Fig. 2

Detection of PFOA in groundwater. Ion traces are shown for a blank and two spiked levels (10 and 100 ng/l). Inline SPE and 1.00 ml injection were used

Detection of PFOA in groundwater. Ion traces are shown for a blank and two spiked levels (10 and 100 ng/l). Inline SPE and 1.00 ml injection were used