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r 1 <br /> � Redwood Ci CA 94 650 364-9600 FAX(650)364-9233 <br /> - <br /> Sequoia L680 Chesapeake Drive City. ( ) <br /> rY' q -9673 <br /> 404 N.Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988 <br /> v„O Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834' (916)921-9600 FAX(916)921-0100 <br /> L1455 McDowell Blvd.North.Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-034Z <br /> LKleinfelder-Stockton Project: NIA Sampled: 10/19/98 <br /> 2825 East Myrtle Street Project Number: 20-2864-02.E02 Received: 10/20/98 <br /> Stockton,CA 95205 Project Manager: Tony Martin Reported: 1115198 <br /> Total Purgeable Hydrocarbons(C6-C12) and BTEX by DHS LUFTIQuality Control: <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov. Limits % Limit % Notes* <br /> LBatch: 8110040 Date Pr6,ared: 11/-1/98 Extra0ion Method: EPA 5030B(MeOI:U <br /> Want-, 8110040-D-LKI <br /> Purgeable Hydrocarbons 11/3/98 ND mg/kg 1.00 <br /> L <br /> Benzene ND 0.00500 <br /> Toluene ND " 0.00500 <br /> Ethylbenzene ND 0.00500 <br /> Xylenes(total) ND 0.00500 <br /> + Surrogate: a,a,a-.Triuorotoluene 0.200 0.190 60.0-140 95.0 <br /> LICS X110040-1351 <br /> Benzene 1113198 0.200 0.201 mg/kg 70.0-130 101 <br /> Toluene 0.200 0.187 " 70.0-130 93.5 <br /> Ethylbenzene 0.200 0.186 70.0-130 93.0 <br /> Xylenes(total) 0.600 0.552 70.0-130 92.0 <br /> Surrogate: o,a,a-Trifluorotohiene 0.200 0.185 60.0-140 92.5 <br /> Matrix S iLU 8110040-MSI 581021524 <br /> Benzene 1113198 0.200 ND 0.185 mg/kg 60.0-140 92.5 <br /> LToluene 0.200 ND 0.177 60.0-140 -88.5 <br /> Ethylbenzene 0.200 ND 0.176 60.0-140 88.0 <br /> Xylenes(total) 0.600 ND 0.526 60.0-140 87.7 <br /> L Surrogale: a,a,a-Triuorotoluene 0.200 0.198 60.0-140 99.0 <br /> Matrix Spike Oup 9110040-MSD1 S810215Q <br /> Benzene 1113/98 0.200 ND 0.169 mg/kg 60.0-140 84.5 25.0 9.04 <br /> Toluene 0.200 ND 0.163 60.0-140 81.5 25.0 8.24 <br /> Ethylbenzene 0.200 ND 0.161 " 60.0-140 80.5 25.0 8.90 <br /> Xylenes(total) 0.600 ND 0.483 60.0-140 80.5 25.0 8.56 <br /> Surrogate: a,a,a-Tris luorotoluene 0.200 0.172 60.0-140 86.0 <br /> L <br /> L <br /> L <br /> Sequoia A alytical-Sacramento *Refer to end of report for text of notes and definitions. <br /> LI <br /> Schneider,Laboratory Director Page 7 of 1 l <br />