{"id":2399,"date":"2018-11-07T11:23:11","date_gmt":"2018-11-07T04:23:11","guid":{"rendered":"https:\/\/qcvn.com.vn\/?page_id=2399"},"modified":"2020-02-28T15:20:18","modified_gmt":"2020-02-28T08:20:18","slug":"groundwater-analysis","status":"publish","type":"page","link":"https:\/\/qcvn.com.vn\/en\/service\/water-analysis\/analysis-of-underground-water\/","title":{"rendered":"Groundwater analysis"},"content":{"rendered":"

Groundwater analysis<\/span><\/h3>\n

Groundwater analysis – Groundwater is the main source of drinking water in many countries and populated areas in the world.<\/span><\/p>\n

Therefore, groundwater pollution has a great influence on the quality of human life in the region.<\/span><\/p>\n

The sampling of groundwater and groundwater analysis, groundwater analysis with typical criteria of groundwater sources to assess the current status of water, pollution coefficient will help us find the cause soon and give appropriate handling measures.<\/span><\/p>\n

\"Kh\u1eed<\/a>
L\u1ea5y m\u1eabu n\u01b0\u1edbc Gi\u1ebfng t\u1ea1i Trung T\u00e2m Y T\u1ebf D\u0129 An B\u00ecnh D\u01b0\u01a1ng<\/span><\/figcaption><\/figure>\n

QCVN performs groundwater analysis, surface water analysis, and underground water analysis according to National Technical Regulation QCVN 09: 2015 \/ BTNMT National technical regulation on underground water quality. (According to the latest promulgated regulations of Vietnamese law).<\/span><\/p>\n

According to the provisions of Vietnam’s environmental protection law, the monitoring of groundwater environment, groundwater analysis complies with the Regulation on groundwater quality: National technical regulation QCVN 09: 2015 \/ BTNMT is the norm. regulate the limit value of underground water quality parameters.<\/span><\/p>\n

This regulation is applied to assess and monitor the quality of underground water sources, as a basis for orienting for different purposes of water use. Limit values of groundwater quality \/ underground water quality parameters are specified in the following Table:<\/span><\/p>\n

The quality indicators for assessment of groundwater<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
No.<\/strong><\/span><\/td>\nParameter<\/strong><\/span><\/td>\nUnit<\/strong><\/span><\/td>\nValue<\/strong><\/span><\/td>\n<\/tr>\n<\/thead>\n
1<\/span><\/td>\npH<\/span><\/td>\n–<\/span><\/td>\n5,5 – 8,5<\/span><\/td>\n<\/tr>\n
2<\/span><\/td>\nCh\u1ec9 s\u1ed1 pemanganat<\/span><\/td>\nmg\/l<\/span><\/td>\n4<\/span><\/td>\n<\/tr>\n
3<\/span><\/td>\nT\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan (TDS)<\/span><\/td>\nmg\/l<\/span><\/td>\n1500<\/span><\/td>\n<\/tr>\n
4<\/span><\/td>\n\u0110\u1ed9 c\u1ee9ng t\u1ed5ng s\u1ed1\u00a0(t\u00ednh theo CaCO3<\/sub>)<\/span><\/td>\nmg\/l<\/span><\/td>\n500<\/span><\/td>\n<\/tr>\n
5<\/span><\/td>\nAm\u00f4ni (NH4<\/sub>+<\/sup>\u00a0t\u00ednh theo N)<\/span><\/td>\nmg\/l<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
6<\/span><\/td>\nNitrit (NO–<\/sup>2<\/sub>\u00a0t\u00ednh theo N)<\/span><\/td>\nmg\/l<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
7<\/span><\/td>\nNitrat (NO–<\/sup>3<\/sub>\u00a0t\u00ednh theo N)<\/span><\/td>\nmg\/l<\/span><\/td>\n15<\/span><\/td>\n<\/tr>\n
8<\/span><\/td>\nClorua (Cl–<\/sup>)<\/span><\/td>\nmg\/l<\/span><\/td>\n250<\/span><\/td>\n<\/tr>\n
9<\/span><\/td>\nFlorua (F–<\/sup>)<\/span><\/td>\nmg\/l<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
10<\/span><\/td>\nSulfat (SO4<\/sub>2-<\/sup>)<\/span><\/td>\nmg\/l<\/span><\/td>\n400<\/span><\/td>\n<\/tr>\n
11<\/span><\/td>\nXyanua (CN–<\/sup>)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,01<\/span><\/td>\n<\/tr>\n
12<\/span><\/td>\nAsen (As)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,05<\/span><\/td>\n<\/tr>\n
13<\/span><\/td>\nCadimi (Cd)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,005<\/span><\/td>\n<\/tr>\n
14<\/span><\/td>\nCh\u00ec (Pb)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,01<\/span><\/td>\n<\/tr>\n
15<\/span><\/td>\nCrom VI (Cr6+<\/sup>)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,05<\/span><\/td>\n<\/tr>\n
16<\/span><\/td>\n\u0110\u1ed3ng (Cu)<\/span><\/td>\nmg\/l<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
17<\/span><\/td>\nK\u1ebdm (Zn)<\/span><\/td>\nmg\/l<\/span><\/td>\n3<\/span><\/td>\n<\/tr>\n
18<\/span><\/td>\nNiken (Ni)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,02<\/span><\/td>\n<\/tr>\n
19<\/span><\/td>\nMangan (Mn)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,5<\/span><\/td>\n<\/tr>\n
20<\/span><\/td>\nTh\u1ee7y ng\u00e2n (Hg)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,001<\/span><\/td>\n<\/tr>\n
21<\/span><\/td>\nS\u1eaft (Fe)<\/span><\/td>\nmg\/l<\/span><\/td>\n5<\/span><\/td>\n<\/tr>\n
22<\/span><\/td>\nSelen (Se)<\/span><\/td>\nmg\/l<\/span><\/td>\n0,01<\/span><\/td>\n<\/tr>\n
23<\/span><\/td>\nAldrin<\/span><\/td>\n\u00b5g\/I<\/span><\/td>\n0,1<\/span><\/td>\n<\/tr>\n
24<\/span><\/td>\nBenzene hexachloride (BHC)<\/span><\/td>\n\u00b5g\/l<\/span><\/td>\n0,02<\/span><\/td>\n<\/tr>\n
25<\/span><\/td>\nDieldrin<\/span><\/td>\n\u00b5g\/l<\/span><\/td>\n0,1<\/span><\/td>\n<\/tr>\n
26<\/span><\/td>\nT\u1ed5ng Dichloro diphenyl trichloroethane (DDTs<\/sub>)<\/span><\/td>\n\u00b5g\/I<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
27<\/span><\/td>\nHeptachlor & Heptachlorepoxide<\/span><\/td>\n\u00b5g\/l<\/span><\/td>\n0,2<\/span><\/td>\n<\/tr>\n
28<\/span><\/td>\nT\u1ed5ng Phenol<\/span><\/td>\nmg\/l<\/span><\/td>\n0,001<\/span><\/td>\n<\/tr>\n
29<\/span><\/td>\nT\u1ed5ng ho\u1ea1t \u0111\u1ed9 ph\u00f3ng x\u1ea1\u00a0\u03b1<\/span><\/td>\nBq\/I<\/span><\/td>\n0,1<\/span><\/td>\n<\/tr>\n
30<\/span><\/td>\nT\u1ed5ng ho\u1ea1t \u0111\u1ed9 ph\u00f3ng x\u1ea1\u00a0\u03b2<\/span><\/td>\nBq\/I<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
31<\/span><\/td>\nColiform<\/span><\/td>\nMPN ho\u1eb7c CFU\/100 ml<\/span><\/td>\n3<\/span><\/td>\n<\/tr>\n
32<\/span><\/td>\nE.Coli<\/span><\/td>\nMPN ho\u1eb7c CFU\/100 ml<\/span><\/td>\nKh\u00f4ng ph\u00e1t hi\u1ec7n th\u1ea5y<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The most accurate criteria for groundwater analysis<\/span><\/h3>\n

