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ADDENDUM TO <br /> SOIL CONTAMINATION WORKPLAN <br /> ' ❑aLea Oct. 3, 1991 for <br /> 16775 Tom Faine Road <br /> Tracy , CA <br /> ' Frepared for <br /> San Joaquin Co. Public Health Service <br /> Enri\,onmental Health Divison <br /> by <br /> Willzaw J. Nterrter & Associates <br /> ' November 18, 1991 <br /> PROPERTY ADDRESS: 113775 Torn Paine Road , Tracy, California <br /> ' PROPERTY OWNER: Sierra--Eav Production Credit Association <br /> ' NAME & PHONE NO. OF CONTACT PERSON: Eliot E. Appleton, (209) <br /> 97,1-7,770 <br /> REVIEW OF WORK DONE 11/06/1991 UNDER APPROVED WORKPLAN: <br /> The workplan as submitted had proposed 5, 10 ' deep hand-auger <br /> holes located approi*imately 1t-) feet concentrically around the <br /> ' site of the rerr.oveo LAST_ <br /> Work began on 11/06/ 1991 uEsi ng Jim Thorpe Oil equipment under the <br /> supervision of Wm. Hunter , RG. The first boring was located 12 <br /> twesterly from the tank site. Contaminated soil was encountered <br /> at 4 6" , and continuer) to approximately 4 '9" , when augering was <br /> stopped. No eviuence of water was noted. <br /> ' Because of the shallow depth of the contamination, it was decided <br /> 4_0 use the backhoe bucKet where passiale instead of hand <br /> ' caugering. A spot was measured 24 west of auger-hole #1 , and a <br /> -yarrow tr ollCh .vets oug to 7 ; contamination was noted below 6 ' . A <br /> soil sample was tatien a-r 7 using the DaCKhoe bucket. The trench <br /> ' was ref i l l eo Y,2 i-h the rc-mriveca spoil, <br /> The baclrhoe then move❑ to a location 24 ' south of the former UST <br /> site, and a trench vaas dug to 6 ' , where contamination was <br /> ' observed. The sail from the bottom was moist, but no free water <br /> t.as noted. No sample was taken , and the trench was ref i 11ed with <br /> the removed spoil . <br /> ' The backhoe was mo,reo an adcjitiona:l 9 ` farther south - 33 ' from <br /> the UST site - and a trench was dug to 7 A strong petroleum <br /> 1 10 cador was noted below 6 6" in sandy clay. A soil sample was taken <br /> 1 <br />