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1 <br /> 1 <br /> J- —: BLOCK WALL <br /> MW-4 I <br /> <0 5 <br /> 1 <br /> <05 <br /> t <br /> 4 { , <br /> <0<0 <br /> 5' <br /> I <05i <br /> I <br /> t � � VW 5* <br /> I <br /> 40 <br /> 1 I ! 1 2 [ 6 0 <br /> I I I <br /> <05 <br /> I <br /> 1 1 I 1 <br /> STATION <br /> IO[ <br /> MW 7 BUILDING <br /> 1 <50� <br /> 1 <0 5 Mspenser <br /> <051 1 I Islands <br /> I m G VW-10* (F)VW* <br /> 160 l i <br /> 14000 r V W-8* <0 5 <br /> z 2100] 290 (•)VW ti* t VW-6 11 J <br /> Q I [<146 G, 5 (NS) <br /> 1 <br /> 0 <br /> l <br /> 4 x 1l'0* PAW M 5 098 <br /> 50 [ I <br /> q t <br /> [093]0 [<0 5 est AS-3<05 20/A� VW-3* AS 2 <br /> « MW 2 <br /> I I dd1 189 <AS 1 099 < 50MW1 *A 2 5 <br /> I 1 <�]MS 1AIMS18r VW-12'E <br /> yt [<0.5 (NS)[82 ] * 120 <br /> <05 10 r VW 1 <0 5 yyy_g N64 <br /> [2 6 ] <br /> NS <br /> t ` MS 2A1MS-2B* ( ) — — <br /> ^�_ <br /> <0 5 0 65 DRIVEWAY � MW-6 <br /> 079 <05 SIDLNALK 71 �— <br /> MS 3A A45-38* <05 <br /> [1 0<05 �1�00 <br /> V <br /> HAMMER LANE <br /> LEGEND <br /> c MONITORING WELL LOCATION TO-30' k.W-8 <br /> `• VW 1 VAPOR EXTRACTION WELL LOCATION <br /> A AS 1 AIR SPARGE LOCATION _ <br /> MS 1 SPARGE MONITORING WELL LOCATION 3I <br /> I L <br /> IAW 6 DESTROYED WELL LOCATION Scale In Feet <br /> Mw 10 <br /> <50 TPH AS GASOLINE CONCENTRATION IN MICROGRAMS PER LITER(ug1L) � FfW fl <br /> a <br /> 405 BENZENE CONCENTRATION IN ug/L <br /> LL <0 5 MTBE CONCENTRATION IN ug1L (NS) I <br /> (NS) NOT SAMPLED ; <br /> SAMPLES COLLECTED ON12i1a12002 GROUNDWATER ANALYTICAL SUMMARY FIGURE <br /> * SAMPLES COLLECTED 1211912002 A <br /> 2520 Venture Oaks Way Ste 250 <br /> Sacramento CA 95& � ARCO Factllty No 2130 ARCO Quarterly Groundwater 2 <br /> $ FAX (916)929-7283 7906 North EI Dorado Monitonng Report-4th Quarter 2002 <br /> m <br /> Stockton,California <br /> I <br />