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TABLE 2 <br /> ANALYTICAL RESULTS GROUNDWATER <br /> SHELL OIL COMPANY <br /> 3725 TRACY BOULEVARD, TRACY, CALIFORNIA <br /> (All results In parts-per-million) <br /> Monitoring Date Total Petroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> Gasoline' Benzene Toluene Ethyl- Total <br /> benzene Xylenes <br /> MW-1 09/26/89 c < «0 002 <c0 002 «0 002 <br /> MW-1A 08/28/90 c < c < < <br /> 11/19/90 < c < < < <br /> 02/26/91 c < < c < <br /> 05/17/91 c < e < < <br /> 08/20/91 c < < < < <br /> 11/21/91 c e < < < <br /> 02114!92 < < c < < <br /> 02/20/93 < < < < < <br /> 02/15/94 < < < < < <br /> 02/23/95 < < c < < <br /> MW-1AD 02/20/93 < < < < < <br /> ( Dup") 02/15/94 < < < < < <br /> MW-2 09/26/89 < c «0 002 «0 002 c<0 002 <br /> MW-2A 0828190 < < e < < <br /> 11119!90 < < < < < <br /> 0226/91 < < < c < <br /> 05/17/91 < c < c c <br /> 08/20/91 < < < c c <br /> 11/21/91 < < < < < <br />• 02/14/92 < < < < e <br /> 02/20/93 < < < < < <br /> 02/15/94 < c < < < <br /> 02/23/95 < < < < < <br /> MW-2AD 02/23/95 < < < < < <br /> ( Dup } <br /> MW-3 09/26/89 c < «0 002 <c0 002 c<0 002 <br /> MW-3A 0828190 < < < c c <br /> 11/19/90 < c c < < <br /> 0226191 < < < < < <br /> 05/17/91 < < c c < <br /> 0820191 < < < < < <br /> 1121191 < < < < e <br /> 02/14/92 < c < < < <br /> 02/20/93 < < < < < <br /> 02/15/94 < c c < < <br /> 0223/95 < c < < c <br /> NOTES = LowVmedium boiling point hydrocarbons <br /> < = Below Practical Quantitation Reporting Limits(POL)per"Tn Regional Board Staff Recommendations for Preliminary Evaluation and Investigation of <br /> Underground Tank Sites"(August 10 1880) (PQL for STEX=0 0005 ppm TPH as gasoline and diesel=0 05 ppm) <br /> D = Duplicate sample <br /> The onginal wells MV1c1 through MW-3 were decommissroned in July 19W during station reconstruction They were replaced by MW 1A through MW-3A in August 1990 <br /> Fugro <br /> 9347-00891February 190 <br />