ESM222ps1-2008

ESM222ps1-2008 - 6 m 3 ) when full. Considering the...

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Spring 2008 1 ESM 222 Fate and Transport of Pollutants Problem Set #1 Due: Wednesday 04/16/08 (in class) Note: you do not need to type calculations or equations. Provide a cover page with the final answers, and then your hand-written calculations. You can also use Excel for your calculations – email the spreadsheet to Kristin so she can give you feedback in case there are mistakes. The first 7 problems are from Watts (Hazardous Wastes: Sources, Receptors, Pathways) 1) Problem 1.6 (5 points) 2) Problem 1.10 (5 points) 3) Problem 2.21 (4 points) 4) Problem 2.27 (3 points) 5) Problem 3.7 (3 points) 6) Problem 3.16 (2 points) 7) Problem 3.19 (10 points) 8) Orders of magnitude (18 points) a) The Gibraltar reservoir is one of the main sources of water for the City of Santa Barbara. It has a volume of 22,000 acre-feet (= 27 x 10
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Unformatted text preview: 6 m 3 ) when full. Considering the following pollutants, what mass of pollutant is needed, at equilibrium, to fully contaminate (saturate) the reservoir, assuming no losses to other environmental compartments? b) What mass of pollutant is needed to fully saturate an equivalent volume of air (27 x 10 6 m 3 )? Arochlor 1248 (PCB-1248) Tetrachloroethylene (PCE) Methyl bromide (a common pesticide used in strawberry fields in the past) 9) Conduct a web or journal search to find the physicochemical properties of Diuron, a very common pesticide. You need to know: MW, density, solubility, vapor pressure and K ow . Where do these properties rank, compared to other organic chemicals, in terms of low, medium or high? (10 points)...
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