Site El-Arida WTP El-mahala el-kobra WTP (µg/L) Parameter   Season          CHCl3         BDCM         DBCM         CHBr3          THM         CHCl3         BDCM         DBCM          CHBr3          THM Autumn 40.39 25.80 7.41 0.24 73.83 22.86 21.97 7.35 0.00 52.18 Winter 31.47 24.62 6.80 0.00 62.89 18.56 18.71 6.58 0.00 43.85 Spring 47.83 26.38 4.78 0.00 78.98 26.43 18.79 3.74 0.00 48.96 Summer 63.22 28.01 4.71 0.00 95.94 33.32 22.49 4.29 0.00 60.10

Table 1: THM results in El-Arida and El-mahala el-kobra WTPs.