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TABLE 2 <br /> Laboratory Analysis - Groundwater <br /> Gardner Property <br /> Thornton, California <br /> (in ppb) <br /> DATE SAMPLE ID BENZENE TOLUENE ETHYLBENZENE XYLENES TPHG <br /> 11/06/90 MW1 NO NO NO NO ND <br /> MW2 44 ND NO NO NO <br /> MW3 18 11 63 98 4500 <br /> 02/19/91 MW1 ND ND NO NO ND <br /> MW2 17 NO NO 1 2 70 <br /> MW3 270 15 60 110 4400 <br /> 10/11/91 MW1 NO NO NO ND NO <br /> MW2 NO NO NO ND NO <br /> MW3 14 21 30 83 7400 <br /> 10/29/91 MW4 110 79 640 1700 19000 <br /> MW5 2 1 NO NO ND ND <br /> MW6 NO NO NO NO NO <br /> Muni Well NO NO NO NO ND <br /> 03/04/92 MW1 NO NO ND NO NO <br /> MW2 19 1 0 ND 1 0 310 <br /> MW3 31 17 68 52 17000 <br /> MW4 1 2 32 91 1 38 3700 <br /> MW5 NO NO NO NO 95 <br /> MW6 NO NO ND NO NO <br /> 09/01/92 MW1 NO NO NO ND NO <br /> MW2 50 NO NO 06 110 <br /> MW3 27 11 39 10 4100 <br /> MW4 38 80 1100 590 40000 <br /> MW5 NO NO NO NO NO <br /> MW6 NO ND NO NO NO <br /> Muni Well NO ND NO NO ND <br /> Detection Limit 05 05 05 05 50 <br /> NOTES <br /> ppb = Parts Per Billion <br /> TPHG = Total Petroleum Hydrocarbons as Gasoline <br /> ND = Not Detected <br /> GPT1227 WP <br />