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Table 3 Water matrices—chemical parameters

From: Sorptive removal of short-chain perfluoroalkyl substances (PFAS) during drinking water treatment using activated carbon and anion exchanger

Parameter

Tap water

Ground water

(PFAS contaminated)

SO42−

mg/L

58

37

Cl−

mg/L

27

19

NO3−

mg/L

3.8

17

HCO3−

mg/L

332

368

Ca2+

mg/L

112

119

Mg2+

mg/L

13

10

pH

–

7.4

7.2

TOC

mg/L

0.9

0.7

PFPrA

µg/L

–

0.12

PFBA

µg/L

–

0.19

PFPeA

µg/L

–

0.74

PFHxA

µg/L

–

0.62

PFHpA

µg/L

–

0.26

PFOA

µg/L

–

0.60