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' I <br /> i <br /> i <br /> IBLOCK WALL <br /> I I ! pLANAT O <br /> li B-9/MW-4 I Sorl Boring <br /> ' (<1 0/0 048) + <br /> +, Soil Boring/Monitoring Well <br /> B-8/MW-3 <br /> N I ' Soil Boring/Vapor Extraction Well <br /> D (<1 0/0 043) I I , <br /> I B-10/VW-5 I <br /> O (<1 0/0 030} m Sail Boring Air Sparge Well <br /> +B 4/VW-2 i n� o Sparge Monitoring Point <br /> 7 <br /> (74/033) STATION w I BUILDING n Well Destroyed <br /> B-22/MW-7 0r✓ <br /> (<1 0/<O 005) <br /> I Ln PUMP (130/023) CONCENTRATION OF TOTAL PETROLEUM <br /> O n ISLANDS ¢ HYDROCARBONS AS GASOLINE/BENZENE <br /> M IN SOIL MEASURED IN PARTS PER MILLION <br /> :E Ld 0��� (PPM) <br /> ESTIMATED LIMITS OF RESIDUAL TPHG IN <br /> 8-15/VW-10 —.•+ �+,� 1 DEEP VADOSE ZONE AND CAPILLARY <br /> k i ��� 1 VW-6 B-12/VW-7 <br /> �..� {22/1 7} B-13 B_1 {13 1 w(<1 0/0032) FRINGE SOIL (40-61 FEET BELOW SURFACE I <br /> I 20/1 3)-r (1400 13,1 _. GRADE) CONCENTRATIONS >100 ppm <br /> P-1 fi/MW-5 53 L ` T4 <br /> i BUQ/0524 58/0 1}( 1 Former Under ro d <br /> B-17 A�r-1oj�N L — Storage Tanks 8-6/M -2 ) <br /> (<1 0/0 049 <br /> B-2/MW-1 B 20/MS-3 <br /> (<10/0 073) B-18/ <br /> 8/ �13.� �MS-2 , B-3/VW�]/� <br /> i13-14 "— ^� <br /> (26/021) BACK OF SIDEWALK <br /> DRIVEWAY +B-21 MW-6 <br /> CI 0 40 005) <br /> I <br /> " HAMMER LANE ' i <br /> B-23/MW-8 <br /> 4, (<1 0/<O 005) <br /> u <br /> 30 0 30 60 <br /> Source Map modified from map provided B-25/MW-10 B 1241 <br /> by TOM 0 MORROW INC (<1O/<0005) Appr imate Scale (feet) <br /> RESIDUAL HYDROCARBONS IN SOIL 40-60 FEET BELOW'' SURFACE GRADE PLATE <br /> ARCO Service Station No. 2130 <br /> FU NO 7906 North EI Dorado Street 11 <br /> PROJECT NO. 30003 000wC Stockton, California <br />