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Workplan for Subsurface Investigation Z <br /> � <br /> Stockton Police Facility Working To Restore Nature <br /> Project No.OW0148:02 <br /> Page 3 <br /> approximately 10 feet. A geologist will be on site to log soils encountered in the subsurface. <br /> Six samples, two from each boring, will be submitted to a State-certified laboratory and analyzed <br /> for total petroleum hydrocarbons,as diesel (TPHd), and gasoline (TPHg), benzene, toluene, <br /> ethylbenzene, and xylenes (BTEX). Pending approval from PHS/EHD, drill cuttings will be <br /> stockpiled at the City Corporation Yard with previously excavated materials. All field activities <br /> will be performed in accordance with the Site Safety Plan, Attachment 1. <br /> Upon receiving laboratory results, RESNA will prepare a report for submittal to the PHS/EHD. <br /> The report will include a summary of drilling activities, an interpretation of analytical data <br /> showing the extent of soil contamination, and conclusions and recommendations. It is estimated <br /> that the drilling and sampling will take approximately two weeks to schedule, one day to <br /> complete, and the report will take approximately three weeks to complete. <br /> If you have any questions regarding this matter please contact me in our office. <br /> Respectfully, <br /> RESNA Industries, Inc. <br /> J n P. Lane <br /> Project Geologist <br /> Gregory P. Stahl <br /> CA Registered Geologist No. 5023 <br /> JPL/ggk <br /> Attachments <br /> WP-1093.DRF <br />