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TABLE 2 <br /> LABORATORY ANALYSIS - GROUNDWATER <br /> Gardner Property, Thornton, California <br /> (Page 3 of 3) <br /> (in ppb) <br /> Date Sample 1D Benzene Toluene Ethyl- Xylenes TPHg <br /> Benzene <br /> 07/23/93 MW1 ND ND ND ND ND <br /> MW2 21 1 2 ND 3 9 270 <br /> MW3 69 ND 29 17 2000 <br /> MW4 ND ND 540 140 3100 <br /> MW5 ND ND ND ND ND <br /> MW6 ND ND ND ND ND <br /> 12/27/93 MW2 5 9 1 2 ND 3 6 210 <br />• MW3 31 29 330 460 9300 <br /> MW4 ND 76 700 840 15000 <br /> 03/30/94 MW2 1 6 078 ND 2 1 150 <br /> MW3 39 ND 330 440 8600 <br /> MW4 ND 41 450 620 12000 <br /> MW5 ND ND ND ND ND <br /> MW6 ND ND ND ND ND <br /> 06/24/94 MW2 ND 0 69 ND 21 140 <br /> MW3 ND ND 290 190 8400 <br /> MW4 ND ND 780 1200 16000 <br /> Method Detection Limits 05 0 5 05 0 5 50 <br /> NOTES <br /> ppb = Parts per Billion <br /> TPHg = Total Petroleum Hydrocarbons as Gasoline <br /> ND = Not Detected <br /> i <br /> 1500811TABLESWW-DATA LAB <br />