Figure 2. Free chlorine concentration at the nine sampling points 2010, 2011, 2012 and 2013

From

Disinfection of Intermitted Water Supply System and Its Health Impact: Um Al Nasser Village as a Case Study

Hanafi Sadallah, Husam Al-Najar

World Journal of Environmental Engineering. 2015, 3(2), 32-39 doi:10.12691/wjee-3-2-2