Laserfiche WebLink
as gasoline. After laboratory results are received, any <br /> soils above 100 parts per million (ppm) will be aerated <br /> �+ to below 100 ppm for future backfilling of the tank pit. <br /> Aeration will be performed under a permit from the San <br /> Joaquin County Air Resourses Board. <br /> 4. Previously excavated clean soils and treated soils with <br /> hydrocarbons concentrations below* 100 ppm will be used <br /> to backfill the tank pit. Additional clean fill will be <br /> imported, as necessary. A summary of the 18 composite <br /> samples collected from the previously excavated soils <br /> are presented in Table 2 and the laboratory reports are <br /> in Appendix III. <br /> " 5. During backfilling of the tank pit the soils will be <br /> compacted. The tank pit will then be capped with <br /> asphalt. <br /> Y 6. A Problem Assessment report will be prepared summarizing <br /> the findings of the investigation and recommended <br /> remedial action alternatives, if necessary. The field <br /> investigation will be conducted under the direct <br /> supervision of Russell W. Juncal, CA Registered <br /> Geologist No. 3864, who will review and sign the <br /> assessment report. <br /> 4.0 TIME SCHEDULE <br /> Upon receiving approval to re-excavate from San Joaquin <br /> �-' County Environmental Health. The re-excavation will begin <br /> within ten working days. Sample results should be available <br /> within 15 days after collection. <br /> { <br /> 3 <br />