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ii <br /> g <br /> ., fr• I p��,tb � lye <br /> Figure 21. Contaminated soil stockpile to be removed pending approval from South <br /> Canyon landfill. Photo taken November 1, 2019; panoramic view to the west and south- <br /> southwest. <br /> Transport of diesel laden water continued to occur from the tanks onsite along the haul <br /> road down to the loadout frac tanks. Frac tanks were continually pumped from the tanker <br /> trucks that continued to transport waste water to the Greenleaf facility in De Beque. <br /> HRL collected another round of water samples from the sump and three downstream <br /> locations in Yule Creek. At the time of sampling the sump, the water level had dropped to <br /> 3 feet (<2,500 gallons) and the previous location of inflow was observed as dry (Figure <br /> 22). The previous flow of clean water through the berm into Yule Creek had ceased. <br /> Comparison to the current sump level showed that the sump had established a new <br /> equilibrium level at around 3 feet and was below the level needed for clean water to <br /> infiltrate the berm and enter Yule Creek. HRL also took soil samples from the segregated <br /> soil pile northwest of the spill location to further characterize the contaminated soil to be <br /> imported at the South Canyon Landfill. <br /> 30 <br />