guidelines for drinking - water quality

... Interventions to im- prove the quality of drinking- water pro- vide significant benefits to health. WHO Library Cataloguing-in-Publication Data World Health Organization. Guidelines for drinking- water quality ... methyl tertiary-butyl ether MX 3-chloro-4-dichloromethyl-5-hydroxy-2(5H)-furanone NAS National Academy of Sciences (USA) NOAEL no-observed-adverse-effect level NOEL no-o...

Ngày tải lên: 27/05/2014, 02:48

... Mitra for monitoring water quality Gram Mitra for monitoring water qualityGram Mitra for monitoring water quality Gram Mitra for monitoring water quality To strengthen the village level water ... ……………………………………………………………………………………………………… ……………………………………………………………………………………………………………………………………………………………………………………………………………… ……………………………………………………………………………………………………… Water en...

Ngày tải lên: 15/03/2014, 16:20

... - - 2.86 0.012 0.32 0.008 0.35 66 24.56 0.372 - - 2.61 0.015 0.11 0.009 0.55 53 30.41 0.574 - - 1.34 0.021 0.43 0.011 0.65 34 23.32 0.677 - - 1.86 0.028 0.08 0.012 1.00 23 23.43 1.024 - - ... Hanoi, Vietnam Tel: +8 4-4 -8 587964; Fax: +8 4-4 -8 588152 E-mail: vietph@hn.vnn.vn Abstract Severe and widespread contamination by arsenic in groundwate...

Ngày tải lên: 15/03/2014, 23:49

... S TREET , S UITE 1752 R OSSLYN , V IRGINIA 22209 703 84 1-3 200 703 84 1-5 900 FAX WWW . NEMA . ORG Guidelines for Handling Water- damaged Electrical Equipment NOTICE AND DISCLAIMER – ... current transformers  Low voltage switchgear  Medium voltage switchgear Transformers Exposure of transformers to water can cause corrosion and insulation damage to th...

Ngày tải lên: 24/03/2014, 02:20

... Annexure - 2 Water Quality Monitoring Protocol 1 Introduction The main objectives for water quality monitoring for Surface and Groundwater Agencies under the HP were ... for domestic or irrigation water supply, − Tube wells fitted with a hand pump or a power-driven pump for domestic water supply or irrigation − Piezometers, purpose-built for recording of wa...

Ngày tải lên: 06/03/2014, 16:20

... Organization guidelines concerned with water quality Guidelines for Drinking- water Quality First published in 1984 in three volumes to replace earlier international standards. The guidelines ... requirements Drinking- water quality Safe use of wastewater and excreta in agriculture and aquaculture Safe recreational water environments Value stipulated...

Ngày tải lên: 28/03/2014, 23:20

... - Water quality zoning of rivers and lakes based on the obtained models and analytical data of water quality. - Preparation of digital water quality zoning maps. - Study and proposal of water ... clearly determine: - Which zones (or sections) in the river basin meeting requirements of water quality to be used for domestic water supply (water intaken for...

Ngày tải lên: 25/04/2013, 08:23

... concentrated oxygen water is shown in Fig.1. To improve the contact efficiency between gas (oxygen) and water, pressure gas is applied to contact the water film. The oxygen -water mixture is ejected ... ater oxygen + water oxygen ejector Fig.1 Experimental apparatus of high concentrated oxygen dissolver NOVEL RESTORATION TECHNOLOGY FOR PUZRIFICATION OF WATER QUALITY IN...

Ngày tải lên: 05/09/2013, 08:40

... prevent water pollution, re-use wastewater or water that contains waste rather than disposing of it. • STEP 3: If you cannot re-use the water, treat the wastewater so that you can re-use it before ... Collaboration forum and co-ordination • Technical support and appropriate technology • Best practice guidelines • Improved stakeholder participation in decision-making Best Practi...

Ngày tải lên: 05/09/2013, 09:08