NEW LABORATORY UPDATES: Updates to TCEQ Fields of Accreditation (FoA) On January 1, 2025, TCEQ added the following to our FoA: Method Analyte(s): TNI code/CAS Number Matrix MRL (ng/L)* Tecta EC/TC TNI codes: 60033354 (Rev. 1.0) 60033365 (Rev. 2.0) Total Coliforms and Escherichia coli (P/A) […]