This research is intended to track and monitor the quality of drinking water from microbiological water vending machine in the municipal districts watthana Nakhon district SA kaeo province, watthana Nakhon. Number of 37 Cabinet between the months of June through February, 2558 2559 from examining the appearance and location of water vending machine. Found water vending machine in a ready to use. There are some water outlet area cover the Cabinet found Moss stains around the water supply channels, some stains, dust the Cabinet found the island. Water vending machine remote installation mostly from trash and sewage are in that there is no sunlight to shade. Fresh market stores located in front of the dorm, and from the physical characteristics of the audit found that drinking water clean and transparent, no sediment and smell. Chemical characteristics measured pH values from samples of drinking water with a value from the sample by 7.57 5.32-18 drinking water from water vending machine page merit is dormitory with lowest value is 5.32, and drinking water samples from 26 drinking water machine behind the WAT Nakhon Tham laundry shop side has a value of Reinhardt.Is a string, and biological characteristics, 7.57 found that samples of drinking water, the number of 36 cabinet not found coliform bacteria in drinking water but found a sample of drinking water from a drinking water dispenser 34 female dorm Burapha University campus in SA? E.coli is found equal to 3 ml/100 MPN in drinking water samples, so as a preliminary to the safety of drinking water machine sold in municipal districts watthana Nakhon district SA kaeo province, watthana Nakhon, according to the water quality standards for consumption by the Ministry of health.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)