{"id":850,"date":"2018-11-07T10:57:30","date_gmt":"2018-11-07T03:57:30","guid":{"rendered":"http:\/\/21314.lamdx.vinawebsite.vn\/?page_id=850"},"modified":"2020-09-16T21:18:56","modified_gmt":"2020-09-16T14:18:56","slug":"surface-water-analysis","status":"publish","type":"page","link":"https:\/\/qcvn.com.vn\/en\/surface-water-analysis\/","title":{"rendered":"Surface water analysis"},"content":{"rendered":"<h3><span style=\"font-size: 120%;\">Surface water analysis<\/span><\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\"><strong>1. Surface water?<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">Surface water is the surface water of the earth such as rivers, lakes, swamps, or oceans. Surface water is lost due to evaporation, penetrates into the ground where it becomes groundwater, used by trees in the process of evaporation, used by humans for agriculture, living, industry &#8230; or flows into the sea where it becomes salt water.<\/span><\/p>\n<p><a href=\"https:\/\/qcvn.com.vn\/wp-content\/uploads\/2019\/08\/quan-trac-moi-truong-nuoc-thai-va-nhung-chi-so-can-kiem-soat.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3353\" src=\"https:\/\/qcvn.com.vn\/wp-content\/uploads\/2019\/08\/quan-trac-moi-truong-nuoc-thai-va-nhung-chi-so-can-kiem-soat.jpg\" alt=\"Quan trac moi truong nuoc thai va nhung chi so can kiem soat\" width=\"960\" height=\"640\" srcset=\"https:\/\/qcvn.com.vn\/wp-content\/uploads\/2019\/08\/quan-trac-moi-truong-nuoc-thai-va-nhung-chi-so-can-kiem-soat.jpg 960w, https:\/\/qcvn.com.vn\/wp-content\/uploads\/2019\/08\/quan-trac-moi-truong-nuoc-thai-va-nhung-chi-so-can-kiem-soat-600x400.jpg 600w, https:\/\/qcvn.com.vn\/wp-content\/uploads\/2019\/08\/quan-trac-moi-truong-nuoc-thai-va-nhung-chi-so-can-kiem-soat-768x512.jpg 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\"><strong>2. Features of Surface water analysis<\/strong><\/span><\/p>\n<ul style=\"text-align: justify;\">\n<li><span style=\"font-size: 120%;\">Regular domestic existence of dissolved gas<\/span><\/li>\n<li><span style=\"font-size: 120%;\">Surface water has a large concentration of suspended substances especially in the flow. The suspension is very different, starting from the colloidal particles to the tangible elements that follow the rivers as the flow increases significantly.<\/span><\/li>\n<li><span style=\"font-size: 120%;\">In surface water, there are organic substances of natural origin due to the decomposition of organic matter plants and live animals on the surface of water tanks or in rivers and microorganisms that self-decompose after death. (plants and animals)<\/span><\/li>\n<li><span style=\"font-size: 120%;\">Survival of floating organisms in surface water: Surface water is an important place of residence and development of floating plants (algae) and floating animals. Under certain conditions underwater life can be thrived: Including the development of plants, animals, fish<\/span><\/li>\n<li><span style=\"font-size: 120%;\">Daily changes (temperature difference, sunlight) vary with season, climate change (temperature, ..) and of plants (deciduous). They can happen randomly like rain, thunderstorms, strong pollution. In surface water storage areas, water quality changes from surface to bottom of the reservoir (O2, Fe, Mn, oxidation ability, floating organisms). The content of each element varies depending on the cycle of a year<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\"><strong>3. Why need to analyze surface water quality<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">Water testing is the work to do to find water source problems. As a basis for controlling waste sources into receiving sources, ensuring surface water sources are always suitable for use purposes and at the same time to implement measures to improve and restore water quality and protect and use water appropriately.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\"><strong>4. Indicators in surface water need testing<\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">The criteria in surface water include <strong>36<\/strong> targets according to the National Standard QCVN 08-MT: 2015 \/ BTNMT on surface water quality.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">Limited value of quality parameters for surface water analysis<\/span><\/p>\n<table class=\"responsive\" style=\"height: 984px; width: 98.5455%; border-color: #f2f0f0; border-style: solid;\" border=\"1\">\n<thead>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 65px; width: 5.69697%;\" rowspan=\"3\"><span style=\"font-size: 120%;\"><strong>STT<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 65px; width: 32.7273%;\" rowspan=\"3\"><span style=\"font-size: 120%;\"><strong>Th\u00f4ng s\u1ed1<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 65px; width: 14.1819%;\" rowspan=\"3\"><span style=\"font-size: 120%;\"><strong>\u0110\u01a1n v\u1ecb<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 43.7575%;\" colspan=\"4\"><span style=\"font-size: 120%;\"><strong>Gi\u00e1 tr\u1ecb gi\u1edbi h\u1ea1n<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 21.9394%;\" colspan=\"2\"><span style=\"font-size: 120%;\"><strong>A<\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 21.8182%;\" colspan=\"2\"><span style=\"font-size: 120%;\"><strong>B<\/strong><\/span><\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"text-align: center; height: 23px; width: 13.0909%;\"><span style=\"font-size: 120%;\"><strong>A<sub>1<\/sub><\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 23px; width: 8.84846%;\"><span style=\"font-size: 120%;\"><strong>A<sub>2<\/sub><\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 23px; width: 10.9091%;\"><span style=\"font-size: 120%;\"><strong>B<sub>1<\/sub><\/strong><\/span><\/td>\n<td