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&72 v3 PM-45 <br /> A BEND IN SECTION 1 aro)4 MW 9 BEND IN SECTION AN <br /> Prof r a�dr S9-to <br /> sae sus <br /> Mw 1 v I Profs va 1 V-6prof Y V-5 pI4W8 prof za 0 <br /> i I <br /> � SO <br /> FORMER UNDERGROUND CL4Y/SILT Mw 12 <br /> STORAGE TANK COMPLEX - SILTY SAND <br /> t 10 <br /> r j CLAY/SRT <br /> z Hos14 CLAY/SILT <br /> t87WD t Nano L1J>� O <br /> w m <br /> w - <br /> U. <br /> z �mn !Limn tiJ�lR r alismf7 tmem 20 2 <br /> to <br /> O i0 - -_ NN4d1n r <br /> 4 SILTY CLAYEYSAN ,- Zm9mn L1 CLAYEY SAND/SAND <br /> r � <br /> lu <br /> l_ I ro <br /> " yQ <br /> mom CLAY/SILT 1,n"D gp z <br /> -20- — SILTO <br /> Hnmu <br /> 11 In <br /> a <br /> NUmn SAND/GRA _ £ r CREENED INTERVAL n <br /> y� I SAND PACKED INTERVAL(TYP) m <br /> >y0mut � 40 z <br /> LEt;m 30 CLAY/SILT 3mR <br /> i---"Mmwm <br /> yn� mCL4Y/SILT mPEA GRAVEL EXCAVATION 6ACKRLL ItIND 22M <br /> WW1 GROUNDWATER MONITORING WELL LOCATION AND DESIGNATION I I I I CLAY/SILT <br /> 315 4 L <br /> VI SONL VAPOR EXTRACTION WELL LOCATIONAND DESIGNATION Nam 50 <br /> 7mQ I'm �,� <br /> S&1 CONFIRMATION SOIL BORING LOCATION AND DESIGNATION Ilm <br /> V-8 PROPOSED SOIL VAPOR EXTRACTION WELL LOCATION AND DESIGNATION <br /> r — ' --------------------------- --- <br /> Prof PROJECTED ONTO UNE OF SECTION IN FEET , r <br /> 60 <br /> STATIC GROUNDWATER LEVEL,7-3696 CLAYEYSANI}/SAND <br /> SILTY CLAYEY SAND <br /> 1=TPH-0ENZENE CONCENTRATION IN SOR IN PARTS PER MILLION(ppm) ' <br /> 10—1 TPH-9 ISOCONCENTRATIGN CONTOUR IN ppm SANDY CLAY a~� 51L7Y CLAY <br /> � <br /> NOT DETECTED �O 70 <br /> �' — -- HISTORIC HIGH GROUNDWATER LEVEL,249 <br /> 9 --- HISTORIC LOW GROUNDWATER LEVEL,10-92 NOTE CROSS SECTION DEPICTS ANALYTICAL DATA COLLECTED AFTER <br /> OPERATION OF THE SOIL VAPOR EXTRACTION(SVE)SYSTEM(BLACK PRINT),AND <br /> f'1 CALCULATED HORIZONTAL RADIUS OF INFLUENCE OF PROPOSED ANALYTICAL DATA FROM SOIL BORINGS(GRAY PRINT)THAT PROVIDE ADDITIONAL <br /> SOIL VAPOR EXTRACTION WELL DATA THAT DEFINES THE EXTENT OF HYDROCARBONS REVISED NOVEMBER 29 1995 <br /> PACIFIC FORMER CHEVRON U S A.SERVICE STATION 9-1918 <br /> ENVIRONMENTAL SCALE 45 East Harding Way at El Dorado Avenue FIGURE <br /> GROUP INC HORIZONTAL 1 =20' Stockton California 7 <br /> VERTICAL 1 =10 GEOLOGIC CROSS-SECTION A-A'-AFTER SVE SYSTEM OPERATION(NOVEMBER 1990-NOVEMBER 1992) PROJECT <br /> 320-133 7B <br />