Based on these indicators assess groundwater quality on results shows the status groundwater quality to use for the right purposes and ensure issues improve the environment, assess the causes of water pollution .<\/span><\/p>\n

QCVN is a unit that is granted the certificate of eligibility for environmental monitoring (VIMCERTS 197) in accordance with Decree 27\/2013 ND-CP, QCVN is eligible to perform underground water sampling and groundwater analysis services. , analysis of underground water to serve the inspection of domestic water sources, assessment of the status of underground water sources and the work related to dossiers of application for underground water exploitation permits in accordance with Circular 27\/2014 \/ TT-BTNMT on registration of underground water exploitation, form of dossier for grant, extension, adjustment and re-grant of water resources permit, issued by the Minister of Natural Resources and Environment.<\/span><\/p>\n

Groundwater sampling procedure \/ groundwater sampling method (please contact Vietnam Environment Monitoring Center 0961 85 85 89 for detailed instructions)<\/span><\/p>\n

Refer to some groundwater quality assessment criteria:<\/span><\/p>\n

    \n
  • Vietnam standard TCVN 6830:2016 (ISO 9698:2010) on Water Quality – Determination of tritium activity concentration – Liquid flashing counting method<\/span><\/li>\n
  • Vietnam standard TCVN 6185:2015 (ISO 7887:2011) on Water Quality – Check and determine color temperature<\/span><\/li>\n
  • Vietnam standard TCVN 6831-1:2010 (ISO 11348-1:2007) on Water Quality – Determining the inhibitory effect of water samples on the luminescence of Vibrio Fischeri (luminescent bacteria test) – Part 1: Method of using newly cultured bacteria<\/span><\/li>\n
  • Vietnam standard 64TCN 118:2000 on Water Quality – Methods of determining cyanide content in industrial wastewater<\/span><\/li>\n
  • National standards TCVN 6825:2001 (ISO 11734 : 1995) on Water Quality – Evaluation of “complete” anaerobic biodegradation of organic compounds in biodegradable sludge – Method of measuring biogas production<\/span><\/li>\n<\/ul>\n

    \n","protected":false},"excerpt":{"rendered":"

    Groundwater analysis Groundwater analysis – Groundwater is the main source of drinking water in many countries and populated areas in the world. Therefore, groundwater pollution has a great influence on the quality of human life in the region. The sampling of groundwater and groundwater analysis, groundwater analysis with typical criteria of groundwater sources to assess…<\/p>\n","protected":false},"author":1,"featured_media":1930,"parent":838,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-dichvu.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2399","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nGroundwater analysis | documented exploitation of underground water<\/title>\n<meta name=\"description\" content=\"Groundwater analysis to assess the status of groundwater, indicate the pollution coefficient for appropriate treatment. documented exploitation of..\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/qcvn.com.vn\/en\/service\/water-analysis\/analysis-of-underground-water\/\" \/>\n<meta property=\"og:locale\" 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