style=\"text-align: center; height: 23px; width: 10.9091%;\"><span style=\"font-size: 120%;\"><strong>B<sub>2<\/sub><\/strong><\/span><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">1<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">pH<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%;\"><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">6-8,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">6-8,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">5,5-9<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">5,5-9<\/span><\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"text-align: center; height: 23px; width: 5.69697%;\"><span style=\"font-size: 120%;\">2<\/span><\/td>\n<td style=\"height: 23px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">BOD<sub>5<\/sub>\u00a0(20\u00b0C)<\/span><\/td>\n<td style=\"height: 23px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 23px; width: 13.0909%;\"><span style=\"font-size: 120%;\">4<\/span><\/td>\n<td style=\"text-align: center; height: 23px; width: 8.84846%;\"><span style=\"font-size: 120%;\">6<\/span><\/td>\n<td style=\"text-align: center; height: 23px; width: 10.9091%;\"><span style=\"font-size: 120%;\">15<\/span><\/td>\n<td style=\"text-align: center; height: 23px; width: 10.9091%;\"><span style=\"font-size: 120%;\">25<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">3<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">COD<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">10<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">15<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">30<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">50<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">4<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">\u00d4xy h\u00f2a tan (DO)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">\u2265\u00a06<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">\u2265\u00a05<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">\u2265\u00a04<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">\u2265\u00a02<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">5<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">T\u1ed5ng ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng (TSS)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">20<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">30<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">50<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">100<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"text-align: center; height: 26px; width: 5.69697%;\"><span style=\"font-size: 120%;\">6<\/span><\/td>\n<td style=\"height: 26px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Amoni (NH<sub>4<\/sub><sup>+<\/sup>\u00a0t\u00ednh theo N)<\/span><\/td>\n<td style=\"height: 26px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,3<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,3<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,9<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,9<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 5.69697%;\"><span style=\"font-size: 120%;\">7<\/span><\/td>\n<td style=\"height: 24px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Clorua (Cl<sup>&#8211;<\/sup>)<\/span><\/td>\n<td style=\"height: 24px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 13.0909%;\"><span style=\"font-size: 120%;\">250<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 8.84846%;\"><span style=\"font-size: 120%;\">350<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 10.9091%;\"><span style=\"font-size: 120%;\">350<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 10.9091%;\"><span style=\"font-size: 120%;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 5.69697%;\"><span style=\"font-size: 120%;\">8<\/span><\/td>\n<td style=\"height: 24px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Florua (F<sup>&#8211;<\/sup>)<\/span><\/td>\n<td style=\"height: 24px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 13.0909%;\"><span style=\"font-size: 120%;\">1<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 8.84846%;\"><span style=\"font-size: 120%;\">1,5<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1,5<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 10.9091%;\"><span style=\"font-size: 120%;\">2<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"text-align: center; height: 26px; width: 5.69697%;\"><span style=\"font-size: 120%;\">9<\/span><\/td>\n<td style=\"height: 26px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Nitrit (NO<sup>&#8211;<\/sup><sub>2<\/sub>\u00a0t\u00ednh theo N)<\/span><\/td>\n<td style=\"height: 26px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"text-align: center; height: 26px; width: 5.69697%;\"><span style=\"font-size: 120%;\">10<\/span><\/td>\n<td style=\"height: 26px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Nitrat (NO<sup>&#8211;<\/sup><sub>3<\/sub>\u00a0t\u00ednh theo N)<\/span><\/td>\n<td style=\"height: 26px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 13.0909%;\"><span style=\"font-size: 120%;\">2<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 8.84846%;\"><span style=\"font-size: 120%;\">5<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 10.9091%;\"><span style=\"font-size: 120%;\">10<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 10.9091%;\"><span style=\"font-size: 120%;\">15<\/span><\/td>\n<\/tr>\n<tr style=\"height: 26px;\">\n<td style=\"text-align: center; height: 26px; width: 5.69697%;\"><span style=\"font-size: 120%;\">11<\/span><\/td>\n<td style=\"height: 26px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Phosphat (PO<sub>4<\/sub><sup>3-<\/sup>\u00a0t\u00ednh theo P)<\/span><\/td>\n<td