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T 1 � <br /> HISTORICAL ANALYTICAL r,ESULTS OF SOIL SAMPLES " <br /> CHEVRON SERVICE STATION NO.9--4275 <br /> 2905 WEST BENJAMIN HCLT DRIVE,STOCKTON,CALIFORNIA <br /> ETHYL ,i <br /> DEPTH BENZEPEE TOLUENE BENEZENXYLENES TPH G'. <br /> PID TVH LffWOLOGY: DESCRIPTION/ <br /> DATE CONS. SAMPLE I.D. ft. BG I;pm pm m pm m m fPpm <br /> .06/26191 BTS PL#1 4 <br /> ND >ND ; ND', ND ND ENT <br /> CS COMM <br /> 06/26/91 BTS PL#2 3.5 ND :: ....... ND Np NDS <br /> 06/26/91 BTS PL#3 4 New product Imes <br /> N <br /> ND >::. ND ... ND: Nt7 ....>:. ND <br /> 06/26/91 BTS PLSTK#4 6-12 ND ND ND ND NR New product Imes <br /> 06/26/91 BTS PLSTK#5' 6-i 2 ND ND ND ND ND <br /> 03/03/92 GTE MW-6C 16 ND Nb ND ND ND g <br /> Sod Pram old product lines <br /> 43/03/92 GTI MW-7C 16 ND :`' ND i" NDT' ND ND - <br /> SM Sol <br /> rom oproduct 11r�es <br /> . I fld <br /> 2 CL <br /> 03/03/92 GTI VE(VW)-IA 16 10 82 52 230 2.700 6S SM <br /> 03103192 : GTI VE(VW)-TC 19 1.3 � :j 4 9 2.1 8.2 130 7D - SM <br /> 12/13J93. GTI MW-8-15 15 ND<.005 ND<.005 ND<,005 ND<.005 ND<1 <br /> 112113/93 GT] COMPOSITE -- ND' OW NDS 005, ','-"NE<005 ND .005 <br /> Explanation: Page s o 3 <br /> Cons..-. _ Consultant..:: <br /> WGA = Western Geologic Resources <br /> GTI = Groundwater Technology, Inc. <br /> PID = Field measurements of hydrocarbon concentration in headspace vapors using a photo—ionization detector <br /> TVH = Total volatile hydrocarbons — gas chromatograph measurements of hydrocarbon concentrations in sail vapor <br /> USCS = Lithology classified according to the United Soil Classification System <br /> ppm = Parts per million by weight <br /> ppmV = Parts per million by volume <br /> ft. BGS = Feet below ground surface <br /> ND = Not detected at or above method detection limits (MDL) — see analytical reports for MDL's if not listed <br /> --- = Not appficable/not analyzed/not recorded <br /> OP = Overlappin eak <br /> SSARTA81.M1 <br /> 02/07/94 <br /> GROUNDWATER <br /> U _ TECHNOLOGY <br />