2023/2024: Dutson Downs GRO Soil, Surface Water + Groundwater

8/9/23: Dutson Downs GRO Solid samples tests at 6 locations

1. Location: Wallaby 1 PFOS 0.0016mg/kg
2. Location: Wallaby 2 PFOS 0.0054mg/kg
3. Location: Kangaroo North 1 PFOS 0.0027mg/kg
4. Location: Kangaroo North 2 PFOS 0.0048mg/kg
5. Location: H9-1 PFOS 0.0034mg/kg
6. Location: H9-2 PFOS 0.0036mg/kg

22/5/24: Dutson Downs GRO Soil. 36 soil tests for 29 PFAS chemicals.

5 samples tested positive for PFAS chemicals >0.0016ug/L. 31 other soil tests ‘negative/<0.0016ug/L

1. PFOA 0.0012ug/L, PFOS 0.0021ug/L, Sum of PFHxS+PFOS 0.0021ug/L
2. PFOS 0.0053ug/L, Sum of PFHxS+PFOS 0.0053ug/L
3. PFOS 0.0031ug/L, Sum of PFHxS+PFOS 0.0031ug/L
4. PFOS 0.0045ug/L, Sum of PFHxS+PFOS 0.0045ug/L
5. PFOS 0.0037ug/L, Sum of PFHxS+PFOS 0.0037ug/L

28/5/24: Dutson Downs GRO Soil. 5 tests at 5 locations

1. PFOS 0.0032mg/kg
2. PFOS 0.0076mg/kg
3. PFOS 0.037mg/kg, PFHxA 0.002mg/kg, PFOA 0.002mg/kg, PFHxS 0.013mg/kg
4. PFOS 0.028mg/kg, PFHxS 0.0032mg/kg
5. PFOS 0.031mg/kg, PFHxA 0.0017mg/kg, PFOA 0.0018mg/kg, PFHxS 0.0072mg/kg

4/9/24: Dutson Downs GRO Soil. 5 soil tests for 29 PFAS chemicals.

5 samples tested positive for PFAS chemicals >0.0016ug/L.

1. PFHxA 0.0023ug/L, PFHxS 0.0034ug/L, PFOS 0.0044ug/L, Sum of PFHxS+PFOS 0.0078ug/L
2. PFOA 0.0028ug/L, PFHxS 0.013ug/L, PFOS 0.05ug/L, Sum of PFHxS+PFOS 0.062ug/L
3. PFHxA 0.0029ug/L, PFOA 0.0027ug/L, PFHxS 0.02ug/L, PFOS 0.016ug/L, Sum of PFHxS+PFOS 0.036ug/L
4. PFHxA 0.0017ug/L, PFOA 0.0011ug/L, PFHxS 0.0062ug/L, PFOS 0.015ug/L, Sum of PFHxS+PFOS 0.021ug/L
5. PFHxA 0.0038ug/L, PFOA 0.0023ug/L, PFHxS 0.016ug/L, PFOS 0.0099ug/L, PFPeS 0.0022ug/L Sum of PFHxS+PFOS 0.026ug/L

Groundwater 2020-2023

9 test regimes for 29 PFAS chemicals

One positive sample on 3/1/22: Sum of PFAS 0.007ug/L

Surface Water 7/1/20

Bucket 3: FOSA 0.04ug/L

20/12/23: Surface Water tests in Drains and Puddles

1. (Water NP-S-SW 1): PFOS 0.029ug/L, PFBA 0.23ug/L, PFPeA 0.25ug/L, PFHxA 0.92ug/L, PFHpA 0.076ug/L, PFOA 0.12ug/L, PFBS 0.33ug/L, PFPeS 0.12ug/L, PFHxS 0.61ug/L
2. (Water NP-S-SW 2): PFOS 0.075ug/L, PFBA 0.32ug/L, PFPeA 0.22ug/L, PFHxA 0.76ug/L, PFHpA 0.07ug/L, PFOA 0.14ug/L, PFBS 0.31ug/L, PFPeS 0.12ug/L, PFHxS 0.58ug/L
3. (Drain 1): PFOS 0.52ug/L, PFBA 4.5ug/L, PFPeA 5.5ug/L, PFHxA 23ug/L, PFHpA 2.1ug/L, PFOA 2.5ug/L, PFBS 8.4ug/L, PFPeS 3.3ug/L, PFHxS 16ug/L, 6:2 FTS 0.066ug/L
4. (Drain 2): PFOS 0.11ug/L, PFBA 0.61ug/L, PFPeA 0.56ug/L, PFHxA 2.2ug/L, PFHpA 0.19ug/L, PFOA 0.35ug/L, PFBS 0.71ug/L, PFPeS 0.3ug/L, PFHxS 0.16ug/L, 6:2 FTS 0.012ug/L
5. (Puddle 1): PFOS 0.015ug/L, PFPeA 0.32ug/L, PFHxA 0.67ug/L, PFHpA 0.057ug/L, PFOA 0.11ug/L, PFBS 0.25ug/L, PFPeS 0.049ug/L, PFHxS 0.2ug/L
6. (Puddle 2): PFPeA 0.65ug/L, PFHxA 0.65ug/L, PFHpA 0.036ug/L, PFOA 0.078ug/L, PFBS 0.16ug/L, PFPeS 0.014ug/L, PFHxS 0.074ug/L, 6:2 FTS 0.005ug/L, PFNS 0.003ug/L

28/8/24 Surface Water tests in Pond Water

1. PFOS 0.046ug/L, PFBA 0.027ug/L, PFPeA 0.053ug/L, PFHxA 0.15ug/L, PFHpA 0.045ug/L, PFOA 0.031ug/L, PFBS 0.018ug/L, PFPeS 0.018ug/L, PFHxS 0.085ug/L
2. PFOS 0.068ug/L, PFBA 0.029ug/L, PFPeA 0.056ug/L, PFHxA 0.17ug/L, PFHpA 0.065ug/L, PFOA 0.033ug/L, PFBS 0.024ug/L, PFPeS 0.019ug/L, PFHxS 0.084ug/L
3. PFOS 0.037ug/L, PFBA 0.031ug/L, PFPeA 0.056ug/L, PFHxA 0.17ug/L, PFHpA 0.063ug/L, PFOA 0.043ug/L, PFBS 0.025ug/L, PFPeS 0.02ug/L, PFHxS 0.086ug/L