QCVN 28:2010-BTNMT Facebook twitter google linkedin National technical regulation on health care wastewater QCVN28-2010-BTNMT-Quy chuẩn kỹ thuật quốc gia về NT y tế.pdf related article QCVN 14:2008-BTNMT QCVN 01-MT:2015-BTNMT QCVN 11-MT:2015-BTNMT (Replace QCVN 11:2008-BTNMT)