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TABLE 5-2 <br /> RESULTS OF VERTICAL GROUNDWATER SAMPLING AND ANALYSIS -TPH-9, BTEX, AND MTBE <br /> CALTRANS -SHOP 10, STOCKTON, CALIFORNIA <br /> April 7, 1999 <br /> Xylenes(2) <br /> Well Sample Sample TPI1 as Ethyl- m,p-Xylene/ <br /> Number Numboi Depth (1) Gasoline(2) Benzene(2) Toluene(2) benzene(2) o-X leve MTBE(2) <br /> MW-13 MW-13-45 5 455 91 36 <0 5 (3) <0 5 1 4/<0 5 12 <br /> MW-13-55 5 555 540 240 <0 5 <0 5 8 l/<0 5 <0 5 <br /> MW-13-66 66 1,100 430 <0 5 19 171<0 5 <0 5 <br /> MW-13-75 75 490 200 <0 5 16 6 81<0 5 <0 5 <br /> MW-13-85 85 560 240 <0 5 5 8 2/<0 5 <0 5 <br /> I <br /> MW-14 MW-14-46 4-1 464 <0 5 <0 5 <0 5 <0 5 <0 51<0 5 <0 5 <br /> MW-14-66-1 66 <0 5 <0 5 <0 5 <0 5 <0 5/<0 5 <0 5 <br /> MW-14-66-2 66 <0 5 <0 5 <0 5 <0 5 <0 5/<0 5 <0 5 <br /> MW-14-73-1 73 <0 5 <0 5 <0 5 <0 5 <0 5/<0 5 <0 5 <br /> VM-2 VM-2-46 5 465 29,000 10,000 7,100 880 2,700/1,400 <0 5 <br /> VM-2-59 5 59 5 30,000 9,800 5,800----1 1,000 1 1,500/950 1 <0 5 <br /> Nott. <br /> All results are pg/L(parts per billion-ppb) <br /> 1) All depths are in feet below ground surface <br /> 2) Volatile Organics by GUMS EPA Test Method 8260E <br />