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TABLE 2 <br /> ANALYTICAL RESULTS GROUNDWATER <br /> SHELL SERVICE STATION (Wic No 204-7524-0808) <br /> 7910 LOWER SACRAMENTO ROAD, STOCKTON, 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-108/15189 < 00006 < < < <br /> 05/11/90 < 00011 < < < <br /> 101111,90 < < c < < <br /> 02101!91 < c < < < <br /> 05/08/91 < c < < < <br /> 08/201,91 < < < < < <br /> 11/21/91 < c < < < <br /> 02120192 c c c < c <br /> 06/12/92 --- ___ --- <br /> 08/11 2192 <br /> 08112'92 < < < < < <br /> 11/05192 --- <br /> 02/19193 < < < < < <br /> 08126!93 c < < < < <br /> 02/1594 < < < < < <br /> 08/1694 < < < < < <br /> MW-2 08/15189 < c < c < <br /> 05/11,90 < < < < < <br /> 10/1 90 < < < < < <br /> 02101!91 < < < < < <br /> 05103 91 < < < < < <br /> 08/20191 < < < < < <br /> 12 91 < < < < < <br /> 021-20192 <br /> 0211 0/92 c < < < < <br /> 06/12192 < < < < 00019 <br /> 08112/92 < < < < < <br /> 11/05/92 < < < < < <br /> 02/19/93 < < < < < <br /> 08/2f-93 < < < < < <br /> 02/15/94 < < < < < <br /> 0811594 < < < < < <br /> MW-3' 0811589 < < < c < <br /> 0511 i 90 < < < < < <br /> 10/1190 < < < < < <br /> 02/01191 < c < < < <br /> 05/C8191 < < < < < <br /> 0812Cf91 < < < < < <br /> 11/:, 91 < < < < < <br /> 02120192 < < < < < <br /> 06/1292 - -- _-- --_ --- <br /> 08/1292 <br /> -_0811292 c < c < < <br /> 11105192 <br /> 02/19/93 < < < < < <br /> 0812693 < < < < < <br /> 02115 94 < < < < < <br /> 08/1694 < < < < < <br /> MOTES = Beiry Practical Quantitation Reporting Limits per Tri Regional Board Staff Recommendations <br /> for=elimnary Evaluation and Investigation of Underground Tank S es (August 10 1990) <br /> (P0-bt BTEX=0 0005 ppm TPH as gasonne and diesel=0 05 Dom) <br /> = Voe--s MW 1 and MW 3 are sampled semiannually <br /> Not sampled due to change from quarterly to semiannually <br /> 0 buprwte sample <br /> Samples ooliedea mrough 11121!81 by Delta Environmental Consultants Inc of Rancho Cordova California <br /> Samples coi4cteo from 02720!92 through 11/05/92 by EMCON Assoctates of Sacramento California <br /> Samples coflecrec after 11/05/93 by Blaine Tech Sevices.Inc of San Jose Cali omia <br /> Fugro <br /> 91231/August 1994 <br />