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_- ,•� ��. .� -Una a ulu 00a 004a 15ar, 4Uf4VUjKV �iV02 <br /> Lail <br /> _sSd6nee& <br /> IMI5*Uie,e,n--n— Inc- <br /> 14 <br /> Proiect No. 6-92^5009 <br /> Mr.Rarlia Knoll <br /> SCJ .,.Goun y PubYi,c.Hes[th ►ices <br /> . -..Fwim�ata�� l3ivi�iori'. • <br /> . .• StocIeton,•C�i�ort�•952Q1- - . . - - <br /> SUWE AT&T_Lodi Fac*, dY14.West Thrime San joaquim <br /> ..California(San.J(aguia County Site Code.No: 1741)- <br /> 'EV60runeatal ScEence &,-=o*=rirl,; Inc- (ESS;) sub itS maps.waorITI.-m.to conduct <br /> additional.subsaift.ce irtve tigatwu m the area of the former tank e=vation at the subject <br /> site.(Finre i-Site.Plan)_ 1'!re scope of work is based azo relepliome comv�oas lret <br /> KAY v r,:of ESii and Mr. Mrlin KnoH of the. Sari Joaqtft Counq Public Heal& <br /> $ervices,Envimllnmenw He lfh Division.(PUSS). As stated in the letter dated.March <br /> 2,1993,the PHSAUM regm=that a tirnal mveS-t=on of soil and groundwater at the <br /> site be conducted taefore site domrs wM be grante& the pmpose of this went is to: <br /> P'er am finiher USMSM in the a= of boring B-2Y, which reportedly <br /> contained wphalt clips, in order to define any residual =mtructian debris <br /> that tray remam W the subsAk,oe; <br /> • To assess if gromd 'water is impacted with petmievan hydrocarbons <br /> dbwiwa&e t of the former tank pit <br /> - <br /> ..Sita Background <br /> I late October and early November,-1990 FSE driHed five borings (three were converted <br /> to monitoring wells) within and irke-3 the formear:excavation (Figure 1). Soil baring B=2Y <br /> was ternr�ated at an approxEmate depth of 15 feet below ground surface fts) due to auger <br /> refer by construction debris 'whack may .represent Emgme� of backfill material or <br /> m <br /> re vairts of the grade ft�l scat A:composiw grab sample of sod cutter reported to contain <br /> wohalt cI*s ,was coDected at t'he direction of a Cotton repreSenfttive and analyzed. <br /> Coon of Total Petraleipiit. Hydrocarbom as Diesel CrM-D) was reported at 1.14 <br /> ma[�ligrams Per Krlogr=(m&Yg)in this soft sample. The analytical results of sua samples <br /> collected kan sod borings MW-1, MW-2, and MW-3 Oaw omwerted to gmund water <br /> izonhorring wetly) and &2X reported co> -atio�ns of TPH D less than 4 mg/ <br /> . i <br /> 4.M Nce!§m Avenue,5w"tc5. Concord,CA94-5-20Phone(5[0)685-4 _-a Fax 1D?6$�ra�23 <br /> I <br />