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• B-7 / \ 3 EXPLANATION. <br /> (<1) l (2 1) D <br /> % W B-5 Soil Boring/Monitoring Well <br /> Parking Area <br /> (3 6) 1 <br /> l B-13 <br /> B—h l a - - Soil Boring/Vapor Well <br /> (<2) .`L'� B-2 i Q) B-9 Soil Boring <br /> =x.100 -�.�.—.*% (200) �� • <br /> 8-13 -�- � Pumping-Test Well <br /> �8-11 'Y(12) <br /> {4300} �/ / <br /> _ I- I I Underground Storage Tanks <br /> W L - - I 1 T1 12,000-Gallon Unleaded <br /> Gasoline <br /> Z i T2 12,000-Gallon Unleaded <br /> L Gasoline <br /> 1 � I <br /> JQ Approximate Limits of <br /> Stateon ng B -�_ —,���,rr Tank Pit <br /> Build <br /> ( 1) I ! 1 I I � / B-5 <br /> (<2) (4300) Concentration Of Total Petroleum <br /> \0 12 -- i Hydrocarbons As Gasoline (TPHg) <br /> I T2 I I T1 ��� 1 3 3) U1 In Parts Per Million (ppm) <br /> ! 1 ! I I <br /> Q Line Of Equal Concentration Of <br /> 1 I 1 Q- Tota! Petroleum Hydrocarbons <br /> 1 I I I As (TPHg) In Parts Per Million <br /> I L I I (ppm) <br /> L — <br /> 1 <br /> B-10 B-9 } <br /> B--3 <br /> (<2) <br /> Driveway Sidewalk 1 <br /> Sidewalk <br /> MARCH LANE <br /> � <br /> Source: Map modified from site plan 20 0 20 40 <br /> provided by Unocal and Monitoring Approximate Scale (feet) <br /> wells surveyed by Tom 0. Morrow, Inc <br /> �■i► CONCENTRATION OF TPHg IN SOIL (45-56 FEET) PLATE <br /> 6981 N <br /> ti <br /> S <br /> Unocal Service Station o. 13 <br /> 4707 Pacific Avenue <br /> PROJECT NO. 38032 8fNE Stockton, California <br /> 032JBNOB ` <br /> i <br />