**2023: Aldinga Waste Water Treatment Plant**

**Influent**

8/6/23: PFOS 5ng/L, PFOA 6ng/L, Sum of PFAS 31ng/L

9/6/23: PFOS 7ng/L, PFOA 3ng/L, Sum of PFAS 17ng/L

10/6/23: PFOS 6ng/L, PFOA 3ng/L, Sum of PFAS 17ng/L

11/6/23: PFOS 9ng/L, PFOA 2ng/L, Sum of PFAS 17ng/L

12/6/23: PFOS 13ng/L, PFOA 2ng/L, Sum of PFAS 21ng/L

13/6/23: PFOS 7ng/L, PFOA 4ng/L, Sum of PFAS 25ng/L

14/6/23: PFOS 7ng/L, PFOA 5ng/L, Sum of PFAS 29ng/L

**Effluent**

8/6/23: PFHxS 6ng/L, PFOS 6ng/L, PFHxS + PFOS 12ng/L, PFOA 4ng/L, Sum of PFAS 54ng/L

9/6/23: PFHxS 4ng/L, PFOS 3ng/L, PFHxS + PFOS 7ng/L, PFOA 3ng/L, Sum of PFAS 44ng/L

10/6/23: PFHxS 4ng/L, PFOS 3ng/L, PFHxS + PFOS 7ng/L, PFOA 4ng/L, Sum of PFAS 47ng/L

11/6/23: PFHxS 4ng/L, PFOS 3ng/L, PFHxS + PFOS 3ng/L, PFOA 5ng/L, Sum of PFAS 47ng/L

12/6/23: PFHxS 4ng/L, PFOS 3ng/L, PFHxS + PFOS 7ng/L, PFOA 4ng/L, Sum of PFAS 46ng/L

13/6/23: PFHxS 6ng/L, PFOS 5ng/L, PFHxS + PFOS 11ng/L, PFOA 4ng/L, Sum of PFAS 53ng/L

14/6/23: PFHxS 6ng/L, PFOS 6ng/L, PFHxS + PFOS 12ng/L, PFOA 4ng/L, Sum of PFAS 54ng/L

**Aldinga WWTP DAFF Recycled Water**

11/6/23: PFOS 60ng/L, PFOA 30ng/L, Sum of PFAS 130ng/L

12/6/23: PFOS 70ng/L, PFOA 52ng/L, Sum of PFAS 140ng/L

13/6/23: PFOS 80ng/L, PFOA 44ng/L, Sum of PFAS 160ng/L

14/6/23: PFOS 30ng/L, PFOA 42ng/L, Sum of PFAS 90ng/L

**SA Water WWTP SN 1074 Biosolids PFAS 2023**

**Aldinga WWTP : Sludge Lagoon**

21/2/23 506/13: PFHxS 0.3ug/kg, PFOS 5.5ug/kg, PFHxS + PFOS 5.8ug/kg, PFOA 2.8ug/kg, Sum of PFAS 24.8ug/kg

9/11/23 506: PFHxS 2.7ug/kg, PFOS 25ug/kg, PFHxS + PFOS 27.7ug/kg, PFOA 5.1ug/kg, Sum of PFAS 48.2ug/kg

9/11/23 506: PFHxS 2.8ug/kg, PFOS 25ug/kg, PFHxS + PFOS 27.8ug/kg, PFOA 4.8ug/kg, Sum of PFAS 50.6ug/kg

**Aldinga WWTP: Sludge Lagoon TOPA**

21/2/23 506/13: PFHxS 1ug/kg, PFOS 5.7ug/kg, PFHxS + PFOS 6.7ug/kg, PFOA 5.8ug/kg, Sum of PFAS 37.7ug/kg

9/11/23 506: PFHxS 4ug/kg, PFOS 29ug/kg, PFHxS + PFOS 33ug/kg, PFOA 12ug/kg, Sum of PFAS 56.8ug/kg

9/11/23 506: PFHxS 4.3ug/kg, PFOS 32ug/kg, PFHxS + PFOS 36.3ug/kg, PFOA 13ug/kg, Sum of PFAS 62.2ug/kg