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au.x...,..,t ..0 ..,., , . .._._. :.. . 1'ya4L.,u. s S ......... _. .a ,. _..._. �..,... ,u ,•r�..�r.. <br /> SSA—EMR-004 <br /> Q SSA—EMR— <br /> (20- <br /> CIO <br /> SA—EMR—(20 --�—oT--- ND <br /> NO I I z Ili I <br /> l7 I I N <br /> FORMER 4,000— <br /> ' SSA—EMR-002 w GALLON DIESEL <br /> ITANK <br /> N <br /> 3m (17 ) SSA—(1M8) 007 i (REMOVED 5/2/96) <br /> <a 18 ppm gasoline <br /> U. <br /> o i 0.019 ppm benzene NO <br /> 0.020 ppm toluene <br /> 0.34 ppm ethylbenzene 2 I SSA—EMR-006 SSA—EMR-005 <br /> 1.1 ppm total xylenes I (20') I (16') <br /> 0.73 ppm MTBE I NO NO <br /> 1 ' I <br /> SSA—EMR-001 <br /> <FORMERUNLEADED I I(15') GALLON (STP—EMR-002) <br /> E TANK <br /> 3400 ppm gasoline (REMOVED 5/2/96) SSA—EMR-003 11 ppm gasoline <br /> tD m 3.7 ppm benzene I (17') I 0.038 ppm toluene <br /> o 59 ppm tolueneI I I 0.057 ppm ethylbenzene <br /> 0 39 ppm ethylbenzene NO 0.41 ppm total xylenes <br /> a 1 ppm total xylenes —— —— <br /> � $ 4.9.9 ppm MTBE <br /> (STP—EMR-003) EXCESS <br /> OVER EXCAVATION 260 ppm gasoline DD <br /> ENERATE ` I <br /> CL ------ CKPILE 0.49 ppm benzene DURING i <br /> to <br /> 1.9 ppm toluene SAMPLING — —— <br /> 2.8 ppm ethylbenzene <br /> 20 ppm total xylenes <br /> ® ®________ 0.31 ppm MTBE <br /> STOCKPILE I <br /> r ® (STP—EMR-001) <br /> FROM DIESEL <br /> I I <br /> I NO STOCKPILE FROM UNLEADED r' I I TANK EXCAVATION r <br /> j GAS EXCAVATION li <br /> ® ------------- <br /> APPROXIMATE <br /> / ---- ---,J <br /> -- <br /> APPROXIMATE SCALE <br /> 0 5 10 FEET <br /> LEGEND <br /> 8 ORIGINAL VERIFICATION SOIL SAMPLE LOCATION <br /> FIGURE 2 <br /> 0 OVEREXCAVATION VERIFICATION SOIL SAMPLE LOCATION (5/3/96) SAMPLE LOCATIONS AND <br /> ® FOUR POINT COMPOSITE SOIL SAMPLE LOCATION ANALYTICAL RESULTS <br /> PACIFIC BELL <br /> ppm PARTS PER MILLION 2300 E. EIGHT MILE ROAD <br /> STOCKTON, CALIFORNIA <br /> MTBE METHYL TERTIARLY BUTYLETHER PREPARED FOR <br /> PACIFIC BELL <br /> NOTE: SACRAMENTO, CALIFORNIA <br /> NEW 15,000—GALLON SPLIT TANK WAS INSTALLED IN THE EXCAVATION INTERNATIONAL <br /> EXCAVATION ON 5/9/96 (5.000—GALLON DIESEL COMPARTMENT AND <br /> 10,000—GALLON UNLEADED GASOLINE COMPARTMENT). TECHNOLOGY <br /> CORPORATION <br /> STKSITE(DP241 <br />