Results for water polution act india UsHotSearchs - Great Document 3 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 ) - - - - - ... waters) 9 0-1 10 7 0-9 0 or 11 0- 120 5 0-7 0 or 12 0- 130 3 0-5 0 or 13 0- 150 < ;30 or >150...

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 0...

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 ... 0. 1-0 .3 kg BOD m -3 d -1 10 0 -3 50 kg BOD ha -1 d -1 At least two ponds in series, each 5 days ret...

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 ... 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 sludge 2...

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 ... achieve legally enforceable EQSs, the Water Pollution Control Act of Japan sets national uniform standards for direct discharges to water (known as E standards) and defines mass...

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

... the costs of water treatment, but also to promote water conservation. 6 .3. 7 Deposit-refund system Although not a principal instrument for controlling water pollution, deposit-refund systems ... 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...

Ngày tải lên: 19/06/2014, 16:20

... 13. 3 14 .3 14.5 Industrial discharges 33 .0 19.7 13. 7 11 .3 Total discharges 45.5 33 .0 28.0 25.8 Removed by wastewater treatment plants 5.5 8.7 12.6 14.5 Remaining pollution 40.0 24 .3 15.4 11 .3 Source: ... instruments for encouraging efficient domestic and industrial water- use practices and for reducing wastewater volumes and loads. Water and sewerage fees can induce urba...

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 ... 9 .3 Core elements in water management and water pollution control Institutional collaboration In many countries the responsibility for collecting water information is divided bet...

Ngày tải lên: 19/06/2014, 16:20

... Hydrolog. 27, 5 3- 8 4. Vollenweider, R.A. 1976 Advances in defining critical load levels for phosphorus in lake eutrophication. Mem. dell'Inst. Ital. di Idrobiol., 33 , 5 3- 8 3. Warford, J.J. ... 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...

Ngày tải lên: 19/06/2014, 16:20