This study consists of four purposes: 1) to evaluate the water quality in Sean Saeb canal according to the five parameters (i.e. Biochemical Oxygen Demand (BOD), Dissolved Oxygen (DO), Positive Potential of the Hydrogen Ions (pH), Suspended Solids(SS) ; and Phosphate( PO4 3-), 2) to compare such water quality parameters with the water quality standards in surface water types.3 announced by the National Environment Board No. 8 (1994) , and 3) to compare such water quality parameters with the water quality last year in the same period,4) to investigate the attitude of residents living along the canal toward Saen Saeb canal conservation. The results were as follows:1) the results of this study indicated that the quality of water from Saen Saeb canal attended its mean in reconcile with the corresponding parameters: BOD, DO, pH, SS and PO4 3- as 10.50 mg/l, 2.25 mg/l, 6.25, 25.40 mg/l, and 0.48 mg/l. 2) the figures followed the standard values, excepting those of BOD, DO which were lower than the standards.3) comparison of water quality in the same period last year showed that the average BOD tended to decrease and the average DO increase for SS and PO4 3- Average of not exceeding the standard.4) The attitude of conservation Saen Saeb canal of residents living along the Saen Saeb canal were designated as at a 'good level'.
Sanong Thongpan, Srinakharinwirot University, Thailand
Stream: Natural, Environmental and Health Sciences
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