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I <br /> TABLE 4 <br /> GROUNDWATER SAMPLE ANALYSES <br /> (6-24-91) <br /> SAMPLE LOCATION/CONCENTRATION <br /> MW-1 MW-2 MW-3 MW-4 MW-5 MW-6 MW-7 MW-8 MW-9 <br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> B 22.0 0.5 39.0 7400.0 230.0 ND ND 0.4 300.0 <br /> T ND 0. 3 ND 7000.0 86.0 ND ND 0.64 190.0 <br /> B 64.0 ND 200 .0 970.0 0.4 ND ND 1.1 180.0 <br /> X 28.0 1. 3 81.0 5700.0 53.0 ND ND 15 .0 240.0 <br /> TPH-G 1300.0 ND 4300 .0 54000.0 880.0 ND 79 .0 140 .0 3900.0 <br /> NOTE: ND Represents none detected <br />' On September 991, BTS performed the quarterly sampling <br /> of monitoring wells 6 10 , 1, 12, and 13 . Water levels in <br /> the other monitoring wells was not sufficient to allow <br /> purging and sampling. The results of this sampling episode <br /> are represented as Table 5. <br /> TABLE 5 <br /> GROUNDWATER SAMPLE ANALYSES <br /> (9-25-91) <br /> SAMPLE LOCATION/CONCENTRATION <br /> CONSTITUENT XW-6 PAW-10 FEW-11 FST-12 NW-13 <br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> Benzene ND ND 0. 3 ND ND <br /> Toluene 0 . 5 ND ND ND ND <br /> Ethylbenzene ND ND ND ND ND <br /> Xylene 1. 2 ND ND ND ND <br /> TPH-Gasoline ND ND ND ND ND <br />' NOTE: ND Represents none detected <br /> 2.0 QUARTERLY MONITORING <br /> On December 9, 1991, SUN TECH sampled eight monitoring wells <br /> located on, or within, the vicinity of the GLDM property <br />' located at 16 Cherokee Lane, Lodi, California. <br /> Although 13 monitoring wells, and 1 extraction well exist on, <br />' or near the subject property (Figure 2) , only 8 of the <br /> monitoring wells contained sufficient quantities of water for <br /> purging and sampling. The 6" extraction well was not sampled <br /> at this time. <br /> STE Project No. 4001 <br /> Page 4 <br /> I <br />