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Wm. J. Hunter & Associates 2220 Loma Vista Dr <br /> Registered Geologists Sacramento, CA 95825 <br /> �etroleum& Mineral Appraisers (916) 972-7941 <br /> FAX (916) 972-1683 <br /> SECOND ADDENDUM TOIOUE VEU <br /> SOIL CONTAMINATION WORKPLAN R&IQ I <br /> Dated Oct. 3, 1991 for JAN 0 6 1992 <br /> 1E3775 Tom Paine Road <br /> Tracv, CA ENVIRONMENTAL HEALTH <br /> Prepared for PERMIT/SERVICES <br /> San Joaquin Co. Public Health Service <br /> EnrivonmentZl Health Uivison <br /> by <br /> William J. Hunter & Associates <br /> January Z, 199: <br /> PROPERTY ADDRESS: 15775 lam Paine Road , [racy, California <br /> PROPERTY OWNERi Sierra-Flay Prodtict i on Credit Association <br /> NAME & PHONE NO. OF CONTACT PERSON. Eliot E. Appleton, (209) <br /> 931-377() <br /> . BRIEF REVIEW OF WORD DONE 11/21/1991 AS PROPOSED IN ADDENDUM <br /> DATED 11/18/1991 : <br /> A total of 7 hand and power-augered borings, ranging in depths <br /> from 7 f Let to 1:; ' 4" , were made by Del-1 ech Geotechnical under <br /> the supervision of William Hunter , F.G. The locations of those <br /> borings , and the previous work done, are shown on the attached <br /> Exhibit A. The results of laboratory analyzes of the samples <br /> taken f rotn the borings and trenches are also shown; Table I lists <br /> the results of all analyzes together with a brief discussion of <br /> pertinent information. <br /> A review of the data reveals that the limits of contamination <br /> have been determined to the northwest , north , northeast , and east <br /> of the site of the removed UST. However- , mea sureable amounts of <br /> Toluene, Ethylbenzene, Xylene, and TPH-G were detected in sail <br /> samples obtained from Auger hole "A" westerly of the UST site, <br /> and in Auger Hole "S '" , south of that site. A water sample taVen <br /> from Auger hole "D" also showed very minor amounts of Toluene & <br /> Xylene , alLhough that sample was roost likely contaminated from <br /> the overlying sails, which were not segregated. All other <br /> samples obtained frr-)m work done on 11/21/1991 revealed <br /> non -detectable levvls of tested substances. <br /> • <br /> 1 <br />