QCVN 62-MT:2016/BTNMT Facebook twitter google linkedin National technical regulation on the effluent of livestock QCVN-62-MT-2016-BTNMT-nuoc-thai-chan-nuoi.pdf related article QCVN 14:2008-BTNMT QCVN 01-MT:2015-BTNMT QCVN 11-MT:2015-BTNMT (Replace QCVN 11:2008-BTNMT)