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TABLE 2 <br />ANALYTICAL RESULTS: GROUNDWATER <br />SHELL SERVICE STATION <br />620 WEST CHARTER WAY, STOCKTON, CALIFORNIA <br />(AN results In parts -per -million) <br />Monftoring <br />Date <br />Total Petroleum <br />Aromatic Volatile Organics <br />Well <br />Collected <br />Hydrocarbons <br />Gasoline <br />Benzene <br />Toluene <br />Ethyl- <br />Total <br />benzene <br />Xylenes <br />MW -7 <br />01/10/90 <br />FLH <br />FLH <br />FLH <br />FLH <br />FLH <br />03/28/90 <br />FLH <br />FLH <br />FLH <br />FLH <br />FLH <br />07/31/90 <br />FLH <br />FLH <br />FLH <br />FLH <br />FLH <br />10/24/90 <br />FLH <br />FLH <br />FLH <br />FLH <br />FLH <br />01/31/91 <br />FLH <br />FLH <br />FLH <br />FLH <br />FLH <br />04/26/91 <br />54 <br />45 <br />73 <br />1 7 <br />74 <br />0723191 <br />FLH <br />FLH <br />FLH <br />FLH <br />FLH <br />10130!91 <br />130 <br />25 <br />6 4 <br />16 <br />10 <br />01/28/92 <br />FLH <br />FLH <br />FLH <br />FLH <br />FLH <br />04/30/92 <br />FLH <br />FLH <br />FLH <br />FLH <br />FLH <br />07/10/92 <br />14 <br />022 <br />1 4 <br />054 <br />2 6 <br />10/09/92 <br />FLH" <br />FLH* <br />FLH* <br />FLH' <br />FLH" <br />02/19/93 <br />43 <br />036 <br />1 4 <br />1 0 <br />5 3 <br />05/28/93 <br />11 <br />0 140 <br />0 210 <br />0 290 <br />1 1 <br />08/27/93 <br />2 9 <br />0 063 <br />0 060 <br />0 067 <br />0 280 <br />11/22/93 <br />16 <br />0 140 <br />0 150 <br />0 270 <br />0 560 <br />02/15/94 <br />49 <br />0 71 <br />0 4 <br />085 <br />15 <br />05/10/94 <br />65 <br />033 <br />0 061 <br />024 <br />042 <br />08/16/94 <br />14 <br />1 0 <br />012 <br />0 48 <br />036 <br />11/17/94 <br />8 6 <br />048 <br />012 <br />033 <br />049 <br />MW -8 <br />03/28/90 <br />as <br />27 <br />0 250 <br />0 030 <br />0 520 <br />07/31/90 <br />26 <br />84 <br />0 740 <br />0200 <br />0 400 <br />10/24/90 <br />16 <br />68 <br />0 180 <br />0 140 <br />0 170 <br />01/31/91 <br />17 <br />85 <br />037 <br />021 <br />045 <br />0426/91 <br />15 <br />63 <br />026 <br />015 <br />039 <br />07/23/91 <br />15 <br />64 <br />0 3 <br />015 <br />035 <br />10/30/91 <br />21 <br />51 <br />021 <br />0 097 <br />012 <br />01/28192 <br />17 <br />50 <br />012 <br />014 <br />026 <br />04/30/92 <br />13 <br />46 <br />0 092 <br />013 <br />010 <br />07/10/92 <br />72 <br />35 <br />—0 05 <br />0 097 <br />—0 05 <br />10109/92 <br />29 <br />2 6 <br />3 7 <br />«0 05 <br />5 7 <br />02/20/93 <br />6 6 <br />1 2 <br />0 081 <br />0 069 <br />065 <br />0528/93 <br />12 <br />0 110 <br />0 150 <br />0 027 <br />34 <br />08/27/93 <br />11 <br />ca0 02 <br />0 140 <br />0 071 <br />24 <br />1122193 <br />61 <br />«0 005 <br />0 027 <br />0 020 <br />1 2 <br />02/15/94 <br />4 5 <br />cc0 010 <br />0 026 <br />«0 010 <br />1 0 <br />05/10/94 <br />23 <br />—0 010 <br />—0 010 <br />—0 010 <br />0 3 <br />08/16/94 <br />1 1 <br />00035 <br />00065 <br />00037 <br />005 <br />11/17194 <br />0 5 <br />00041 <br />e <br />00017 <br />00058 <br />MW -8D <br />10/09/92 <br />27 <br />22 <br />3 <br />5 8 <br />(DUP-1) <br />NOTES --- = Not analyzed <br />FLH = Floating liquid hydrocarbons. <br />FLH* = Skimmer in well (installed October 9 1 9 <br />< - Below Prscbcal Quantitation Reporting Limits per Tri Regional Board Staff Recommendations for Preliminary Evaluation and <br /><' - Investigation of Underground Tank SW (August 10 1990) (POL for BTEX = 00005 ppm TPH as gasoline and diesel = 005 ppm) <br />Below indicated detecbon limit labeled in the analytical laboratory reports. <br />D Duplicate sample <br />NS - Not sampled <br />Fugro <br />91 24e/Navember 1904 <br />