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. PHONE 285-2400 <br /> CABLE ADDRESS TIMOIL <br /> SEATTLE V TE (FAX) 206-283-8036 <br /> TACOMA N <br /> PORTLAND <br /> STOCKTON 12 I To <br /> LRICHMOND OS ANGELES 9 RENO 23 ONE TIME O I L C O O <br /> g\\\��U//////!4 <br /> 7 6 5 QTS <br /> 2737 WEST COMMODORE WAY SEATTLE, WA 98199-1233 <br /> PRODUCTS P O BOX 24447 SEATTLE, WA 98124-0447 <br /> i <br /> TIME TESTED ME May 21, 19 9� C�' ''7_'3F <br /> K � <br /> Ms Carol Oz MAY 2 2 1992 <br /> San Joaquin County Public Health Services ENVIRONMENTAL HEALTH <br /> Environmental Health Division PERM ff/s icEs <br /> P 0 Box 2009 <br /> Stockton, California 95201 <br /> RE Stockpile Disposition <br /> Jackpot Food Mart, 1434 W Yosemite Ave Manteca CA (Property No 04-167) <br /> Dear Ms Oz, <br /> This letter has been prepared to provide you with information regarding the status <br /> of the stockpile at the above-referenced site Per your request, I have also <br /> requested that Weston Analytical Laboratory forward original copies of the analytical <br /> reports pertaining to the subject site so that you may complete your records <br /> During the removal of three underground storage tanks on September 19, 1991, a <br />. stockpile with an approximate volume of 300 cubic yards was generated The soil was <br /> placed on plastic sheeting on the south edge of the property and covered to prevent, <br /> runoff <br /> At your direction, six discrete samples were collected from the stockpile and analyzed <br /> for total petroleum hydrocarbons (TPH) as gasoline, and benzene, toluene, <br /> ethylbenzene, and xylenes (BTEX) Laboratory analyses indicated the presence of TPH <br /> at concentrations ranging from 600 to 19,000 ppm while benzene was found at levels <br /> ranging from "non-detect" to 37 ppm Table 1 of Canonie Environmental's "Preliminary <br /> Investigation Report" forwarded to your office on December 17, 1991 summarizes <br /> analytical results while copies of analytical reports are included as Appendix C <br /> On March 5, 1992 Porter Geotechnical was contracted by Time Oil Co to characterize <br /> the stockpile, transport it to a treatment facility, and implement remedial methods <br /> Accordingly, in April the stockpile was transported to the Callahan Treatment Facility <br /> in Tehama, California where it is currently undergoing aeration Upon completion of <br /> aeration, ownership of the soil will pass to the treatment facility owner The <br /> treated soils will not be returned to the subject site To verify receipt of the soil <br /> at the treatment facility, copies of the weigh tickets are included as Attachment 1 <br /> I hope that this information satisfies your concerns regarding the soil stockpile <br /> If you have any further questions, you may contact me at (206) 286-4495 <br /> Sincerely, <br /> Anastasia E Duarte <br /> Environmental Toxicologist <br /> aed\may92\4167 Lt8 <br />