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101111111 111,11,1111111, ''I'll N' U <br /> WEISS ASSocL4 n5 VM <br /> John Randall <br /> 3 May 1989 5 <br /> TABLE 1.Ground Water Elevation Data,Chevron Scrvice Sta tion#96465,Stack ton,California <br /> (continued) <br /> Top-of-Casing Depth to Ground Water <br /> Elevation Water Elevation <br /> Well ID (late (ft above mst) (ft) (ft above ms1) <br /> MW-7 2-04-88 8.69 28.08 -19.39 <br /> 6-28-88 29.22 -20.53 <br /> 0. <br /> [2-16-88 30.93 -22.2244 <br /> 3-23-89 32.24 -23.55 <br /> 32.24 -23.55 <br /> CHEMICAL ANALYSES <br /> The ground water samples were analyzed for total purgcable petroleum hydrocarbons <br /> (TPPH) by modified E13A Method 8015 and for benzene, cthylbcnzcne, toluene and xylenes <br /> (BETX) by EPA Method 602. The results of the water analysis arc presented in Table 2 and <br /> the analytic •eports are included as Attachment C. Analytic results for this quarter are <br /> generally consistent with historic analytic results. <br /> We appreciate the opportunity to provide hydrogeologic consulting services to Chevron <br /> and trust that this report meets your needs. If you have any questions, please call Sharon <br /> Halper. <br /> "j0 0 GEp Sincerely, <br /> � D B ��G Weiss Ass ciates <br /> hk <br /> No. EG 1112CERI[ Robert E. Kita <br /> NGINEFIEt] Staff Gcolo isy <br /> . {r ENGINEERING ,� S [ <br /> GEOLOG'5T <br /> 1:• �TgtE OF <br /> Richard B. Weiss <br /> frt�ft: Principal Hydrogeologist <br /> REK/RBW.rern <br /> F:`A LL%Cn F V X305 L3A25.W P <br /> Attachments:A - Water Sample Collection Records <br /> B - Chain of Custody <br /> C- Ana;ytic Reports <br />