Environmental Safety

Which is the waste disposal method that produces heat?

Which is the waste disposal method that produces heat? (A) Recycling. (B) Composting. (C) Incineration. (D) Waste compaction. Ans: Incineration Explanation of incineration: Incineration is a waste disposal or waste treatment process. Hazardous waste materials at high temperatures to destroy contaminants. Incineration can destroy many harmful chemicals, such as polychlorinated biphenyls (PCBs), pesticides, and other […]

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Air Sampling

The basic need of air sampling and work environment monitoring and analysis is to find the level of pollution and to work out a strategy to reduce it. The air around us is filled with numerous hazardous materials and bacteria that can cause several health problems. Such workplace monitoring is essential for good health and

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Noise Pollution

Noise pollution can be defined as any disturbing or unwanted sound levels that may lead to adverse effects on humans, wildlife, other living organisms, and environmental quality. Noise becomes harmful when it exceeds 75 decibels (dB) and sound levels less than 75 dB are not damaging to living organisms. The word noise has come from the

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Water Pollution

Deterioration of physical, chemical, biological characteristics of water through natural & anthropogenic activities to such an extent that it becomes harmful to human beings, plants &animals. Source of water pollution: Point source Diffused source Point sources are those which discharge pollutants from specific locations (pipeline, sewers) to water bodies& common sources are (i) industries (ii)sewage

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Air pollution is defined as limited to the situation in which the outdoor ambient atmosphere contains materials in such concentrations which are harmful to man and its surrounding environment. In general air pollution may be defined as the imbalance in quality in the air due to the introduction of foreign material from natural or artificial