Reference no: EM133161603

1. Definition may be based on its composition; its physical form; its chemical, biological or physical properties; or alternatively on the waste stream in which it arises.

2. Each country has its own interpretation of what constitutes hazardous waste, as well as using various terms to refer to it, such as ‘chemical', ‘special', ‘poisonous', ‘toxic' or ‘difficult'.

3. Worldwide there is no standard definition of hazardous wastes, and a number of different approaches are taken to the problem of defining it.

4. The Global Waste Survey 1992 - the first attempt to gain a worldwide picture of hazardous wastes - found that there were ‘almost as many
definitions as countries'.

5. Other ways of defining hazardous wastes might include one based on its recycling potential.

6. In developing economies, there is often an inadequate identification of the waste streams which arise - not simply of hazardous wastes - and
this can lead to an increase in pollution of the environment as well as increased risks to human health. Nigeria and artisanal mechanics

7. However difficult, waste classification is an important early step in developing a waste management system.

Attachment:- ADVANCED ENVIRONMENTAL MANAGEMENT AND SYSTEMS.rar