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OF—CMATRIX <br /> TABLE 3 Page 2 of 2 <br />' GROUNDWATER ANALYTICAL DATA <br /> UST Site No 3 - Port of Stockton <br /> Stockton, Californua <br /> Volatiles (U S.EPA Method 8260) <br /> Results m p 3 Dissolved <br /> Momtonng TPHgz Lead° <br />' Weill Date B T E X MtBE <br /> MW3-2 11/25/02 1,540 12 110 47 181 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 /> MW3-4 02/20/035 <206 <0 5 <0 5 <0 5 <0 5 <0 5 <3 <br />' 05/29/03 <50 <0 5 <0 5 <0 5 <0 5 na na <br /> MW3-5 02/20/03 <20 <0 5 <0 5 <05 <0 5 <0 5 37 <br /> 05/29/03 <50 <0 5 <0 5 <0 5 <0 5 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 59 110 na na <br />' 1 Monitoring well locations are shown on Figure 2 <br /> 2 TPHg-total petroleum hydrocarbons quantified as gasoline analyzed using U S Environmental Protection Agency <br /> (EPA)Method 8015M,results reported in nucrograms per liter(µgll,) <br /> 3 B-benzene,T-toluene,E-ethylbenzene,X-total xylenes(sum of m,p-xylene and o-xylene), <br /> MtBE-methyl tertiary butyl ether Results reported inµg/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 inµg/L <br /> 5 Sample was also analyzed for 1,2-dichloroethene,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 <br /> S <br /> ' 11 PR01ECI160WM437 0001WKsft=t16437-12x1s <br />