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Summary of VE emical Analytical Data <br /> Table 1 5 ry Y <br /> Unocal Service on No 6981 <br /> 4707 Pacific Avenue <br /> Stockton, Callfornla <br /> i <br /> Wellhead Influent Sample Results Effluent Sample Results <br /> Date TPHg TPHg Benzene Benzene Toluene Ethylbenzenc Xylenes TPHg TPHg Benzene Benzene Toluene Ethylbenzene Xylenes <br /> (mglm) (ppmv) (mglm}) (ppmv) (mg/m) (mg1m3) (mg/m) (mg/m3) (ppmv) (mg1m) (ppmv) (mg/m3) (mg/m) (mg/m') <br /> 12-05 98` 830 214 <1 0 <0 3 <1 0 5 53 <10 <3 <0 10 <0 03 <0 10 <0 10 <0 10 <br /> 12-21-97 System restarted <br /> 1229-97 850 224 <5 0 <14 <5 0 6 4 88 <10 <3 <0 10 <0 03 <0 10 <0 10 <0 10 <br /> 01-2698 1,300 343 <50 <1 4 <5 0 77 110 <10 <3 <0 10 <0 03 <0 10 <0 10 <0 10 <br /> 02-27-98 1,900 501 <2 5 <0 7 38 18 95 <10 <3 <0 10 <0 03 <0 10 <0 10 <0 10 <br /> 03 25-98 450 119 <1 0 <0 3 <1 0 37 50 15 4 <0 10 <0 03 <0 10 <0 10 021 <br /> Exl2lanation <br /> mglm3=milligrams per cubic meter <br /> ppmv=parts per million by volume <br /> TPHg=Total Petroleum Hydrocarbons as gasoline <br /> t System shut down on 10/26/97 due to the failure of the flame detector The flame detector was replaced on 1215197,and <br /> the system operated approxtmatley 3 hours Influent and effluent samples were collected to confirm detector operation <br /> and destruction effectency,then the system was shutdown pending recrept of analytical data Dilution valve control <br /> motor replaced and system restarted on 12/21/97 <br /> c 140124 02 <br /> d/unocal14855/6981RPT X1.S <br />