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� V <br /> J <br /> –7 % EXPLANATION. <br /> (�) I (21) v '� <br /> Parking Area <br /> B-18 j 8-5 Soi, Boring/Monitoring Well <br /> B--13 <br /> Soil Boring/Vapor Well <br /> B-4 ; <br /> � � a <br /> (<2) B ami B–g Soil Boring <br /> • <br /> 8-13 - - Pumping–Test Well <br /> B-11 J 1 {12} 1 — <br /> f <br /> 4300 f A <br /> IW Underground Storage Tanks <br /> L_ — — _J T1 12,000–Gallon Unieaded <br /> ��a dos' Gasoline <br /> BR, I T2 12,000---Gallon Unleaded <br /> v <br /> W Gasoline <br /> i ♦ i I 3 <br /> > <br />' Station —— — ^ — �® – — Q r Approximate Limits of <br /> Building B-6 r E– ---=�-= 1 =Tr Tank Pit <br /> T2 1) 8-5 <br /> (430 0) Concentration Of Total Petroleum <br /> 40 ® i I ®B_12 Hydrocarbons As Gasoline (TPHg) <br /> I T2 I I T1 ��� 1(3 3) 0 In Parts Per Million (ppm) <br /> I I I I ice® Q o Line Of Equal Concentration Of <br /> ! I 1 1 Total Petroleum Hydrocarbons <br /> > As (TPHg) In Parts Per Million <br /> I I I I I I o (PPM) <br /> L L -- L— J J <br /> B---10 B-9 <br /> 1 B-3 <br /> (<2) <br /> Driveway Sidewalk <br /> Sidewalk <br /> MARCH LANE <br /> Source: Map modified from site plan 20 0 20 40 <br /> provided by Unocal and Monitoring <br /> wells surveyed by Tom 0 Morrow, Inc Appr ximate Scale {feet) <br /> I <br /> � CONCENTRATION OF TPHg IN SOIL (45-56 FEET) PLATE <br /> WDffjWcwMA AS Unocal Service Station No. 6981 <br /> 4707 Pacific Avenue 10 ' <br /> 1 FILE NO <br /> PROJECT NO. 38032 80,32J88S#ockton, California <br /> 1 <br />