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GEOMATRIX <br /> TABLE 3 Page 2 of 2 <br /> GROUNDWATER ANALYTICAL DATA <br />' UST Site No 3- Port of Stockton <br /> Stockton,California <br />' Volatiles (US EPA Method 8260) <br /> Results to 1PI 3 Dissolved <br /> Momtonng TPHg2 Lead <br />' Well' Date B T E X MtBE <br /> MW3-3 11/25/02 1,540 12 110 47 181 1 na na <br /> (Cont) 02/20/03 4,000 14 250 77 330 na na <br /> 05/28/03 710 16 279 71 139 na na <br />' 08/22/03 8,650 51 709 137 587 na na <br /> MW3-4 02/20/033 <206 <0 5 <0 5 <0 5 <0 5 <0 5 <3 <br /> 05/29/03 <50 <0 5 <0 5 <0 5 <05 na na <br />' 08/22/03 570 <1 0 735 342 171 na na <br /> MW3-5 02/20/03 <20 <0 5 <0 5 <0 5 <0 5 <0 5 37 <br /> 05/29/03 <50 <0 5 <0 5 <0 5 <0 5 na na <br /> 08/22/03 <50 <1 0 222 1 11 336 na na <br />' MW3-6 02/20/03 6,800 1,700 80 69 280 <0 5 3 1 <br /> 05/29/03 1,000 1,030 85 59 i 110 na na <br /> 08/22/03 7,970 1,890 614 1 658 249 na na <br />' 1 Momtonng well locations are shown on Figure 2 <br /> 2 TPllg-total petroleum hydrocarbons quantified as gasoline analyzed using U S Environmental Protection Agency <br /> (EPA)Method 8015M results reported in micrograms per liter(µg/L) <br /> 1 3 B-benzene,T-toluene E-ethylbenzenc X-total xylenes(sum of m,p-xylene and o-xylene) <br /> MtBE-methyl tertiary butyl ether Results reported to pg/L na-was not analyzed for constituent <br /> ND-not detected for constituent <br /> 4 Dissolved lead analyzed using U S EPA Method 6010B,results reported 1n ltg/L <br /> 5 Sample was also analyzed for 1 2-dtchloroethene dusopropyl ether ethyl tertiary butyl ether,and tertiary amyl methyl <br /> ether using U S EPA Method 8260 These constituents were not detected <br /> 6 <=less than the Detection Lurut for Purpose of Reporting <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> i <br /> i <br /> 1 <br /> I VIR03ECW000s�&370W1WKshw66437 14.16 <br /> 1 <br />