According to the act from 7th of June 2001 regarding mass water supply and mass wastewater disposal (Dz. U. z 2019 r., poz. 1437 ze zm.), analysis of collected drinking water samples can be performed (..)
(...) only by State Sanitary Inspection laboratories or other laboratories which have documented quality assurance system regarding analysis of water samples and are approved by State Sanitary Inspection.
Our laboratories have employed quality assurance systems in accordance with EN ISO/IEC 17025:2018-02 and are approved by State Sanitary Inspection in Cracow and Poznan respectively (approvals provided below), which allows us to perform analysis of drinking water in line of law regulations.