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.r <br /> tiVuk�il:ui lur Soil ki. a�a3�"" - ���� <br /> f'G.AE'> SIAC C'cntcr <br /> N „rmh�r 7, �yy? <br /> P;,r. 2 <br /> excavated. If possible, clean uverhurden will he separated on site prior to stockpiling. Excavated soil <br /> Will he underlain and covered with plastic Sheeting. A decision to remove o]' remediate impacted Sail will <br /> he made ata later date. A Photoionization Detector (PID) will be used during excavatialn to assist in <br /> ev�tluatin�� the lateral extent elf Sail impaction. Btickfilling of the tank hit will he accomplished using self <br /> conlhactin'_' clean imported till. <br /> Following excavation, approximately nine verification samples will he CUllected from the excavation. The <br /> ,amplea ��ill he collected troth elle sidewalk and floor of the excavation. Exact number and locations of <br /> sample, Will he determined in the field under the direction of the San Joarluin County Public Health <br /> SCI VI,:es/Envivonmental Health Division. <br /> All veritication Soil samples will be collected from the hackhoe bucket at least three inches below the <br /> surface of the soil. "I'he ,amples will be collected into prewashed brass liners. Each liner will he sealed <br /> with Teflon ,hest and plastic daps, Secured with duct tape. Sealed in air-tight ha-S. rind preserved un ice <br /> pendinLI shipment to it state-certified laboratory. <br /> Soil sample, will he trimsported under chain-of-custody to a State-certified laboratory for analysis of PCBs <br /> using LPA method 8080. tol,tl oil and grease using S'.M5520B/E, benzene, toluene, ethylhenzena, and <br /> xylenes lv�ino LPA nmetllod 8020, ,end lot,tl petroleum hydrocttrhunS "IS diesel with a fuel fingerprin€ using <br /> modified L:PA method 8015. Soil sample collection and transport will he performed in accordance with <br /> the QualitN Assurance and Quality Contr()l Plan provided in Attachment 3. <br /> Repaarl Prepar'alion <br /> Fullo�rin�� c��mpletiutt �It' tk2ld ,tetivitle. send re.eipt of I,lhoratory ,maly,eS, field activities and results will <br /> be sumnru'ized in it technical report. The report �k i11 include it discussion of site history_ , local <br /> hvdn}geologic .;c[tin,. Iield activitie,. ,end laboratory resultS. <br /> It vot] haVO AM (IueStion, or comments please contact Bill Channell at (209) 838-3507. <br /> Respecttull� . <br /> RI_SNA Induslrtes Inc. <br /> .Marcie R. McCabe <br /> StaiT Geolo�_,ist <br /> < Z <br /> GI'e_oy%r P. S[,1111 <br /> CA Reoi:tered Geolo-i,t No. 502 i <br /> Attachments <br /> pc: S1r. Hill Frazier. Pacific Gas Llectric Co. <br />