By K. Saravanan, S. Ramachandran, Dr. R. Baskar
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The spectrum of occupational and environmental illnesses has replaced markedly up to now decade. Pneumoconiosis continues to be a standard reason for power lung sickness however the inspiration has developed to surround reactions of the lung to chemical compounds and natural or inorganic airborne dirt and dust. moreover, new business strategies have resulted in the construction and use of quite a lot of chemical substances, metals, and alloys, increasingly more which, together with man-made natural debris, are suggested to reason interstitial lung illness in uncovered staff.
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This often occurs as the result of drought. Fires occur less frequently in colder and wetter climates, Winds can increase a fire’s intensity while providing few escape routes. Lightning is a most common cause of wildfire during the growing season. Dry weather prior to thunderstorms during spring, summer, or fall increases the risk of a fire from lightning. 3 Manmade Impacts on Air, Water and Land Increasing human population coupled with unprecedented technological growth has led to severe environmental stress.
In India around 90 million tones of solid waste and 6 million tones of hazardous waste are being generated annually. In addition to the municipalities and corporations (human dwellings) the major industrial sources of solid wastes are Thermal power plants, Ferrous and nonferrous metals manufacturing and processing units, Sugar, Paper, Textile, Petroleum Refining, Petrochemicals and fertilizers, Cements and Polymer Industries. Mining and quarrying industry uses up fertile land areas. Biomedical wastes from hospitals like body parts, used and discarded syringes, needles and surgical instruments, dressing and hospital linen are mixed with municipal wastes, which pose a major health hazard in developing countries like India.
The ground water is normally not contaminated with suspended solids due to the filtering ability of the soil. Domestic and Industrial use of water result in a large variety of suspended matter which are both organic and inorganic in nature. Suspended matter is not desirable since it spoils the appearance and is aesthetically unpleasant. In addition organic suspended matter under goes biological degradation resulting in objectionable 33 34 PRINCIPLES OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY by-products.
Principles of Environmental Science and Technology by K. Saravanan, S. Ramachandran, Dr. R. Baskar