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In dCLordancc with the work plan, ( ondor conducted an additional soil and groundwater investigation on September 10, 15 and 18, 1997 at the site Four monitor wells were drilled, installed developed Surveyed and sampled as part of the investigation the Relioi t - Additional Sod and Groundwater line+lei=alzo t dated Dt.ccmber I 1 1997 was prepared by Condor describing the investigation results I.aboratory analysis of the Soil samples indicated that total petroleum hydrocarbons quantiticd a" kerosene, diesel, and motor oil (TEPH), ethanol, tertiary butanol DIPE, ETBE and (I AME) were not detected at or above I the laboratory ieported detection limits in any of the, samples collected from the monitoring wells during the Septcnibei, 1997 sampling event BTEX, l PH-C,, and MFBL were not detected at or above the laboratory reported detcctlon limits in the soil Sample collected from MW-1 at a depth of six feet bgs Benzene ethyl ' benzene. <)nd xylene were, not detected at or above the laboratory reported detection limits Ili the soil "ample t-ollccli.d f roni MW-2 it a depth of flour feet bg" l oluene TPI I-G and M I BE were detected in the soil "ample cnlltc.ted Goin MW-2 at a depth of four feet bgs (16 µgikg 1 2 mg/l.g and 1,300 µg/kg, rc"pc(,tively) Benzene ' and tOlmenc, were not detected at or above the rai"ed laboratory reported detection limit in the soil sample collected from MW-4 at a depth of ,ix teet bgs M CBE was not detected at or above the laboratory reported detection limit in the sample collected from MW-1 at a depth of sir lcct Ethyl benzene, xylene and 1 PH-G were dctcetr d in the soil "ample collected from MW-4 at a depth of six feet (680 µg/kg, 6,000 pJkg, and 28 mg/kg, respeeti%cly) A ',Urnmary of the laboratory analytical results of the soil samples arc presented below in Table B5 TABLE B 5 Soil Sample Analytical Results I T N TPGasoline B it-<< TFPII Oxygenates/ Additives Kerosene DnSll Motor (]II DOLLilllrl 5 0 5 0 5 I} 5 0 1 0 100 1 S1 l 0 100 I111110" µe/kg pWkg )ig/kg ug/kg mgAg pg"kg mg/kg mg/kg m€;/kg '<afnplL I I i) MW 1-6 ND ND ND ND ND ND ND ND ND MW2-4 Irl) 16 ND ND 12 1 300 ND ND ND (MIRH) MW4-6 ND 100* ND 100* 680 6 000 28 ND ND ND ND t int l unvt r,umti Anil t.,l pt,lkb pini p,t billion(ppb) 131FX Imine tolutm ethyl btnzene and x}ltne mf.fl pam per million(ppm) ri-pii total pttroleom hydrocarbons quenhrcd as kt FO]tne diesel and motor oil r111i(t total petroleum by dnearbons yuahttii.d m 6volmt X11 RE mtthyi tcrhary butyl cth.7 ND none dettctLd ai nr about laboratory dtttchon tuntts hD V non.datcled to a ICVLI of X dl otrttr g. alinc addntvcs/oxyt,cnxtcc wtrt tial detected at tit almvt the 1 thatltory rnpnrttd dttectton limits Laboratory analysis of the groundwater Samples indicated total petroleum hydrocarbons quantified as kerosene, diesel, and motor oil (I EPH), ethanol, DIPS and ETBE were not detected at or above the laboratory reported detection Ilinit-, in any of the groundwater samples collected from the monitoring wells during the September, 1997, sampling event BTFX, the selected gasoline oxygenates/additives and TPH-G were not detected at or above the laboratory reported detection limits in the groundwater sample collected from MW-1 Toluene, ethyl benzene, and I PfI-G were not detected at or above the laboratory reported detection Inn its in the groundwater