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Table 5 GFS for PFC [17, 38] of first priority (rationale for prioritization see section “List of contaminants selected”)

From: Significance thresholds for the assessment of contaminated groundwater: perfluorinated and polyfluorinated chemicals

No.

Name, abbreviation (CAS no.)

GFS (μg/L)

Basis (μg/L)

Human health

PNEC

1

Perfluorobutyric acid, PFBA (375-22-4)

10

10

1260

2

Perfluoropentanoic acid, PFPeA (2706-90-3)

− (HRIV: 3.0)

320

3

Perfluorohexanoic acid, PFHxA (307-24-4)

6

6

1000

4

Perfluoroheptanoic acid, PFHpA (375-85-9)

− (HRIV: 0.3)

5

Perfluoroctanoic acid, PFOA (335-67-1)

0.1

0.1

570

6

Perfluorononanoic acid, PFNA (375-95-1)

0.06

0.06

8

7

Perfluorodecanoic acid, PFDA (335-76-2)

− (HRIV: 0.1)

10

8

Perfluorobutanesulfonic acid, PFBS (375-73-5)

6

6

3700

9

Perfluorohexanesulfonic acid, PFHxS (355-46-4)

0.1

0.1

250

10

Perfluoroheptanesulfonic acid, PFHpS (375-92-8)

− (HRIV: 0.3)

11

Perfluorooctanesulfonic acid, PFOS (1763-23-1)

0.1

0.1

0.23

12

H4-Polyfluorooctanesulfonic acid, H4PFOS (27619-97-2)

− (HRIV: 0.1)

870

13

Perfluorooctanesulfonamide, PFOSA (754-91-6)

− (HRIV: 0.1)

  1. The HRIV for non-assessable substances is explained in sections “Substances insufficiently characterized” and “Uncertainty analysis” as well as in LAWA [62]