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• UST Monitoring and Remediation Wells <br />As approved by CDPHE, the remediation system and monitoring wells were reniuvrad ir, <br />1999. The NPDES discharge permit for the system has also been terminated. <br />MW-1: MW -1 a well, was drilled to characterize and monitor remediation work of apparent <br />leakage from underground storage tanks (removed) located near the Industrial Building of fhe <br />New Elk Mine. This monitor station was located beyond the anticipated limits of any <br />contamination plume. <br />MW-2: MW-2, a well, was drilled to characterize and monitor remediation work of apparent <br />leakage from underground storage tanks (removed) located near the Industrial Building at the <br />New Elk Mine. This monitor station was located beyond the anticipated lirnils of any <br />contamination plume that might extend in a direction toward the Puryatoire River. <br />MW-3: MW-3, a well, was drilled to characterize and monitor remediation work of apparent <br />leakage from underground storage tanks (removed} located near the Industrial Building at the <br />New Elk Mine. This monitor station was located above the anticipated limits of any <br />contamination plume. <br />MW-4: MW-4, a well, was drilled to characterize and monitor remediation work of apparent <br />• leakage from underground storage tanks (removed) located near the Industrial Building at the <br />New Elk Mine. This monitor station was located above the anticipated limits of any <br />contamination plume. <br />MW-5: MW-5, a well, was drilled to characterize and monitor remediation work of apparent <br />leakage from underground storage tanks (removed) located near the Industrial Building al the <br />New Elk Mine. This monitor station was located within the area of anticipated highest levels of <br />potential contamination. <br />MW-6: MW-6, a well, was drilled to characterize and monitor remediation work of apparent <br />leakage from underground storage tanks (removed) located near the Industrial Building at the <br />New Elk Mine. This monitor station was located within the area of anticipated moderate levels of <br />potential contamination, and to monitor the influence of the groundwater surface to pumping <br />from recovery well R W -1. <br />MW-7: MW-7, a well, was drilled to characterize and monitor remediation work of apparent <br />leakage from underground storage tanks (removed) located near the Industrial Building at the <br />New Elk Mine. This monitor station was located within the area of anticipated lower levels of <br />potential contamination. <br />MW-8: MW-8, a well, was drilled to characterize and monitor remediation work of apparent <br />leakage from underground storage tanks (removed) located near the Industrial Building <br /> <br />