2.0 Environmental Pollution

2.1 Pollutant
2.2 Contaminant
2.3 Source
2.4 Sink
2.5 Receptor
2.6 Threshold limit value (TLV)
2.7 Flow sheet of Environmental pollution process
2.8 Atmospheric Pollution
2.9 Tropospheric pollution or Air pollution

Environmental pollution may be described as the contamination of the environment with harmful wastes arising mainly from human activities. These activities release certain materials which produce pollution in the atmosphere, water & soil. The environmental pollution can be caused by

Chemical agents (gases, pesticides, particulates)

Physical agents (heat, noise, radiation) or

Biological agents (micro – organisms)

Pollution produces adverse effect on living as well as on non living materials. The effect of pollution are increasing at an alarming rate & if the same are not checked & controlled, they will pose a serious threat to human existence & habitat common terms to understand Prob. of pollution are