survey of public health importance - Part I Chemical quality of drinking water of some industrial areas of Pakistan [Wah' havelian' sanjwal' taxila and kamra]

Sixty one samples of drinking water from 36 water supplies of 5 Industrial Areas located in Rawalpindi, Attock and in Hazara Districts have been collected and analysed in the Water Quality Control Laboratory of the AFM College Rawalpindi. 33% of the samples were unfit for human consumption due to the presence of nitrites which indicate recent oganic pollution. The water was otherwise chemically satisfactory