The concentration of PM inside a stack is 100,000 jig/m3. The stack gas exits at an average velocity of 20 m/s, and the stack has an inside diameter of 2 meters, The emission rate of PM5 in kg/day, is approximately:a. 1J5 kg/day b. 27.2 kg/dayc, 138 kg/day d. 543 kg/day

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Storm Sewers and Detention

The storm drains system transports rainwater or stormwater and other runoff from roads, parking lots, and roof downpipes directly to nearby creeks, rivers, or the sea without any treatment.