SOIL POLLUTION ppt

... causing soil pollution are: • Petroleum hydrocarbons • Heavy metals • Pesticides • Solvents Types of Soil Pollution • Agricultural Soil Pollution i) pollution of surface soil ii) pollution ... underground soil • Soil pollution by industrial effluents and solid wastes i) pollution of surface soil ii) disturbances in soil profile • Pollution due to urban...

Ngày tải lên: 23/03/2014, 04:20

... air pollution may be considerable. There is evidence of an effect of air pollution on respiratory deaths in the post-neonatal period which it appears may be due mainly to particulate air pollution ... disease subsequent to excursions in ambient outdoor air pollution. These have been reviewed by the Committee on the Medical Effects or Air Pollution (COMEAP) of the Department of H...

Ngày tải lên: 17/02/2014, 10:20

... Pollution, Air Pollution, Vehicular Pollution Control, Industrial Pollution Control, Common Effluent Treatment Plants, Zoning Atlas, Establishment of Environment Protection Authority, Central Pollution ... Industrial Pollution Complaints During the year, Ministry has received more than 250 complaints regarding pollution caused by industries. The complaints were mostly relate...

Ngày tải lên: 17/02/2014, 10:20

... causes disastrous soil erosion in a few years – Thailand 1979 © FAO/10460/F. BOTTS 91 Livestock’s role in climate change and air pollution and the amounts of carbon released from soils when they ... In addition, practices such as soil liming contribute to emissions. Soil liming is a common practice in more inten- sively cultivated tropical areas because of soil acidity. Brazil...

Ngày tải lên: 17/02/2014, 10:20

... responsible 86 Health effects of transport-related air pollution for exposing an increasing proportion of the population to air pollution, even though air- pollution levels have decreased. Introduction Despite ... an air pollution index (ExTra) as part of a case–control study on transport-related air pollution (Zmirou et al., 2002; Reungoat et al., 2003). Human exposure to transpo...

Ngày tải lên: 17/02/2014, 11:20

... effects of particulate air pollution on cardiovascular diseases in eight European cities. Journal of Epidemiology and Community Health, 2002, 56:773–779. 48. Ostro BD. Air pollution and morbidity ... Particulate air pollution and panel studies in children: a systematic review. Occupational and Environmental Medicine, 2004, 61(4):e13. 55. van der Zee S et al. Acute effects of urban...

Ngày tải lên: 17/02/2014, 11:20

... Early “Killer smog” episodes demonstrated that air pollution at extreme levels can contribute to respiratory and cardiovascular disease and death ... Brimblecombe P. The Big Smoke, Methuen 1987 Utah Valley, 1980s • Winter inversions trap local pollution • Natural test chamber • Local Steel mill contributed ~50% PM 2.5 • Shut down July ... 1986-August 1987 • Natural Experiment Larg...

Ngày tải lên: 17/02/2014, 11:20

Ngày tải lên: 18/02/2014, 04:20

Ngày tải lên: 18/02/2014, 04:20

... discharged to a receiving stream. 3.Control of soil pollution The following steps have been suggested to control soil pollution. To help prevent soil erosion, we can limit construction in sensitive ... minimize soil pollution. Reusing of materials Materials such as glass containers, plastic bags, paper, cloth etc. can be reused at domestic levels rather than being disposed, red...

Ngày tải lên: 06/03/2014, 23:20