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1 <br /> SECOND ADDENDUM TO <br /> ' SOIL CONTAMINATION WQRKPLAN <br /> Dated Oct. 5, 1991 for <br /> 18775 Tom Paine Road <br /> ' Tracy, CA <br /> Prepared foi <br /> San Joaquin Co. Public Health Service <br /> ' Enrivonmental Health Divkson <br /> by <br /> William J. Hunter & Associates <br /> ' January 3, 1992 <br /> ' PROPERTY ADDRESS: 15775 Tom Paine Road , (racy, California <br /> PROPERTY OWNER: Sierra--Bay Production Credit Association <br /> ' NAME & PHONE NO. OF CONTACT PERSON: Eliot E. Appleton , (209) <br /> 931-3770 <br /> BRIEF REVIEW OF WORK DONE 11 /21/ 1991 AS PROPOSED IN ADDENDUM <br /> DATED 11/18/1991: <br /> ' A total of 7 hand and power- angered borings, ranging in depths <br /> from 7 feet to 13 ' 411 , were made by Del-Tech Geotechnical under <br /> the supervision of William Hunter , F.U. `I he locations of those <br /> ' borings,, and the previous wor-P done , are shown on the attached <br /> Exhibit A. The results of laboratory analyzes of the samples <br /> tial• en from the borings and trenches are also shown; Table I lists <br /> ' the results of all analyzes tape Cher with a brief di scussY on of <br /> pertinent informat-i on. <br /> A review of the data reveals that the limits of contamination <br /> ' have been determinod to the northwest , n(arth , northeast , and east <br /> of the site of the removed UST. However- , mQasureable amounts of <br /> Toluene, Ethyl benzene, Xylene , and TPH-b were detected in soil <br /> ' samples obtained from Anger hole "A" westerly of the UST site, <br /> and in Auger Hole "8 ` " , south of that site. A water sample taPen <br /> from Auger hole "D" also showed very minor amounts of Toluene & <br /> Xylene, although that sample wai moist 13.E ely contaminated from <br /> the overlying soils, which were not segregated. All other <br /> Samplos obi-alned frr)(TI work dollu on 11/21/1' 91 revealed <br /> non--detectable levels of tested sub5tances <br /> 1 <br />