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04 EXPLANATION <br /> T • MW_4 Block wail O Monitoring well <br /> �(«a/<fl 5/<2•) _ Remediation <br /> equipment <br /> F �1 f MW-3 - Vapor extraction well <br /> w W (<50/<O 5/<2*) j <br /> o M Air sparge well <br /> W i VW-5 <br /> I~ VW-----------2 + - Sparge monitoring well <br /> I <br /> 41 <br /> X Destroyed well <br /> i - <br /> N I <br /> ma p <br /> ©Mw-7 a ; ; STATION - ------- Vapor extraction/air <br /> («0/<05/<2*) Dispenser I BUILDING sparge piping trench <br /> n i � <br /> Ca all, CD ,r I Islands i ' - <br /> - —J Underground storage tank <br /> C) <br /> ' o Conductor casing <br /> a _ +vw-7 <br /> vW--10 VW-8 vW-11 j (201/2 84/14 1) Concentration of total petroleum <br /> vw-6 I hydrocarbons as gasoline (TPHG), <br /> o _ ----- `--T----4 benzene, and MTBE in groundwater <br /> (<50/614j 86�p ; (ug/L), samples collectd 9/2/99 <br /> VW-4 VW-3 ��®tom r1 <br /> `---- < Not detected at or above the <br /> ----- - ----- i SAS-2 AS-3 MW-2 <br /> A5-1�; * *MSS 3 I I 1 i @)(4820/764/56*) Indicated laboratory detection limit <br /> • <br /> (2W/11 04/<2*) MS �I` /Ion � � �_°L ���--- VW-12 Analyzed by EPA Method 8260 <br /> VW-9VW-1--- -- <br /> MW-6 <br /> Sidewalk _T Driveway d(201/2 4/<2*) <br /> HAMMER LANE SCALE <br /> 0 30 60 FEET <br /> Source Base modified from drawing <br /> Myy_g provided by RESIVA <br /> ARCO PRODUCTS COMPANY <br /> MW-10@ 3KMW--9 SERVICE STATION 2130 <br /> (152/<O 5/<2*) <br /> FIGURE 1 <br /> GROUNDWATER ANALYTICAL SUMMARY <br /> THIRD QUARTER 1999 <br /> 7906 NORTH ELDORADO <br /> STOCKTON, CALIFORNIA <br /> SANJOSE/CARD N\c0d\DWG\PINACL\2130\2130chem dwg Tue 02/Nov/99 12 51am Wack <br />