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Mr.Nuel Henderson,Jr. • October 15,2002 <br /> ARCO Station 6100 Project No.U 6100 <br /> Work Plan Page 8 <br /> Task 4: WASTE MANAGEMENT <br /> Drilling mud, water, and soil cuttings generated during mud rotary drilling will be stored in a <br /> self-contained compartmentalized soil bin. Soil cuttings generated during air-rotary casing- <br /> hammer drilling will be stored in a roll-off bin. The bins will be stored at the site pending <br /> disposal at an appropriate facility. Samples for disposal characterization will be collected and <br /> analyzed by the disposal facility. Wastewater generated will be properly containerized and <br /> hauled to an appropriate disposal facility. An appropriately licensed contractor will transport the <br /> waste material. <br /> Task 5: REPORT PREPARATION <br /> Following receipt of all analytical results, a report documenting the findings of the investigation <br /> will be prepared. The report will include, but not be limited to, analytical tables, a scaled site <br /> plan, geologic cross sections, boring logs, certified analytical report, and general findings of the <br /> assessment. hi the event that further assessment is warranted, an additional scope of work will <br /> be proposed in the report. The Site Conceptual Model will be updated to include data collected <br /> during this investigation. <br /> SCHEDULE <br /> Following approval of the work plan, Stratus will forward an access agreement to the property <br /> owner south of the ARCO Facility, and will initiate encroachment proceedings with San Joaquin <br /> County. Once the access to all well locations has been granted, the proposed work will be <br /> scheduled. Implementation of the work will depend on driller availability. <br /> If you have any questions regarding this work plan, please contact Jay Johnson at <br /> (530) 676-6000. <br /> Sincerely, <br /> STRATU5 ENWRONMENTA �N JGEO�O� <br /> No.5577 <br /> Stephen J. Carter, R.G. Ja R. son, R.G. <br /> Senior Project Supervisor tP AN, Pr 'e Manager <br /> AS-tF� <br /> Attachments: Figure 1 Si OFC n Map <br /> Figure 2 Site Plan <br /> Appendix A Field Practices and Procedures <br /> cc: Mr. Marty Hartzell, CRWQCB <br /> Mr. Paul Supple, Atlantic Richfield Company <br /> PABp-Arco for URS\6100\Work Plans\6100 workplan-l.doc <br />