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SUMMARY <br /> Soil Over-excavation Workplan <br /> Saddle City Chevron <br /> 6421 W. Paddock Place <br /> Lodi, CA <br /> This workplan applies to the removal of soil material above the <br /> water table which is not stictly necessary for tank <br /> removal/replacement. At this time the amount of soil to removed is <br /> unknown, however, previous soil and water sampling suggest that <br /> extensive contamination is not present. Based on existing <br /> knowledge it is anticipated that removal will entail less than <br /> three feet in a lateral direction around the tank cavity and less <br /> than one foot around the piping trenches. This material would <br /> total approximately 243 yards from around the tank excavation (168 <br /> foot perimeter by 13 feet deep by 3 feet laterally) and <br /> approximately 67 yards from around the piping trenches (180 feet <br /> of run by one foot laterally by five feet deep) . Soils which are <br /> removed as part of the over-excavation will be stockpiled with any <br /> other contaminated soils on an impermeable surface and will be <br /> covered with plastic sheeting. <br /> One sample will be collected for every 50 yards of removed <br /> materials and analyzed for BTEX, and Total Petroleum Hydrocarbons <br /> as gasoline and diesel by a State Certified laboratory. <br /> A technical summary report will be prepared which will include all <br /> analytical results, a documentation of removed soil volumes and <br /> recommendations for additional work at the site, including a plan <br /> for disnosal of excavated material. <br />