Measuring results up North with TKN 50.8 mg per liter, and the South is 59.0 mg per liter. The standard, which governs the disposal of drainage from a building type b defined as 35 mg/l. This is an organic nitrogen compounds of TKN their proteins, which are often found to have a high value in the wastewater is contaminated scraps or waste containing the substance they are proteins. That has been notified to Nakhon SI thammarat airport checks and improve the performance of the following waste treatment systems creative? Summary analysis of the quality of the show, leaving the table more 4.3-5 (laboratory analysis results from the information shown in the Appendix 3-3)
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