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Mm4rMIMMMMM No = = <br /> Table 2: Water Sample Analytical Results from Biosparging Wells <br /> Chevron Service Station#9-4275 <br /> 2905 West Benjamin Holt Drive <br /> Stockton, California <br /> TPH as <br /> Well Gasoline Benzene Toluene Ethylbenzene Xylene MTBE <br /> Name Date (µg/i-) (a) (ug/i-) (a) (µg/L) (a) (µglL) (a) (µg11-) (a) _(�L) (a) <br /> GM-1 1-Apr-97 8,800 65 50 28 24 ND(<5 0) <br /> GM-2 1-Apr-97 810 12 ND(<0 5) 17 18 ND(<5 0) <br /> GM-3 1-Apr-97 27,000 250 17 730 960 ND(<50) <br /> GM-4 1-Apr-97 990 72 29 44 37 ND(<5 0) <br /> GM-5 1-Apr-97 350 ND(<0 5) ND(<0 5) ND(<0 5) ND(<0 5) 11 <br /> GM-6 1-Apr-97 25,000 1,600 62 960 4,000 ND(d50) <br /> GM-7 1-Apr-97 19,000 210 7.9 330 1,300 51 <br /> GM-8 1-Apr-97 4,900 44 39 220 100 11 <br /> GM-9 1-Apr-97 24,000 340 18 130 340 110 <br /> (a) Analyzed by USEPA Method 8015, modified,and 8020 <br /> TPH Total petroleum hydrocarbons <br /> MTBE Methyl tertiary butyl ether <br /> µg/L Micrograms per liter <br /> ND(} Not detected (laboratory method detection limit in parentheses) <br /> Laboratory analysis performed by NEIIGTEL Environmental Laboratories, Inc.,Wichita, Kansas. Data <br /> provided by Blame Tech Services, Inc <br /> I <br /> Project No RC0309 005 7XW43ft,JJ$ <br /> GERAGHTY&V LLER,INC <br />