Figure 3. Copper concentration levels at the different study sites

From

A Quick Reference on the Water Quality at Adventist University of the Philippines

Carl Jim Nogra, Csir Rhenrick Lila, Keziah Arle Reyes, Lorcelie B. Taclan, Orlex Yllano, Johnny Guyo

American Journal of Water Resources. 2015, 3(2), 27-31 doi:10.12691/ajwr-3-2-1