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EXPLANATION <br /> MW-4 Block wall p Monitoring well <br /> 19�(<50/<0 5/<2) _ Remediation <br /> �,� equipment Vapor extraction well <br /> CD Mw-3 <br /> °t (<50/0 54/<2) 1 <br /> Air sparge well <br /> � r-4 ; j Sparge monitoring well <br /> _2 <br /> T— I <br /> 4 ir---------- I ' Destroyed well <br /> I I <br /> Q U) air <br /> I ,' --- ------- Vapor extraction <br /> /air i STATION P / <br /> Q(<50/1 11/<2) f 1 Dispenser BUILDING ; sparge piping trench <br /> Islands 1 <br /> � Underground storage tank <br /> U Lij o Conductor casing <br /> r'--- I 4; -7 (987/66/59) Concentration of total petroleum <br /> i VW-10 Vw-8 VW--1 1 i <br /> �VW-s I t hydrocarbons as gasoline (TPHG), <br /> ---- ---�---- benzene, and MTBE 1n groundwater <br /> < i (<50/1 33/4 94)p 1 I I (ug/L), samples collected 3/31/99 <br /> L--- vw-4 d} 3IAS-21 < Not detected at or above the <br /> ------ � ----- � I I AS-3 I � Mw-2 indicated laboratory AS-1: *MS!3 1 I I l I I @)(98 7/6 6/5 9) ry detection limit <br /> • <br /> (15 O M2/<05/<2) LI\ JI�t � J �JJ --'O-VW-12 <br /> MS-1 ____ <br /> { VW-1 <br /> 0 VW-9 <br /> Sidewalk Driveway O 6Y76 G1 6 2 z <br /> V <br /> O <br /> -0 <br /> E <br /> CL_ l <br /> I o yI <br /> m rn <br /> I <br /> O O <br /> 0 <br /> HAMMER LANE <br /> v m 2 <br /> LZ <br /> w W o 0 30 60 <br /> Ir <br /> X W <br /> — 2 <br /> V <br /> M SCALE IN FEET <br /> r N <br /> M MW-8 <br /> U N <br /> QSource Bose modified from drawing <br /> a provided by RESNA <br /> a / <br /> Q <br /> Z Mw-10* —g APR 1999 FIGURE 2 <br /> (217/6 41/<2) DATE <br /> _ DWN ICAs ' ARCO PRODUCTS COMPANY <br /> APP SERVICE STATION 2130, 7906 N. EL DORADO <br /> l ENVIRONMENTAL SOLUTIONS REV STOCKTON, CALIFORNIA <br /> A DIVISION OF EMCON PROJECT NO ' GROUNDWATER ANALYTICAL SUMMARY <br /> r <br /> p 20805-114 010 FIRST QUARTER 1999 <br />