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q. <br /> �` i i ,ram ✓ . <br /> Y <br /> Figure 17. Location of strong diesel odor and visible sheen within ponds that outlet into <br /> Yule Creek. Photo captured October 30, 2019; view to the north. <br /> HRL promptly notified the appropriate authorities which included the CDPHE. CDPHE <br /> then sent out its standard round of noticing and issued the release spill tracking #2019- <br /> 0587. As of November 21, 2019, only Colorado Parks & Wildlife (CPW) are known to <br /> have responded to this notice. The DRMS was notified promptly by GLA. Mr. Czapla <br /> requested daily phone calls with updates during the immediate mitigation and start of <br /> remediation activities. In addition, on or about this date, CSQ elected to replace Clean <br /> Harbors with HRL to take responsibility for mitigation activities. <br /> During the night, the sump rose to a height of 6 feet and allowed for clean water to <br /> infiltrate the taller berm while trapping the surface diesel sheen within the sump (Figure <br /> 18). As a result, work began the following morning, Thursday, October 31 St, to further <br /> fortify and compact the berm at the northern edge of the sump (Figure 19). Marble blocks <br /> were installed along the northern edge of the sump to strength the berm and in preparation <br /> of much stronger spring melt flows that Yule Creek experiences annually. Soil and <br /> crushed marble fines were mixed and compacted along the south face of the berm to <br /> further concentrate any diesel particulates in the sump while allowing clean water to flow <br /> through. Additional booms were deployed down gradient in Yule Creek to further capture <br /> any potential diesel in Yule Creek (Figure 20). <br /> 26 <br />