Noise management strategy on a particular site, Chemistry

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Question:

a) If you were a newly appointed environmental engineer in a wastewater treatment plant and one of your tasks was to characterise the wastewater. According to you, what would be the main contaminants of concern and justify their importance.

b) What are the main control devices for particulate contaminants and describe any two of them.

c) How would you go about to devise a noise management strategy on a particular site?


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