Environmental Engineering in CE
In the context of the chemical process industries, the term BOD is normally associated with the

Characterisation of liquid effluents
Organic concentration in gaseous effluents
Characterisation of solid wastes
Characterisation of boiler feed water

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Environmental Engineering in CE
On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because

Of clotting of blood
Of jamming of respiratory tract
It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen
It forms CO₂ by combining with oxygen present in the blood

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