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Working To Restore Nature <br /> Addendum One to Remedial Action Plan March 1, 1993 <br /> Coca-Cola Former Distribution Facjlity, Stockton, California 5400601 <br /> ' projected to be 3.6 lb TPHg/day and 0.23 lb benzene/day, respectively. These projected <br /> emissions are within the regulatory emissions limits. The calculations Month 2 and Month <br /> ' 3 emissions are also included in Appendix B. <br /> Estimated O eration 11me <br /> The estimated operation time is based on the estimated amount of TPHg in the soil, and <br /> on the estimated TPHg extraction rates discussed above. RESNA's estimate of the amount <br /> of TPHg in the soil is less than USTEC's estimate. For permitting purposes, the more <br /> conservative USTEC TPHg weight was used to determine operation time, in the event that <br /> this additional operation time is needed. Based on the USTEC quantity of TPHg in the soil <br /> and the mass extraction rates calculated in Appendix B, the estimated operation time of the <br /> vapor extraction system is about 12 to 15 months until extracted vapor concentrations are <br /> consistently nondetectable. If the amount of TPHg in the soil is less, then the clean up time <br /> ' will be correspondingly shorter. <br /> PROPOSED SCOPE OF WORK <br /> Based on the results ofrevious work at the site RESNA P S A proposes the following project <br /> Tasks 1 through 12 listed below to accomplish the engineering design, permitting, <br /> ' construction, and operation of a soil remediation system. The tasks are described in detail <br /> in the following subsections. <br /> Task 1. Vapor Extraction Test and Report (completed) <br /> Task 2. Addendum One to the Remedial Action Plan (this report) <br /> ' Task 3. Quarterly Groundwater Monitoring (resumed December 1992) <br /> Task 4. Construction Plans and Specifications <br /> Task 5. Permitting: Air, Building, Fire <br /> Task 6. Pre-Construction Phase <br /> Task 7. Construction <br /> Task 8. Construction Inspection and Management <br /> Task 9. Operating Instructions <br /> Task 10. System Startup and Startup Monitoring <br /> Task 11. System Startup Report <br /> ' Task 12. Operations, Maintenance, and Compliance Monitoring and Reporting <br /> 8 <br /> 1 <br />