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TA& 1 • <br /> ADDITIONAL GROUNDWATER ANALYTICAL DATA <br /> Shell-branded Service Station - <br /> 3725 Tracy Boulevard <br /> Tracy, California <br /> SAP Code 136186 <br /> Incident No. 98996222 <br /> j I Didsopropyl Ethyl t-Butylt-Amyl Methyl Methanol Volatile Organics by EPA <br /> Sample Ethanol t-Butanol Ether Ether Ether 8260 Comments <br /> Date (ug/L) (ug/L) (ug/L) (ug/L) I (ug/L) (ug/L) (ug/L) <br /> MW-2A( DUP)j j <br /> 20-May-98 NA NA I NA NA NA j <1000 NA <br /> 13-Aug-98 NA I NA j NA I NA j NA j <1000 j NA <br /> MW-3A * <br /> 19-Nov-97 <500 j <100 <2 0 j <2 0 i <2 0 j <1000 NA <br /> 11-Feb-98 NA NA ' NA NA I NA <1000 NA <br /> 20-May-98 j NA NA NA j NA NA C <1000 NA <br /> 13-Aug-98 j NA NA NA j NA j NA <1000 NA <br /> 24-Nov-98 NA NA NA NA j NA <1000 NA <br /> 05-Mar-99 j NA NA NA NA NA <1000 NA <br /> 01-Jun-99 NA NA NA NA j NA <10000 NA j <br /> 30-Aug-99 NA I NA NA NA NA <1000 NA <br /> Abbreviations <br /> NA= Not Analyzed or not available <br /> <x= Not detected at detection limit of x <br /> (DUP)= Duplicate sample <br /> Notes <br /> =The original wells, MW-1 through MW-3, were decommissioned in July 1990 during station reconstruction <br /> They were replaced by MW-1A through MW-3A in August 1990 <br /> 240-0813 2 <br />