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Symbols&Abbreviations: <br /> --=Not analyzed/applicable/sampled/measured <br /> <=Not detected at or above specified laboratory reporting limit <br /> TOC=Top of casing <br /> DTW=Depth to water in ft bgs <br /> NS=Well not surveyed <br /> pg/L=Micrograms per liter <br /> 1,2-DCA=1,2-Dichloroethane <br /> DIPE=Diisopropyl ether <br /> EDB=1,2-Dibromoethane <br /> ETBE=Ethyl tert-butyl ether <br /> MTBE=Methyl tert-butyl ether <br /> TAME=tert-Amyl methyl ether <br /> TBA=tert-Butyl alcohol <br /> GRO/TPHg=Gasoline range organics <br /> Footnotes: <br /> a=MTBE method EPA 8020 • <br /> b=Past holding time <br /> c=Grab sample <br /> d=Pump in well <br /> DRY=Well dry during gauging;not sampled <br /> INA=Well Inaccessible;not sampled <br /> N=Identity of contaminant uncertain(hydrocarbon pattern atypical of indicated analyte);see lab report <br /> NP=Well not purged prior to sampling <br /> SYS=Sample taken from system <br /> VOL=Well not sampled due to insufficient volume of water in well <br /> Notes: <br /> The data within this table collected prior to August 2013 was provided to Broadbent&Associates,Inc.by Atlantic Richfield Company and their previous consultants.Broadbent&Associates,Inc.has not verified the accuracy of <br /> this information. <br /> Water level elevation in wells containing LNAPL were adjusted assuming a specific gravity of 0.75 for LNAPL. <br /> Beginning in the second quarter 2008,the carbon range for GO was changed from C4-C32 to C6-C12. <br /> Zone A Wells: <br /> Wells EW-1,EW-2,EW-3,EW-4,EW-5,EW-6,EW-7,MW-1,MW-2,MW-3,MW-4,MW-5,MW-6,MW-7,MW-8,MW-9,MW-10,MW-11,SVE-1,and SVE-2. <br /> or <br /> Zone B Wells: <br /> DM W-1,DM W-2,and DM W-3. <br /> Zone B'Wells. <br /> DM W-4,DM W-5,DM W-6,DM W-7,DM W-9,and DM W-10. <br /> Page 38 of 38 <br />