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• -i i • • i • • • s <br /> • � i <br /> Table 1 <br /> GROUNDWATER MONITORING DATA <br /> A Tetchert & Son <br /> 29099 South McArthur Road <br /> Tracy, California <br /> Well/ Elevation Depth Elevation <br /> Sample of TOC to of Water Ethyl Total product <br /> Number Date (Datum is MSL) Water (Datum is MSL) TPHg Benzene toluene benzene Xylenes Observations Removal <br /> MW-1 07/16/93 155 95 DRY DRY NS NS NS NS NS NS NA <br /> W-87 MW1 10/15/93 155 95 87 89 68 06 <50 <0 5 <0 5 <0 5 <0 5 NO ODOR, NO SHEEN NA <br /> W-87-MW2 07/16/93 154 72 87 32 67 40 <50 <0 3 <0 3 <0 3 <0 9 NO ODOR, NO SHEEN NA <br /> W-86-MW2 10/15/93 154 72 86 64 68 08 <50 <0 5 <0 5 <0 5 <0 5 NO ODOR, NO SHEEN NA <br /> W 87-MW3 07/16/93 155 00 87 55 67 45 <50 <0 3 <0 3 <0 3 <0 9 NO ODOR, NO SHEEN NA <br /> W 86 MW3 10/15/93 155 00 86 89 68 11 <50 <0 5 <0 5 <0 5 <0 5 NO ODOR, NO SHEEN NA <br /> W-87-MW4 07/16/93 155 21 87 89 67 73 <50 <0 3 <0 3 <0 3 <0 9 NO ODOR, NO SHEEN NA <br /> W-87-MW4 10/15/93 155 21 87 25 67 96 <50 <0 5 <0 5 <0 5 <0 5 NO ODOR, NO SHEEN NA <br /> Analytical results in parts per billion (ppb) <br /> Measurements in feet below top of casing <br /> TOL = Top of casing <br /> MSL = Mean sea level <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> S = Sheen <br /> NS = Not sampled <br /> NA = Not applicable <br /> 102agtak/123009-1 <br />