Key Responsibilities:Collect and test influent and treated water samples.Analyze parameters like pH, TDS, TSS, COD, BOD, Oil & Grease, etc.Prepare and maintain chemical solutions for treatment.Adjust chemical dosing as per test results.Maintain laboratory equipment and calibration records.Maintain daily analysis reports and log books.Ensure treated water meets CPCB/SPCB norms.Coordinate with ETP Operator for process improvement.Handle sludge testing and disposal documentation.Support during Pollution Control Board inspections.