Contamination

Inclusion of pollution is entering or living things, matter, energy and / or other components in water or air. Pollution can also mean changing the order of (composition) of water or air by human activity and natural processes, so that the quality of water / air to less or no longer able to function in accordance with destining.

To prevent pollution of the environment by various industrial activities and human activities, it is necessary to control environmental pollution by setting environmental quality standards.

Pollution on the environment can occur anywhere by a very rapid rate, and the increasingly heavy burden of pollution caused by industrial waste from a variety of chemicals including heavy metals.