Headspace Solid-Phase Microextraction Coupled to Comprehensive Two-Dimensional Gas Chromatography Time-of-Flight Mass Spectrometry for the Determination of Short-Chain Chlorinated Paraffins in Water Samples

Table 3

Occurrence and concentration levels of SCCPs in different water samples.

Sample code	Water type	Concentration (µg/L) ± SD
#1	Groundwater	n.d.
#2	Groundwater	n.d.
#3	Lake water	1.52 ± 0.08
#4	Lake water	1.40 ± 0.05
#5	Lake water	0.91 ± 0.03
#6	Lake water	1.05 ± 0.03
#7	River water	4.1 ± 0.2
#8	River water	2.98 ± 0.08
#9	River water	5.1 ± 0.1
#10	River water	3.36 ± 0.04

n.d., not detected (below the method detection limit).