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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)3649233 <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988.9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-010o <br /> IINAnalytical <br /> �����c�� 1455 McDowell Blvd North,Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-034Z <br /> �l 1551 Industrial Road San Carlos CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> Gettler Ryan,Inc -Dublin Project Unocal <br /> 6747 Sierra Court Suite J Project Number Former Unocal#0123 Reported <br /> Dublin CA,94568 Project Manager Deanna L Harding 04-Oct-99 10 17 <br /> Volatile Organic Compounds by EPA Method 8010B <br /> Sequoia Analytical -Walnut Creek <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br /> U-3 (W909217-04)Water Sampled 09-Sep-99 10 55 Received 10-Sep-99 14 55 <br /> Bromodichloromethane ND 050 ug/1 1 9I15009 15-Sep-99 15-Sep-99 EPA 8010B <br /> Bromoform ND 050 <br /> Bromomethane ND 10 " ^ <br /> Carbon tetrachloride ND 050 ^ ^ <br /> Chlorobenzene ND 050 <br /> Chloroethane ND 10 <br /> Chloroform ND 050 <br /> Chloromethane ND 10 <br /> Dibromoc.hloromethane ND 050 <br /> 1,3-Dichlorobenzene ND 050 " ^ <br /> I 4-Dichlorobenzene ND 0 50 ^ <br /> 12-Dichlorobenzene ND 050 " <br /> 1 I-Dichloroethane ND 050 ^ <br /> 1.2-D1Lhloroethane ND 050 " <br /> I I-DiLhIoroethene ND 0 50 <br /> us-1,2-Di4hloroethcne 098 050 <br /> trans-1 2-DILhloroethem- ND 0 50 <br /> l 2-Di+hloropropane ND 0 50 " <br /> u,-1 3-Dichloropropene ND 0 50 <br /> tr,in,-1 3-Dichloropropene ND 050 " <br /> =Methylenei,hlcnde ND 5 0- <br /> 1 <br /> 1 12 2-Tetrachloroethane ND 050 " <br /> �Tetrachlaraethcnt. 2 fi 0-50 "- <br /> I 1 I-Tnchloroethine ND 1) 50 " <br /> - -1-1,2-TnchloroetfiZe - T---- ND" - 0 50 - <br /> Trichloroethene ND 050 ^ " <br /> `I'nchlorotluoromethane ND 050 " <br /> Vuivl chlonde ND 1 0 <br /> 5tertogate Drhtoneoilylreotoneethatte 870% 50-150 <br /> Surrogate 4-Btonroflrrorobenzene 710% 50-150 <br /> Sequoia Analytical- Walnut Creek The resaltr in dov report apply to the swrrpleremal►_ed inaccordrmce with the churn of <br /> ` custody document This analytical report mast he reproduced en rrr ennrety <br /> Ju Ie eb ey, roject Manjg# Page 8 of 16 <br /> r� <br />