A manufacturing facility that manufactures printed circuit boards puts wash water that was used to wash solvents from the circuit boards into a septic tank which discharges into ground water. The wash water contains 7.34 mg/L of dis solved trichloroethylene (TCE). The daily rate of discharge is 13.6 m'/day. The underlying aquifer has an average linear groundwater velocity of 0.34 m/day. The discharge has been going on long enough so that steady state conditions have been reached. Assuming no degradation of the TCE, what is the concen tation at a monitoring well located 22 meters downgradient of the septic tank discharge (* = 22 m, y = 0 m)? Assume a value for b.
A manufacturing facility that manufactures printed circuit boards puts wash water that was used to wash solvents from the circuit boards into a septic tank which discharges into ground water. The wash water contains 7.34 mg/L of dis solved trichloroethylene (TCE). The daily rate of discharge is 13.6 m'/day. The underlying aquifer has an average linear groundwater velocity of 0.34 m/day. The discharge has been going on long enough so that steady state conditions have been reached. Assuming no degradation of the TCE, what is the concen tation at a monitoring well located 22 meters downgradient of the septic tank discharge (* = 22 m, y = 0 m)? Assume a value for b.
Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter7: Seepage
Section: Chapter Questions
Problem 7.6P
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Question
A manufacturing facility that manufactures printed circuit boards puts wash
water that was used to wash solvents from the circuit boards into a septic tank
which discharges into ground water. The wash water contains 7.34 mg/L of dis
solved trichloroethylene (TCE). The daily rate of discharge is 13.6 m'/day. The
underlying aquifer has an average linear groundwater velocity of 0.34 m/day.
The discharge has been going on long enough so that steady state conditions
have been reached. Assuming no degradation of the TCE, what is the concen
tation at a monitoring well located 22 meters downgradient of the septic tank
discharge (* = 22 m, y = 0 m)? Assume a value for b.
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