According to the monitoring report of the Commission of Science, Technology and Environment of the National Assembly, the rate of industrial parks have wastewater treatment systems are concentrated in some areas is very low, which is only 15-20 %, such as Ba Ria - Vung Tau, Vinh Phuc. Some have built industrial park wastewater treatment system focused but hardly operate as to reduce costs. To date, 60 new industrial zones operate wastewater treatment plants focus (accounting for 42% of industrial parks operated) and 20 industrial parks are built sewage treatment station.
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