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WORKPLAN <br /> for <br /> RE-EXCAVATION &. RESAMPLE� <br /> 21167 No TRETHWAY ROAD <br /> ACAMPO, CA <br /> SITE CODE 4359 <br /> Prepared by <br /> Wm J blunter &, Associates <br /> 6aptember 25 , 1991 <br /> Revised October 18, 1991 <br /> 1 . Move in Jim Thorpe Oil, equspment, remove pump house and <br /> associated piping and electrical lines located at southwest <br /> Corner of existing excavation. <br /> 2 , Remove approximately 5 feet of material from the south <br /> wall and southeast corner of the existing excavation , under <br /> the direction of Wm J , Hunter & Associates pe,rsonel . Spoil <br /> to be placed on plastic: adjacent to existing pile located <br /> to the west of the excavation Lt is estimated that a <br /> maximum of 152 cubic yards will be removed from this area, <br /> the actual amount will depend upon evaluation of the site <br /> during excavation. <br /> • 3 Remove approximately 3-5 feet of spoil from the north <br /> wall in the vicinity of previous sample #4 , actual amount to <br /> be determined as excavation proceeds ; *zti.mat ed to be 47 <br /> cubic yards <br /> 4 . Using the backhoe bucket, obtain samples from the sides <br /> and bottom of the newly excavated areas under the direction <br /> of the geologist and the repro sentative from the County , <br /> aamples to be collected in properly cleaned brass tubes <br /> supplied by kGL Environmental , sealed, labeled, Mored, and <br /> transported to the .lab under proper chain of cuistody <br /> Pruyvsed re-excavdtion areas and Sample Iocations are shown <br /> on Exhibits A, B, & C <br /> 5_ Samples to be analyzed for BTEX, TPH-G, TPH-D, EDB, and <br /> TOG, using test procedures and detection iimitz as specified <br /> by Try-Regional Recommendations and EHD <br /> 6 Excavating and sampling operations to be witessed by a <br /> representative of the San Joaquin County EHD <br /> 7 Spoil removed from the re-excavation will be sampled as <br /> directed by the geologist & the County represen <br /> will be tested for TPH-G, TFH-D, EDB, and oil & <br /> r, $ <br /> ()CJ 18 1991 <br /> EN PTESLTH <br /> ERMIISWICE <br /> 8 <br />