Analisis Kandungan Logam Berat Pada Air Sungai Batang Kumu Disekitar Perumaha…

A research on the analysis of heavy metals in the river water rod Kumu on housing and neighborhood residents PT. Hutahaean Rokan Hulu based resistivity values. This process begins with taking 10 samples of which five samples of river water and well water samples around five PT.Hutahaean region, then determined the coordinates of the sampling point, the value of conductivity and resistivity valu…