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The town of Smog, Idaho is located in a river valley and has a footprint of 6 km x 2 km. It has an average daily emission rate of 1000 kg/day of PM2.5 into the atmosphere from wood burning stoves. The background concentration of PM2.5 is 0.5 µg/m3. During a cold winter day in Smog, the mixing height is only 50-m and the average wind speed is 2 m/s entering perpendicular to 2 km dimension. Assume no depositional loss for PM2.5.
a) What is the steady state concentration of PM2.5 in this air shed?
b) Does this meet the NAAQS standard?
Where is the magnetic field because of a bar magnet strongest? Answer: This is just an experimental reality.
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