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Table 2 Analytical Results for Groundwater-Volatile Organic Compounds-Chevron Service Station#9-6171,6633 Pacific Avenue,Stockton,California <br /> (continued) <br /> EXPLANATION ANALYTICAL LABORATORIES <br /> 1,2-DCA = 1,2-Drchloroethane APPL = Agnculture&Pnonty Pollutants Laboratories,Inc of Fresno,California <br /> 1,1-DCA= 1,1-Dichloroethane SAL= Superior Analytical Laboratory of San Francisco,California <br /> TCE=Trichloroethene GTEL= Groundwater Technology Enviroarnental Laboratories,Inc,of Concord, California <br /> PCE=Tetrachloroethene SEQ = Sequoia Analytical Laboratories of Redwood City,California <br /> B = Benzene <br /> T =Toluene NOTES <br /> E = Ethylbenzene <br /> X =xylenes I Well has been dry since December 15, 19$4 sampling event <br /> Organic Compounds 1 Chloroform detected at 1 4 ppb Other VOCs not detected at detection limits of 0 5 to 10 ppb <br /> VOCs =volatileppb = Parts per billion r Not detected at detection limits of 0 5 to 10 ppb <br /> ND = Not detected 4 Not detected at detection lunits of 3 to 20 ppb <br /> BTEX concentrations included on Table 2 Other VOC's not detected at detection linins of 5 to 50 ppb <br /> ANALYTICAL METHODS 6 All other VOC's were non-detectable with detections lints ranging from 40 to 200 ppb <br /> 7 All other VOC's were non-detectable with detection limas ranging from 100 to 700 ppb <br /> VOC = EPA Method 9240/EPA Method 624 ' All other VOC's were icon-detectable with detection limits ranging from 22 to 110 ppb <br /> 9 Volatile Tentatively Identified Compounds not present at estimated detection limits of 100 ppb Positive <br /> identification or Specification between isomers ca7mot be made without retention time standards <br /> 10 Volatile Tentatively Identified Compounds not present at estimated detection limits of 250 ppb Positive <br /> identification or specification between isomers cannot be made without retention time standards <br /> 11 Volatile Tentatively Identified Compounds not present at estimated detection limits of 56 ppb Positive <br /> identification or specification between isomers cannot be made without retention time standards <br /> 5121VOC TQM <br /> I <br />