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aos104f08.hw1

aos104f08.hw1 - 1 The air quality standard for ozone is...

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Unformatted text preview: 1. The air quality standard for ozone is 0.08 ppmv. a. Express this standard in μg/m 3 at 1 atm pressure and 25°C b. At the elevation of Denver, the pressure is about 0.82 atm. Express the ozone standard at that pressure and at a temperature of 20°C 2. A typical motorcycle emits about 20 g of carbon monoxide per mile. a. What volume of CO would a 15 km trip produce after the gas cools to 25°C at 1 atm pressure? b. Per meter of distance traveled, what volume of air could be polluted and still be within the air quality standard of 9 ppmv for CO? 3. Five million gallons per day (MGD) of wastewater, with a concentration of 10.0 mg/L of a conservative pollutant, is released into a stream having an upstream ¡ow of 10 MGD and pollutant concentration of 3.0 mg/L. [This problem shows the typical U.S. practice of using non-metric units for most everything except small concentration values and standards.] a. What is the concentration in ppmm just downstream?...
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