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TABLE 3 <br /> Groundwater Monitoring Data <br /> A Teichert & Son <br /> 29099 South McArthur Road <br /> Tracy, California <br /> (page 2 of 2) <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 /> 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 /> MW-4 11/23/93 155 21 87 53 67 68 NS NS NS NS his NO ODOR, NO SHEEN NA <br /> MW-4 12/17/93 155 21 86 54 68 67 NS NS NS Ns Ns NO ODOR, NO SHEEN NA <br /> W-86-MW4 01/14/94 155 21 86 88 68 33 <50 <0 5 <0 5 <0 5 <0 5 NO ODOR, NO SHEEN NA <br /> w-88-MW4 04/18/94 155 21 88 81 66 40 <50 <0 5 <0 5 <0 5 <0 5 NO ODOR, NO SHEEN NA <br /> Analytical results in parts per billion <br /> Measurements in feet below top of casing <br /> TOC = 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 /> NR = Analysis not requested <br /> * = Pumped 20+ gallons out prior to taking sample <br /> ** = Hand bailed 10 well volumes <br /> 05049tak/123009 01 <br />