Bacteriological examination of drinking water supplies in Thrace


BEN. ΑΛΜΠΑΛΑΣ
Θ. ΝΑΘΑΝΑΗΛ
Abstract

Four hundred and forty two samples of drinking water were taken in the region of Thrace from, cities, 4 towns and 107 vilages. They were examined in situ for total coliforms and fecal coliforms, by the MPN procedure of three tubes, and for enteric pathogens (salmonellae-shigellae). One hundred and sixty two samples (36.6%) were found to contain more than 3 colonies of coliforms per 100 ml. No fecal coliforms and enteric pathogens were isolated. The need of a regular and correct chlorination of all water supplies for human use is stressed

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