A freeway has 9,000 vehicles per hour passing a house 150 m away. Each car emits an
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A freeway has 9,000 vehicles per hour passing a house 150 m away. Each car emits an average of 1.5 g/miles of NOx, and winds are blowing at 2.0 m/s across the freeway towards the house. Estimate the NOx concentration at the house on a clear summer day near noon (assuming that NOx is chemically stable).
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