20.0(2/10)

Figure 1. Concentrations of the PFASs detected in the river basin around the FIPs. (a) surface water; (b) sediment.

Figure 2. Three-dimensional principal component in surface water. (a) loading plot and (b) score plot.

Figure 3. Three-dimensional principal components in sediment. (a) Loading plot and (b) Score plot.

Figure 4. Risk characterisation ratio (RCR) of the 10 PFASs to aquatic organisms.

Data availability statement

All data reported here can be made available on request.