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XPLANATION <br /> j3-16/ <br /> • MW-11 B-19/MW-131 <br /> (<0 5) 8-i 7/ <br /> /2 Soil Boring/Monitoring Well <br /> (<O 5) <br /> w <br /> B--13/VW-4 <br />• 'v�'�®�~- - ��o0`a j - oil Boring/Vapor Well <br /> PTW-_*L��''o C►umping-Test Well <br /> \e <br /> ���� oe� L�. — J n <br /> 000 <br /> derground Storage Tanks <br /> ® ` r T1 12,000-0allon Unleaded <br /> Gasoline <br /> s ®<3 e-8/MW-7 1 i T2 12,000-Gallon Unleaded <br /> B-7/ s°(l000) 0117'r Q a1 Gasoline <br /> Parking Area ® MW-6o e 9 N <br /> (3 6) T j '°� I i 0 <br />• ® ; i PT,,;8/ i pproximate Limits of <br /> E31 W-4 i ® i e ➢ i L � _J ank Pit <br /> ® (arY) 9__8-2 W-22 3-1,3/4S B <br /> � 47° � • g r 8-19/MW-13 <br /> 0 —-A — 8y�1� h4 � � (<O 5) <br /> Y o B <br /> Station ' e (1000) enzene Concentration In <br /> 8ut14€ng �� -5w 5 o' round-Water In parts <br /> 1 A er Bfiljon (Ppb) <br /> 11 ® B— / �'F��" r) <br /> ® 'o (OrIT2� 1T1 I uw23 op <br /> a <br /> ~ ® ine Of Equal Concentration <br />' MWi s L_ u uJ o �4 500 f Benzene In Ground- Water <br /> B-15/ (.Co5) O g-1/MW-1 s-3/MW-3 v0 I Parts Per Billion (ppb) <br /> Mw-10 > (Dry) (Dry) � �� <br /> (�5) SFdawalk `�` urjwway Sidewalk <br /> I <br /> MARCH LANE <br /> N <br /> Source Map modified from site pian 0-14/ <br /> provided by Unocal and Monitoring MW-9 (ros) 50 1 0 25 50 900 <br /> wells surveyed by Tom 0 Morrow, Inc Appra lmate Scale (feet) <br />� fir_ BENZENE CONCENTRATION IN GROUND WATER <br /> �-- First Quarter 1993 PLATE <br /> Unocal Service Station No. 6981 <br /> FILE 190� 4707 Pacific Avenue <br /> PROJECT NO. 38032 8032,158 Stockton, 14 <br /> Stockton, California <br />