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i <br /> I � <br /> r� <br /> A —27/VW-16 A9 <br /> NORTHWEST B B VW B-25/VW-15 SOUTHEAST <br /> B-7 B-10/VB-17/VW-8 -B-20/VW-17 <br /> B-20/VW-10 PATTERSON <br /> SITE PASS RD VFiLDT r V-18 <br /> 00 00 11 <br /> DEPTH 41 42 DEPTH <br /> (ft —BGS) l 10� \ 0 �� (ft —BGS) f <br /> 0— 2Z200 4,300 1,100 \ \ c! 0 �� <br /> 310 �` Z200 <br /> �20— x.500 20� �D I <br /> 1l 350 1'400 y- EXPLANATION <br /> <10 <br /> 7N1\\ 3,800 22 10,000 4,900 SILT AND CLAY <br /> \ \\ � <br /> 40 J �� 0 / 17,000 a,T_40' 1 o 40 SAND AND SILTY SAND <br /> � 1 6 2100 <br /> <1 0 <1 0 4ris 400 ` 1 -� __ <1 0 <br /> 23 7 n <br /> TD=52 5' 1 r i ��O�U \ ` v _ TPHG ISOCONCENTRATION LINE <br /> 60 � D f r � 0 �. (mg/kg) <br /> TD=61' =61' 10 \ \ 16 GO ' GEOLOGIC CONTACT, DASHED WHERE <br /> n o 4 1� APPROXIMATE, QUERIED WHERE INFERRED <br /> \ 1D,00D \ <br /> ` 2s / 11 1 7,800 10,00 / f B-20,/VW--10 --- BORING/WELL DESIGNATION <br /> ` (DASHED WHERE PROPOSED) <br /> TD=76 5' 1 11 1 n D <br /> 80 <10 l J / $0 <br /> 1 / � TD=80' <br /> <1 0 1 1 / <br /> 3,200 <br /> 1<1 0 TD=88 5' D p0 3,200 TPHG CONCENTRATION <br /> TDD=90 5' '��` (m9/k9) <br /> V <br /> 100- E \ I/ 100 PERFORATED INTERVAL <br /> R <br /> T 0 <br /> 0 <br /> C TD=110' FILTER PACK INTERVAL <br /> s' L TOTAL DEPTH OF L120 TD=52 5' BELOW SURACE RADIEG (FEET) <br /> � 20 TD=11fi L I <br /> C 20 <br /> A <br /> a L <br /> o <br /> 0 <br /> E <br /> co <br /> AD A. 0 4D g0 DATE I FIGURE 3 <br /> N N DWN ARCO PRODUCTS COMPANY <br /> LA <br /> - - - - ' ' 40 APp ARCO SERVICE STATION NO 6100 <br /> m NMENTAL SOLUTIONSF HORIZONTAL SCALE IN FEET REV 25775 SOUTH PATTERSON PASS <br /> VISION OF EMCON E PROJECT NO TRACY, CALIFORNIA <br /> T 20605-15240$ TPHG IMPACTS ALONG CROSS SECTION A-A' <br /> zo <br />