Pemetaan Tingkat Pencemaran Air Sungai Siak Sebelum Dan Sesudah Melalui Siste…

Mapping of the level of pollution of Siak river has been carried out before and after the filtration system with 2 times of filtering based on physical parameters using the experimental method. This research was conducted by measuring the conductivity value, pH, and calculating the TDS value. The sampel used were water taken at 30 points above the surface of the Siak River in area A with coordi…