2022/23: Brighton Sewage Treatment Plant – Desludging

Brighton Sewage Treatment Plant Desludging – TasWater Biosolid Project

Brighton Sludge Lagoon 1A 25/8/22: 10:2 FTS 0.0014mg/kg, EtFOSAA 0.049mg/kg, EtFOSE 0.0069mg/kg, FOSA 0.0027mg/kg, MeFOSAA 0.0315mg/kg, MEFOSE 0.0266mg/kg, PFDS 0.0031mg/kg, PFOS 0.0035mg/kg. Sum of PFAS 0.125mg/kg, Sum of PFAS (WA DER LIST) 0.0035mg/kg, Sum of PFHxS & PFOS 0.0035mg/kg

Brighton Sludge Lagoon 1B 25/8/22: EtFOSAA 0.0116mg/kg, EtFOSE 0.0021mg/kg, FOSA 0.0009mg/kg, MeFOSAA 0.0092mg/kg, MEFOSE 0.0049mg/kg, PFOS 0.0005mg/kg. Sum of PFAS 0.0292mg/kg, Sum of PFAS (WA DER LIST) 0.0005mg/kg, Sum of PFHxS & PFOS 0.0005mg/kg

Brighton Sludge Lagoon 1C 25/8/22: 10:2 FTS 0.0026mg/kg, EtFOSAA 0.0675mg/kg, EtFOSE 0.0144mg/kg, FOSA 0.005mg/kg, MeFOSAA 0.0488mg/kg, MEFOSE 0.0488mg/kg, PFDS 0.0086mg/kg, PFOS 0.0062mg/kg. Sum of PFAS 0.202mg/kg, Sum of PFAS (WA DER LIST) 0.0062mg/kg, Sum of PFHxS & PFOS 0.0062mg/kg

Brighton Sludge Lagoon 2A 25/8/22: EtFOSAA 0.0109mg/kg, MeFOSAA 0.0175mg/kg. Sum of PFAS 0.0284mg/kg

Brighton Sludge Lagoon 2B 25/8/22: EtFOSAA 0.0247mg/kg, FOSA 0.0034mg/kg, MeFOSAA 0.031mg/kg. Sum of PFAS 0.0591mg/kg

Brighton Sludge Lagoon 2C 25/8/22: EtFOSAA 0.0124mg/kg, MeFOSAA 0.0207mg/kg. Sum of PFAS 0.0331mg/kg

Brighton STP Lagoon 2A 26/6/23: EtFOSAA 0.0314mg/kg, FOSA 0.0028mg/kg, MeFOSAA 0.0573mg/kg, MEFOSE 0.0151mg/kg, PFDS 0.0026mg/kg, PFOS 0.0038mg/kg. Sum of PFAS 0.113mg/kg, Sum of PFAS (WA DER LIST) 0.0038mg/kg, Sum of PFHxS & PFOS 0.0038mg/kg

Brighton STP Lagoon 2B 26/6/23: 10:2 FTS 0.0012mg/kg, EtFOSAA 0.012mg/kg, FOSA 0.0012mg/kg, MeFOSAA 0.0217mg/kg, MEFOSE 0.006mg/kg, PFDS 0.002mg/kg, PFOS 0.0016mg/kg, PFTeDA 0.0013mg/kg. Sum of PFAS 0.047mg/kg, Sum of PFAS (WA DER LIST) 0.0016mg/kg, Sum of PFHxS & PFOS 0.0016mg/kg

Brighton STP Lagoon 2C 26/6/23: 10:2 FTS 0.0013mg/kg, EtFOSAA 0.039mg/kg, FOSA 0.0074mg/kg, MeFOSAA 0.0779mg/kg, MEFOSE 0.0104mg/kg, PFDS 0.007mg/kg, PFOA 0.0006mg/kg, PFOS 0.0026mg/kg. Sum of PFAS 0.146mg/kg, Sum of PFAS (WA DER LIST) 0.0032mg/kg, Sum of PFHxS & PFOS 0.0026mg/kg