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TABLE 5 <br /> GROUNDWATER SAMPLE ANALYSES <br /> (9-25-91 ) <br /> SAMPLE LOCATION/CONCENTRATION <br /> CONSTITUENT XW-6 MW-10 MW-11 MW-12 MW-13 <br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> f. <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 /> 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 /> Linda A. Turkatte, Environmental, Health Specialist for the <br /> San Joaquin County Public Health Services Department, was on <br /> i site to observe the December sampling activities. <br /> The groundwater samples were analyzed by a California certified <br /> laboratory (Sherwood Labs Corp. ) using EPA method 602 for BTEX <br /> analysis, with a detection limit of 0. 3 ug/Kg, and EPA method <br /> 5030/Mod. 8015 for TPH-Gasoline analysis, with a detection limit <br /> of 50 .0 ug/L (Table 6) . <br /> TABLE 6 <br /> GROUNDWATER SAMPLE ANALYSES <br /> (12-9-91) <br /> SAMPLE LOCATION/CONCENTRATION <br /> MW-6 MW-7 MW-8 MW-9 MW-10 MW-11 MW-12 MW-13 BLANK <br /> (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> B ND ND ND ND ND ND ND ND ND <br /> T ND ND ND ND ND ND ND ND ND <br /> E ND ND ND 8. 0 ND ND ND ND ND <br /> X ND ND ND 12 .0 ND ND ND ND ND <br /> TPH-G ND ND ND 0 .7 ND ND ND ND ND <br /> NOTE: ND Represents none detected <br /> As requested by Mr. Steve Schneider of the San Joaquin County <br /> Public Health Services Department, the extraction well (EW-1 ) <br /> was purged and sampled, January 24 , 1992. Mr. Schneider was <br /> on site to observe the sampling of EW-l. <br /> v <br /> STE Project No. 4001 <br /> � <br /> Page 4 <br />