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MICROBIAL AND PHYSIOCHEMCAL CHARACTERISTICS OF POTABLE WATER IN RAMADI CITY | ||
| Journal of Research Diyala humanity | ||
| Article 1, Volume 0, Issue 37, 2017, Pages 226-245 | ||
| Authors | ||
| Najdat B.Mahdi; Hameed Sh.Abid; ; | ||
| Abstract | ||
| Seventy eight sample of potable water from eight residential places in ramadi city , were examined for the presence of aerobic bacteria ,coliform, as well as to level of chlorine residues , PH and temperature . It was found the following : 1- concentrations of chlorine residues were varied from (0.0 - 0.1) ppm. 2- pH values were within a range of (6.9 -7.9) 3- temperature was between (14.1 -18.1) C . 4- Plates count of aerobic bacteria was observed in 36 sample (46%) containing less than 50 CFU/1 ml. while 42 sample (54%) containing more than 50 CFU/1 ml. However ,by the membrane filter (MF) procedure ,the number of aerobic bacteria in 39 sample (50%) were more than 5 CFU/1 ml while 39 sample (50%) contained less than 5 CFU/100ml were regarded within the acceptable standard limits . Coliform tests showed that 63 sample (81%)were negative for presumptive test and confirmed test, while 15 sample (19%) were positive. From these result, it is concluded that is water is not suitable for human consumption. It is advisable to increase the chlorine conc. to obtain (0.2-0.5) ppm as residual chlorine. | ||
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