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purged groundwater, will be placed in 55-gallon, California Department of Transportation (DOT) rated <br /> drums which will be labeled with non-hazardous waste labels and temporarily stored on-site, pending <br /> transportation and disposal to a California licensed waste disposal facility. All IDW will be managed in <br /> accordance with State and local regulations. <br /> 5.9 Data Evaluation and Additional Site Assessment Report <br /> IES will evaluate the information and provide a detailed report documenting the additional off-site <br /> assessment activities. The results will be compiled with data previously collected and will include a <br /> complete description of the field investigation (drilling and sampling techniques), boring logs, soil and <br /> groundwater contaminant concentration and plume maps, and geologic cross section maps. This <br /> additional assessment data will allow IES to further define a site conceptual model that will assist in <br /> determining the appropriate and most cost-effective remediation alternatives. <br /> Thank you for your attention to this case. If you require any additional information regarding the <br /> Work Plan or this Addendum, please contact the undersigned . <br /> Respectfully, <br /> Q� %AAE!lG O!O <br /> Michael T.Davis,PG <br /> Principal Geologist p�F ti <br /> F---- r� <br /> cc: Mr. Allen Genetti, CPA, CFO El Dorado Land Holdings OF CAU 0¢ <br /> Enclosures: <br /> Figure 10 — Revised Proposed Groundwater Monitoring Well Locations Map (MW-15B, MW- <br /> 16C,MW-17B,MW-18C,MW-19B and MW-20C) <br /> Figure 11 — Proposed B Zone Monitoring Well Construction Details (MW-15B, MW-17B and <br /> MW-19B) <br /> Figure 12 — Proposed C Zone Monitoring Well Construction Details (MW-16C, MW-18C and <br /> MW-20C) <br /> Appendix A—AGE,Inc. Site Conceptual Model Figures 3 through 5 <br /> California Tank Lines Innovative Environmental solutions <br /> Addendum to Work Plan -8- Encinitas,California <br />