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0 9 <br />UST Removal and Soil Sampling Report <br />Page 4 of 4 <br />laboratory report, including chain -of -custody documentation, is included in Attachment B. <br />DISCUSSION & CONCLUSIONS <br />All eight of the former USTs on site, and the associated product lines/dispenser, were properly <br />removed from the subsurface. Soil samples were collected, under EHD supervision, from beneath <br />the USTs and product lines at the appropriate intervals. All of the soil samples collected were <br />analyzed for the constituents required by EHD for the specific kind of tank. Aside from <br />background metal levels and very low levels of motor oil in two of the motor oil product line <br />samples and from one of the stockpiled soil samples no other analyzed constituents were detected <br />at the site. No further investigation is warranted. <br />Please contact Ground Zero at (209) 522-4119 if you have any questions or require additional <br />information. <br />' Respectfully, <br />Ground Zero Analysis, h>c. <br />J� �� <br />AL <br />Joseph L. Vasquez," <br />Staff Geologists a <br />STAK <br />WAM <br />' Gregory P. Stahl, PG 5023 OF CALIF <br />CA Certified Hydrogeologist No. 264 <br />Attachments <br />' cc: Mr. Jeff Wong, San Joaquin County Environmental Health Department <br />1 <br />1 <br />1J <br />' G.\Data\GROUNDZE\Stocicwn RTD\Reporls\UST Removal and Soil Sampling Report.doex <br />