The Texas Commission on Environmental Quality (TCEQ) is updating their Fields of Accreditation to include the following, effective January 1, 2025. Laboratories being used to analyze for these will need to be accredited by the TCEQ for these analyses for the analyses to be accepted by the TCEQ:
Method Tecta EC/TC, Total Coliforms and Escherichia coli (P/A), Drinking Water
EPA Method 533, (HFPO-DA) (GenX), Hexaflouropropylene oxide dimer acid, Drinking Water
(PFBS), Perfluorobutane sulfonate, Drinking Water
(PFHxS), Perfluorohexand Solfonate, Drinking Water
(PFNA), Perfluorononanoate, Drinking Water
(PFOS), Perfluorooctanessulfonic Acid, Drinking Water
(PFOA), Perfluorooctanoic Acid, Drinking Water
(PFBS) Perfluorobutane Sulfonate, Drinking Water
(PFHxS), Perfluorohexand Sulfonate, Drinking Water
(PFNA), Perfluorononanoate, Drinking Water
(PFOS), Perfluorooctanessulfonic Acid, Drinking Water
(PFOA), Perfluorooctanoic Acid, Drinking Water
For more information go to: https://www.tceq.texas.gov/agency/qa/env_lab_accreditation.html