Results for water polution act india UsHotSearchs - Great Document 4 doc

... 11 0- 120 5 0-3 0 or 12 0- 130 3 0-1 0 or 13 0- 150 <10 or >150 DO(mg l -1 ) >7 7-6 6 -4 4- 3 <3 COD-Mn (mg O 2 l -1 ) <3 3-1 0 1 0-2 0 2 0-3 0 >30 COD-Cr (mg O 2 l -1 ) - - - - - ... 1. 6-3 .2 3. 2-8 2 >82 Mercury (µg l -1 ) 4 <0.003 0.00 3-0 .007 0.00 7-0 .012 0.01 2-2 .4 >2 .4 Nickel...

Ngày tải lên: 19/06/2014, 16:20

... (mg l -1 ) - - 10 - Total P (mg l -1 ) 1 - 0.1 - Faecal coliform (No. per 100 ml) - - - <1,000 Nematode eggs per litre - - - <1 SAR - - - <5 TDS (salts) (mg l - 1 ) - - - <500 2 ... na 5 0-8 0 2 0 -4 0 House connection 10 0-1 50 5 0-1 25 4 0-8 0 Multiple connection 15 0-2 50 10 0-2 50 8...

Ngày tải lên: 19/06/2014, 16:20

... <50 l cap -1 d -1 5 0-1 00 l cap -1 d -1 >100 l cap -1 d -1 Sewage production <5 m 3 ha -1 d -1 5-2 0 m 3 ha -1 d -1 >20 m 3 ha -1 d -1 Treatment options Dry on-site sanitation ... Trickling filter Activated sludge BOD removal (%) 1 8 0-9 0 9 0-9 8 Kjeldahl-N removal (%) 6 0-8 5 8 0-9 5 Total N...

Ngày tải lên: 19/06/2014, 16:20

... lagoon 3 1-2 1-3 (G) 1-2 0-1 Oxidation ditch 2 1-2 0-2 1-2 0-1 Disinfection 4 2-6 0-1 0 -4 0-3 Waste stabilisation ponds 5 1-6 (G) 1-3 (G) 1 -4 1 -4 Effluent storage reservoirs 6 1-6 (G) 1-3 (G) ... Bacteria Helminths Viruses Cysts Primary sedimentation Plain 0-1 0-2 0-1 0-1 Chemically assisted 1 1-2 1-3 (G) 0-1 0-1 Activated slud...

Ngày tải lên: 19/06/2014, 16:20

... been used for many years. End-of-pipe controls have been used mainly for discharges to water and process based controls for discharges to the atmosphere and for land disposal. the water. If ... objectives for the discharge of certain dangerous substances included in List 1 of the Annex to Directive 76 /46 4/EEC. • 75 /44 0/EEC concerning the quality required of surface wate...

Ngày tải lên: 19/06/2014, 16:20

... phosphate limits for discharges to eutrophic waters (2 mg l -1 for populations between 10,000 and 100,000 and 1 mg l -1 for populations greater than 100,000). The criteria for recognising ... be needed for individual groundwater abstractions. It is possible to define the catchment area for a particular abstraction with information on the aquifer and on the rates of a...

Ngày tải lên: 19/06/2014, 16:20

... import duties to no greater than 10 per cent for equipment used for any treatment facilities. During 198 4- 8 9, however, only 130.9 million baht (US$ 5. 14 million) worth of waste -water treatment ... wastewater. For example, California levies a wastewater discharge permit fee, based on type and volume of discharged pollutants. Source: OECD, 1989, 19 94 A groundwater charge...

Ngày tải lên: 19/06/2014, 16:20

... of strategic actions. 7.6 References Asano, T. 19 94 Reusing urban wastewater - an alternative and a reliable water resource. Wat. Int., 19(1), 3 6 -4 2. Austin, T. Roiled waters: water politics ... instruments for encouraging efficient domestic and industrial water- use practices and for reducing wastewater volumes and loads. Water and sewerage fees can induce urban or...

Ngày tải lên: 19/06/2014, 16:20

... emission-based and the water quality-based approaches to water pollution control Management aspect Emission-based approaches Water quality based approaches Effluent limits No site-specific ... State pays for sewage treatment Feasible in medium term: 4- 1 0 years 4 As for step 3. Assets partially, to completely, depreciated and debt for investment serviced. State pays...

Ngày tải lên: 19/06/2014, 16:20

... can be performed at various levels of complexity, from hand calculations to advanced state-of-the-art ecological modelling. 10 .4. 6 Environmental impact assessment and cross-sectoral co-ordination ... impacts on the physical environment, impacts on the water resources often imply impacts on the biological and socio-economic environment. Assessments of impacts on water quality should,...

Ngày tải lên: 19/06/2014, 16:20