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TABLE 2 <br /> ANALYTICAL RESULTS GROUNDWATER <br /> SHELL OIL COMPANY <br /> 3725 TRACY BOULEVARD,TRACY,CAUFORNIA <br /> (All results in parr-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 < < < <0 002 <<0 002 <<0 002 <br /> MW-1A 08/28/90 < < < < < <br /> 11/19/90 < < < < < <br /> 02/26/91 < < < < < <br /> 05/17/91 < < < < < <br /> 08/20/91 < < < < < <br /> 11/21/91 < < < < < <br /> 02/14/92 < < < < < <br /> 02/20/93 < < < < < <br /> MW-1 AD 02/20/93 < < < < < <br /> („Dup ) <br /> MW-2 09/26/89 < < < <0 002 < <0 002 <<0 002 <br /> MW-2A 08/28/90 < < < < < <br /> 11/19/90 < < < < < <br /> 02/26/91 < < < < < <br /> 05/17/91 < < < < < <br /> 08/20/91 < < < < < <br /> 11/21/91 < < < < < <br /> 02/14/92 < < < < < <br /> 02/20/93 < < < < < <br /> MW-3 09/26/89 < < < <0 002 <<0 002 <<0 002 <br /> MW-3A 08/28/90 < < < < < <br /> 11/19/90 < < < < < <br /> 02/26/91 < < < < < <br /> 05/17/91 < < < < < <br /> 08/20/91 < < < < < <br /> 11/21/91 < < < < < <br /> 02/14/92 < < < < < <br /> 02/20/93 < < < < < <br /> NOTES = Low/medium boiling point hydrocarbons <br /> < = Below Practical Quantitation Reporting Limits (POL) per 'Tri-Regional Board Staff Recommendations for Preliminary <br /> Evaluation and Investigation of Underground Tank Site. (August 10, 1990) (POL for BTEC = 0 0005 ppm, TPH, as <br /> gasoline and diesel = 0 05 ppm) <br /> D = Duplicate sample <br /> The original wells, MW-1 through MW-3, were decommissioned In July 1990 during station reconstruction They were replaced by MWAA <br /> through MW-3A In August 1990 <br /> Aegis Environmental Inc <br /> 96-089/March 29 1993 <br />