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A power plant generator in Port Dickson has an effective stack of 80m. To supply power, the plant requires 6 tons charcoal per hour with emission rate of 150g/s. The sulfur content in the charcoal is 4.5% and wind speed of 5.0m/s at the effective stack. (b) Determine the distance for the maximum SO2 on ground level. (c) Determine the distance of maximum SO2 concentration at stack. (d) At the center line, determine the SO2 concentration at 3km. (e) Name the current guideline that should be referred by the power plant generator