style=\"height: 26px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,2<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,3<\/span><\/td>\n<td style=\"text-align: center; height: 26px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,5<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 5.69697%;\"><span style=\"font-size: 120%;\">12<\/span><\/td>\n<td style=\"height: 24px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Xyanua (CN<sup>&#8211;<\/sup>)<\/span><\/td>\n<td style=\"height: 24px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">13<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Asen (As)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,01<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">14<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Cadimi (Cd)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,005<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,005<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,01<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,01<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">15<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Ch\u00ec (Pb)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"text-align: center; height: 24px; width: 5.69697%;\"><span style=\"font-size: 120%;\">16<\/span><\/td>\n<td style=\"height: 24px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Crom VI (Cr<sup>6+<\/sup>)<\/span><\/td>\n<td style=\"height: 24px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,01<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,04<\/span><\/td>\n<td style=\"text-align: center; height: 24px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">17<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">T\u1ed5ng Crom<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,05<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">18<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">\u0110\u1ed3ng (Cu)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,2<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">19<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">K\u1ebdm (Zn)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">2<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">20<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Niken (Ni)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">21<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Mangan (Mn)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,2<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">22<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Th\u1ee7y ng\u00e2n (Hg)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,001<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,001<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,001<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,002<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">23<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">S\u1eaft (Fe)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">2<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">24<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,2<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,4<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,5<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">25<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Aldrin<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">\u00b5g\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">26<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Benzene hexachloride (BHC)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">\u00b5g\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">27<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Dieldrin<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">\u00b5g\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 44px;\">\n<td style=\"text-align: center; height: 44px; width: 5.69697%;\"><span style=\"font-size: 120%;\">28<\/span><\/td>\n<td style=\"height: 44px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">T\u1ed5ng Dichloro diphenyl trichloroethane (DDT<sub>S<\/sub>)<\/span><\/td>\n<td style=\"height: 44px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">\u00b5g\/l<\/span><\/td>\n<td style=\"text-align: center; height: 44px; width: 13.0909%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<td style=\"text-align: center; height: 44px; width: 8.84846%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<td style=\"text-align: center; height: 44px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<td style=\"text-align: center; height: 44px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">29<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Heptachlor &amp; Heptachlorepoxide<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">\u00b5g\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,2<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,2<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,2<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,2<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">30<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">T\u1ed5ng Phenol<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,005<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,005<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,01<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,02<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">31<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">T\u1ed5ng d\u1ea7u, m\u1ee1 (oils &amp; grease)<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,3<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,5<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 85px;\">\n<td style=\"text-align: