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A B-27/VW-16 A9 <br /> NORTHWEST B-22/VW-12 B-25/VW-15 SOUTHEAST <br /> B-11/VW-3 B-9/VW-4 <br /> B-7 B-10/VW-2 8-17/VW-8 8-20/VW-1 FENCEB-20/VW-10 <br /> SITE PATTERSON VACANT <br /> PASS RD FIELD r V-•-18 <br /> 00 <br /> 00 <br /> � -� DEPTH i <br /> DEPTH +rte 42 <br /> (ft —BCS) �o� �� �~� (ft —BGS) <br /> 2 1.100 a o <br /> 3000 '10 --� ++ <br /> <10 f—3310 2.200 ,� I <br /> 20— �� �� r � s— oto 20 I <br /> ll r 3s0 1,400 ' 1 EXPLANATION <br /> 11 � <br /> 10,000 4,900 I ` SILT AND CLAY <br /> d 0 \ \\ 3,800 22 � <br /> l 1 � <br /> 40 J `� / r 1�,00o f a,00 <l0 40 SAND AND SILTY SAND <br /> TD=40 <br /> -� <br /> _f 2,100 a o <br /> 404 d 0 6,400 <br /> r "~ i.OQO 23 ~ 10 I TPHG ISOCONCENTRATION LINE <br /> TD=52 5' r loo \ ` — (m9/k4) <br /> i <br /> 60 — <1 0 — 10 �— 16 60 <br /> � o TD--61' -61' 47 \� / GEOLOGIC CONTACT, DASHED WHERE <br /> APPROXIMATE, QUERIED WHERE INFERRED <br /> If 10,� <br /> �1 28 / — 1 f \1 �.aoa 10,00 ` / B-20, -10 — BORING/WELL DESIGNATION <br /> I IN (DASHED WHERE PROPOSED) <br /> TD=76 5' 1 11 a o <br /> 80 o 80 <br /> 11 � TD=80 <br /> <!0 1 3.200<1 0OO <br /> ' 3,200 1mHG CONCENTRATION <br /> TD=90 5 <br /> 100 E \\ // 100 PERFORATED INTERVAL <br /> R <br /> T <br /> I ° o <br /> C TD=110' FILTER PACK INTERVAL TOTAL DEPTH OF BORING (FEET) <br /> 18 A TD=52 5' BELOW SURFACE GRADE <br /> TD=116' L 120 <br /> 120 <br /> S I <br /> A 20 I <br /> L <br /> d <br /> E <br /> FIGURE 3 <br /> o - I DATE <br /> 0 40 80 OWN ARCO PRODUCTS COMPANY <br /> N 4,0 APP ARCO SERVICE STATION NO 6100 <br /> F REV 25775 SOUTH PATTERSON PASS <br /> r ENVIRONMENTAL SOLUTIONS E HORIZONTAL SCALE IN FEET PROJECT NO TRACY, CALIFORNIA <br /> A DIVISION OF EMCON E 20805-152008 IPHG IMPACTS ALONG CROSS SECTION A-A' <br /> _ �� T <br /> r %m <br /> Zo <br /> I <br />