Results for water polution act india UsHotSearchs - Great Document 7 pot

... 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 hypoli...

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 retenti...

Ngày tải lên: 19/06/2014, 16:20

... assisted 1 1-2 1-3 (G) 0-1 0-1 Activated sludge 2 0-2 0-2 0-1 0-1 Biofiltration 2 0-2 0-2 0-1 0-1 Aerated 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 ... 0-2 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 reser...

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

... of formulations of insecticides, herbicides and fungicides in common use and, therefore, the potential for water pollution is very high. There are also very stringent limits for water used for ... 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 crite...

Ngày tải lên: 19/06/2014, 16:20

... 77 million (World Bank, 1994c). The costs of urban water pollution also create an additional burden for cities in the form of higher water supply costs (Figure 7. 4). In metropolitan Lima, for ... 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...

Ngày tải lên: 19/06/2014, 16:20

... instruments for encouraging efficient domestic and industrial water- use practices and for reducing wastewater volumes and loads. Water and sewerage fees can induce urban organisations to adopt water- saving ... of strategic actions. 7. 6 References Asano, T. 1994 Reusing urban wastewater - an alternative and a reliable water resource. Wat. Int., 19(1), 3 6-4 2. Austin,...

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 ... Pollution Control Board in India) . Regulation Integrated planning Construction Operation of cost recovery Rural and peri-urban - - State Water Corp./Board State Water Corp./Bo...

Ngày tải lên: 19/06/2014, 16:20

... 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, therefore, ... water quality problem. Although they are less accurate, indirect techniques for obtaining the necessary information exist for a variety of water quality-related factors. It is pos...

Ngày tải lên: 19/06/2014, 16:20