How long will it take for a non-reactive contaminant to travel a distance of 8 m if Darcy's flux is v = 8 cm/day. The porosity of the soil is 0 = 0.4 and the soil is saturated. Step 1. What is the velocity of the water? (Do not round-off until the final step). Uwater = cm/d Step 2. Calculate the time it will take for a non-reactive chemical to travel 8 m t = d Under the same conditions, how long will it take chlorobenzene to travel 8 m. The retardation factor for phenol in the soil is 35. The chlorobenzene is travelling at (give your answer to 5 significant figures): cm/d Uchlorobenzene = Calculate the time it will take for the chloroform to travel 8 m t = d

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