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Y <br /> 7PHg<5 <br /> B <510 <br /> MBE 87 <br /> TPHg <50 ' <br /> ' 8 <o � <br /> UWE <2 D f <br /> MW-7 � <br /> II <br /> 1 <br /> r <br /> tWAY o <br /> EAST HAS <br /> DING <br /> B <050 <br /> MffiE <20 � <br /> O <br /> DRIVE <br /> QW, 950' Q65'� @77 I <br /> TPH9 58000 rPHg 36 00D my <b p T" V Mw-5 <br /> ' $&2 8 4500 B 7,7017 B <0.50 8 <050 4 <br /> MaBE 180000 MDSE 37000 MOE 4 7� M26E 78 <br /> pRn+� PUMP �+ <br /> ISLANDM I <br /> SVE-1 No <br /> ' NS <br /> SAH � �` SPHTPHg <500 � <br /> MW_3 B <50 <br /> f — AC Mw-i ,ISE <br /> f <br /> TPHg <50 PAVING <br /> ' v B <05a <br /> MasE <br /> AC 4 <br /> PAVING PUMP <br /> ISLAND � <br /> r <br /> 7PFIg 2001 BUILDING <br /> 8 i2 1 l m <br /> MDSE <2 0 Z y y <br /> MW 9 —'l ' N 1 1 <br /> LEGEND AC <br /> PAVING <br /> TPH9<5 TPHg <50 TPH9 <50 7PHg <50 <br /> SOIL VAPOR EXTRACTION WELL ~� I FORMERAND +yryBE 1 g 0 B <050 B <050 B <050 <br /> _ `~+ S MDSE 2400 MDSE 1s' MZW <20 <br /> GROUNDWATER MONITORING WELL � �~1--r-'�� �v EXISTING USTs l <br /> • SOIL BORING m 4 t 5&1 + <br /> p SPH SEPARATE-PHASE HYDROCARBONS rn l ` \y1y MW z 4 <br /> r WS NOT SAMPLED l <br /> I' co 11' AREA OF OVER EXCAVATION DURING 1999 <br /> E 1 J UPGRADE ACTIVITIES {i <br /> Cr I ft <50 it <br /> # o CHEMICAL ANALYTICAL RESULTS B c050 <br /> r MTBE <20 <br /> Z ANALYTE <br /> 0 7PHg <50 MW$ <br /> TB <D50 CONCENTRATION IN ppb <br /> U M1BE <20 <br /> C4 0 40 8o <br /> r <br /> O <br /> N APPROXIMATE SCALE FEET <br /> O/ ANALYTES f <br /> TPHg —TOTAL PETROLEUM HYDROCARBONS <br /> AS GASOLINE DRAWN <br /> B —BENZENE <br /> PR FIGURE 5 <br /> MDSE —METHYLTERT BUTYL ETHER APPR CH ARCO SERVICE STATION <br /> #4932Cr�O� B R <br /> Internatsonal DATE STOCKTON CAUFORNIA <br /> REFERENCE THIS FIGURE IS BASED ON A"SITE PLAN"PROVIDED Incorporated JOB N0 15AUG2001 � <br /> U BY ARCO,AND IS INTENDED FOR ILLUSTRATION ONLY 077 43286 330 CHEMICAL CONCENTRATION MAP <br /> � <br /> � I <br /> %h <br />