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TABLE 2 (CONTINUED) <br /> ., ANALYTICAL RESULTS GROUNDWATER <br /> SH8.L SERVICE STATION <br /> 6d0 WEST CHARTER WAY.STOCKTON,CMJFOF&" <br /> QVI results in parts-per-miban) <br /> Monitoring Date Total Petroleum Aromatic Volatile Organics <br /> Well Collected Hydrocarbons <br /> Gasoline Benzene Toluene Ethyl- Total <br /> benzene Xylenes <br /> MW-9 03/28/90 110 18 20 21 12 <br /> 07/31/90 FLH FLH FLH FLH FLH <br /> 10/24/90 110 20 25 22 13 <br /> 01/31/91 120 27 26 2 5 15 <br /> 04/26/91 120 21 24 22 15 <br /> 07/23/91 110 18 22 21 1 5 <br /> 10/30/91 220 21 27 26 21 <br /> 01/28/92 200 25 24 2 7 18 <br /> 04/30/92 160 20 26 3 6 24 <br /> 07/10/92 110 22 24 2 9 17 <br /> 10/09/92 130 18 20 1 9 16 <br /> MW-10 08/01/91 0 069 00026 000037 000043 < <br /> 10/30/91 < 00033 < < < <br /> 01/28/92 83 00011 000049 000046 < <br /> 04/30/92 061 0 032 0 057 0 011 0 066 <br /> 07/10/92 < < < < < <br /> 10/09/92 < < < < < <br /> NOTES --- = Not analyzed <br /> FLH = Floating liquid hydrocarbons <br /> = Below Practical Quantitation Reporting Limits per Tri-Regional Board Staff Recommendations for Preliminary <br /> Evaluation and Investigation of Underground Tank Sites" (August 10, 1990) (POL for BTEX = 0 0005 ppm,TPH, as <br /> gasoline and diesel = 0 05 ppm) <br /> NS = Not sampled <br /> NR = Not requested <br /> Aegis Environmental Inc <br /> 91 246/December 8 1992 <br />