center; height: 85px; width: 5.69697%;\"><span style=\"font-size: 120%;\">32<\/span><\/td>\n<td style=\"height: 85px; width: 32.7273%;\">\n<p style=\"padding-left: 30px;\"><span style=\"font-size: 120%;\">T\u1ed5ng c\u00e1c bon h\u1eefu c\u01a1<\/span><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"font-size: 120%;\">(Total Organic Carbon, TOC)<\/span><\/p>\n<\/td>\n<td style=\"height: 85px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">mg\/l<\/span><\/td>\n<td style=\"text-align: center; height: 85px; width: 13.0909%;\"><span style=\"font-size: 120%;\">4<\/span><\/td>\n<td style=\"text-align: center; height: 85px; width: 8.84846%;\"><span style=\"font-size: 120%;\">&#8211;<\/span><\/td>\n<td style=\"text-align: center; height: 85px; width: 10.9091%;\"><span style=\"font-size: 120%;\">&#8211;<\/span><\/td>\n<td style=\"text-align: center; height: 85px; width: 10.9091%;\"><span style=\"font-size: 120%;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">33<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">T\u1ed5ng ho\u1ea1t \u0111\u1ed9 ph\u00f3ng x\u1ea1\u00a0\u03b1<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Bq\/I<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">0,1<\/span><\/td>\n<\/tr>\n<tr style=\"height: 21px;\">\n<td style=\"text-align: center; height: 21px; width: 5.69697%;\"><span style=\"font-size: 120%;\">34<\/span><\/td>\n<td style=\"height: 21px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">T\u1ed5ng ho\u1ea1t \u0111\u1ed9 ph\u00f3ng x\u1ea1\u00a0\u03b2<\/span><\/td>\n<td style=\"height: 21px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Bq\/I<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 13.0909%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 8.84846%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<td style=\"text-align: center; height: 21px; width: 10.9091%;\"><span style=\"font-size: 120%;\">1,0<\/span><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"text-align: center; height: 42px; width: 5.69697%;\"><span style=\"font-size: 120%;\">35<\/span><\/td>\n<td style=\"height: 42px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">Coliform<\/span><\/td>\n<td style=\"height: 42px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">MPN ho\u1eb7c<\/span><br \/>\n<span style=\"font-size: 120%;\">CFU \/100 ml<\/span><\/td>\n<td style=\"text-align: center; height: 42px; width: 13.0909%;\"><span style=\"font-size: 120%;\">2500<\/span><\/td>\n<td style=\"text-align: center; height: 42px; width: 8.84846%;\"><span style=\"font-size: 120%;\">5000<\/span><\/td>\n<td style=\"text-align: center; height: 42px; width: 10.9091%;\"><span style=\"font-size: 120%;\">7500<\/span><\/td>\n<td style=\"text-align: center; height: 42px; width: 10.9091%;\"><span style=\"font-size: 120%;\">10000<\/span><\/td>\n<\/tr>\n<tr style=\"height: 42px;\">\n<td style=\"text-align: center; height: 42px; width: 5.69697%;\"><span style=\"font-size: 120%;\">36<\/span><\/td>\n<td style=\"height: 42px; width: 32.7273%; padding-left: 30px;\"><span style=\"font-size: 120%;\">E.coli<\/span><\/td>\n<td style=\"height: 42px; width: 14.1819%; padding-left: 30px;\"><span style=\"font-size: 120%;\">MPN ho\u1eb7c<\/span><br \/>\n<span style=\"font-size: 120%;\">CFU \/100 ml<\/span><\/td>\n<td style=\"text-align: center; height: 42px; width: 13.0909%;\"><span style=\"font-size: 120%;\">20<\/span><\/td>\n<td style=\"text-align: center; height: 42px; width: 8.84846%;\"><span style=\"font-size: 120%;\">50<\/span><\/td>\n<td style=\"text-align: center; height: 42px; width: 10.9091%;\"><span style=\"font-size: 120%;\">100<\/span><\/td>\n<td style=\"text-align: center; height: 42px; width: 10.9091%;\"><span style=\"font-size: 120%;\">200<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\"><strong><em>Note:<\/em><\/strong><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">The classification of A1, A2, B1 and B2 for surface water sources to assess and control water quality, serving different purposes of water use, are arranged according to the level of descending quality..<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">A1- Used for domestic water supply (after normal treatment), conservation of aquatic plants and animals and other purposes such as types A2, B1 and B2.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">A2 &#8211; For drinking water purposes, it must apply appropriate treatment technology or purposes such as types B1 and B2.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">B1- For irrigation, irrigation or other uses requiring similar water quality or purposes such as B2.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 120%;\">B2 &#8211; Water transport and other purposes with low quality water requirements.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Surface water analysis 1. Surface water? Surface water is the surface water of the earth such as rivers, lakes, swamps, or oceans. Surface water is lost due to evaporation, penetrates into the ground where it becomes groundwater, used by trees in the process of evaporation, used by humans for agriculture, living, industry &#8230; or flows&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2049,"parent":838,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-dichvu.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-850","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Surface water analysisaccording to the National Standard QCVN08:2015<\/title>\n<meta name=\"description\" content=\"Surface water analysis finding problems of water to control the sources of waste into receiving sources, ensuring that surface water is always suitable.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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