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Mr. Chip Bair <br />B&B Excavating <br />February 19, 2008 <br />Page 2 of 2 <br />3. The document must provide information on the screened depth of the sampled wells, <br />groundwater elevation in each well and borehole logs/well construction completion data. <br />4.. The asphalt tack identified in test pit 11 is regulated as a waste material. The first two rounds of <br />ground water monitoring must include sampling for PAHs for any wells located in or <br />downg;radient of areas where the tack material was identified. The work plan must also include a <br />proposal to ensure that the tack material is handled in a manner to prevent additional potential <br />impacts to soil and ground water. <br />5. The corrective action plan must identify the proposed locations for the five ground water <br />monitoring wells to be installed at the site. Please provide the Division with a to-scale map of <br />the facility indicating the proposed locations for the wells. <br />6. The corrective action plan must also include a remediation strategy and schedules for managing <br />both impacted soils and groundwater onsite and offsite. Soil and groundwater sampling must <br />include the following constituents: metals, semi-volatile organic constituents, PAHs and diesel- <br />range organics. <br />We request that you provide responses to these comments by no later than March 7, 2008 in order to <br />expedite approval of the plan. I am willing to meet with you in person to review the issues identified in <br />this letter. Please contact me if you would like to set up a meeting to discuss these issues further. <br />In closing, please note the Department: is authorized to bill for its review of technical submittals pursuant <br />to 30-20-109(2)(b). An invoice for the Division's review of the above referenced document will be <br />transmitted under separate cover. If you have any additional questions or concerns, please contact me at <br />(303) 692-3347, or by e-mail at caren.johannes ~state.co.us. <br />Sincerely, <br />~~~ <br />Solid Waste U~ <br />Solid and Hazardous Waste Program <br />Cc w/ attachment: <br />Ray Merry, Eagle County Health <br />Craig Heydenberk, Waste Engineering, Inc. <br />Jason Burkey, B&B Excavating; <br />Vaughn Pack, B&B Excavating <br />Jim Dupler, Colorado Dept. of Natural Resources-Division of Mining Reclamation and Safety <br /> <br />C:\CAS Wstuff\08docs\b&bexc_sercap_fin.doc <br />