This study has three sources of water quality from the water surface, as follows: from the mooring point area of the item. Surface water from the river and tap water (head) between 4-2558 November 18, with the factor checks divided into 2 groups: Group 1: surface water from water and boats where the item surface from the Mekong River. The parameters are checked: this is acid-soluble fats and oils, alkaline, oxygen, ammonium nitrate-nitrogen temperature bacteria and coliform bacteria type 21 and type of coliform group, Calgary, 2: water supply (head) Set additional parameters as a part of a solid color, and quantity of soluble chemicals in the water (Cl-, SO42-, Cl , Fe, Mn, Cu, As, Zn, Pb, F-, NO3-, Cd, Cr, Hg) Study results showed that surface water quality in the two sources with different parameter values cannot exceed the value of the above standard of surface water sources by the national environment Board, vol. 8 (2527) variance of pH value and the quantity of water to prepare great outer surface is in the range 0.005 0.05 and accordingly.PAP part quantity bacteria and coliform bacteria types, the type 21 and found coliform culture variance deviation from a very average to 325 MPN for tap water (head) There are various parameter values above do not exceed the standard value of water consumption (water supply), except for the quantity of fluoride, which detected the excess from 1.69 Ku l/100, where a standard value is 0.7-1.0 l/100 Ku. However, surface water quality, both sources are appropriate for the consumer to consume and process further.
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