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1 , <br /> I <br /> I <br /> I II i I <br /> {i <br /> BLOCK WALP <br /> EXPLANATION <br /> 11, i I I <br /> +B-9/MW-4 Soil Boring <br /> (<1 0/0 0075) i 1 I <br /> Q Sod Boring/Monitoring Well <br /> m B-8/MW-3 <br /> + Sod Boring/Vapor Extraction Well <br /> O{ (<I 0/<O 005) Sod Boring Air Sparge Well <br /> o <br /> +B-4/VW-2 0 Sparge Monitoring PointD (<10f<0005) BUILDSTATION <br /> n Well Destroyed <br /> Ld <br /> I I I B-22/MW-7 0 '�— <br /> i (<1 O/<O 005) V (3000/1 4) CONCENTRATION OF TOTAL PETROLEUM <br /> PUMP <br /> ISLANDS HYDROCARBONS AS GASOLINE/BENZENE <br />�I C' <br /> 17171 � � � ♦_ IN SOIL MEASURED IN PARTS PER MILLION <br /> (Ppm) <br /> I! 6-15/VW—,0 _ ¢ �O B-12/VW-7 ��► ESTIMATED''LIMITS OF RESIDUAL'TPHG IN I <br /> J (0 94/0 W— � 8 3 VW- r �(<1 0/<0 05) , SHALLOW VADOSE ZONE AND CAPILLARY <br /> ^'l ( /p _P-11 VW-6 4 � ' FRINGE SOIL (15---401FEET BELOW SURFACE <br /> B— (�Of0.21 — GRADE) CONCENTRATIONS >100 ppm <br /> )W VW-3 -----� ---- <br /> (1$ _/0 05) (46/00 5)r T2 "1 Former Under9fnd <br /> i + IL_'— Storage Tang B-6/MW-2 <br /> B-17/AS-1 -0 r --"1 1 0/<0 005) <br /> i <br /> B-2/MW-1B-20/MS-3 8-18/MS l B-19/MB-3/VW-1 <br /> (3000/1 4) <br /> B-14/VW-9i <br /> 1 0/<O 005 / BACK OF SIDEWALK ._ '� <br /> DRIVEWAY '�'B-214 —lMW6 <br /> ' 1 <br /> 1 <br /> i I <br /> i <br /> HAMMER ' LAN E <br /> B-23/MW-8 <br /> I <br /> 30 0 30 60 <br /> Source Map modified from map provided B-25/MW-10 —24 <br /> by TOM 0 MORROW INC Approximate Scale (feet) <br /> I <br /> RESIDUAL HYDROCARBONS IN SOIL 15-40 FEET BELOW SURFACE GRADE PLATE <br /> -�� <br /> � ARCO Service Station No. 2130 10 <br /> 7906 North EI Dorado Street <br /> PROJECT NO. 30003 0003J7A Stockton, California <br />