b) In what direction does the local groundwater flow? Do you know? c) Which home
ID: 119681 • Letter: B
Question
b) In what direction does the local groundwater flow? Do you know?
c) Which homes will be the next to feel the effect of the gasoline leakage?
d) what additional problems has your research doscovered?
ice may f s in the sd EXERCISE 12.7 ironmental Issue 2: Someone Is Polluting My Water! (continued) Name: Course Section: Date: The Smiths bought a home e in a suburban development where the water supply was a shallow groundwater aquifer. A S has begun to taste foul, Last dishes, the Smiths thought they smelled gasoline in their kitchen. The local TV news channel ran e report on leakage from storage tanks at gas stations, and the Smiths suspected that this might be the ca consulting company to solve the problem, and you have been put in charge c months ago, they noticed a strange smell when they took showers, and the drinking water week, while washing their problem. They hired a groundwater project. lowing map illustrates the Smiths' neighborhood, showing the location of their home and two local gas stati s suspect to be the cause of their water problem. You have surveyed the neighborhood using state-of-the-a the Smith trations (in parts per billion) of semivolatile compounds in the area surrounding the Smith home (nd - not detected). nci o nd 17° #21 23 rn 53 56 65 74 40 55 6 12 39. 230 10. 30 32 37 26 28 45 27 06 40 e25 8 11 1311 6.11 ·11 nd 1 nd nd 2 41o 24 24 27 1 mile Goodmile Gas Co. Smith home GoFast Gas Co. (co GROUNDWATER AS A LANDSCAPE FORMER AND RESOURCE 12 312 CHAPTERExplanation / Answer
b) The direction of groundwater flow cannot be determined exactly from the figure as we don't have any potentiometric surface of ground water or the water level contours of the ground water. In this case the concentration is decreasing towards the north side while there is no major concentration of the gasoline leakage is seen in the south hence the movement is towards north side.
c) The houses having concentration of 65ppb, 74ppb and 62ppb near to the Smith's house will next to feel the effect of the gasoline leakage.
d) The additional problem seen is that since the movement of ground water is towards north hence there are always chance of contamination moving towards north, which needs to be stopped.
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