Receive and analyze environmental parameters on wastewater client samples (pH, COD, ammonia, turbidity, color, TSS, TDS, and sulfide); Research on wastewater by biological treatment using bacterial products of company; Operate instruments such as a portable UV-Vis spectrophotometer, pH-meter, TDS-meter, turbidimeter, COD reactor and microscope; Make reports containing tables, charts, developments, observations and conclusions of research results in Microsoft Office Excel.

Perform water sampling on WTP periodically to get analysis; Perform analysis of raw water parameters periodically such as pH water and water turbidity using pH-meter and turbidimeter; Perform jar-test as a dose control of coagulant for water treatment plant; and Writes daily reports based on analysis results.