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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-%00 FAX(650).364-9233 <br /> s 404 N Wiget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> frill�� Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> i <br /> Pacific Environmental Group-Sac Project Chevron 9-9840,Stockton,CA Sampled 9/28/98 <br /> 11315 Sunrise Gold Circle St M Project Number 920-122 1C Received 9/30198 <br /> Rancho Cordova,CA 95742 Pro ect Manager Tim Anenson Reported 10/13/98 <br /> Total Purgeable Hydrocarbons(C6-C12) and BTEX by DHS LUFT/Quality 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 /> Batch, 8100054 DItLEMPRE"LIMM Extraction Method, EPA 5030B(Me011) <br /> Blank $1510084-BL,]I <br /> Purgeable Hydrocarbons 10/6/98 ND mg/kg 100 <br /> Benzene ND 000500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) ND 000500 <br /> Surrogate a,a,a-Trifluorotoluene 0200 0212 600-140 106 <br /> LCS 8100084-ASt <br /> Benzene 10/6/98 0200 0 219 mg/kg 700-130 109 <br /> Toluene 0200 0 213 700-130 106 <br /> Ethylbenzene 0200 0 217 700-130 108 <br /> Xylenes(total) 0 600 0 632 700-130 105 <br /> tza,a,a-Trrfluorotoluene 0200 0204 600-140 102 <br /> 81994841MS1 5509376-14 <br /> Benzene 10/6198 0200 ND 0203 mg/kg 600-140 101 <br /> Toluene 0200 ND 0200 600-140 100 <br /> Ethylbenzene 0200 ND 0204 600-140 102 <br /> Xylenes(total) 0 600 ND 0 600 600-140 100 <br /> Surrogate a a a-Trifluorotoluene 0200 0 217 600-140 108 <br /> Atrix Spike Diin $100084-MSD1 S809376-14 <br /> Benzene 10/6/98 0200 ND 0 197 mg/kg 600-140 98 5 25 0 251 <br /> Toluene 0200 ND 0 183 600-140 91 5 250 888 <br /> Ethylbenzene 0200 ND 0 197 600-140 985 25 0 349 <br /> Xylenes(total) 0 600 ND 0 584 600-140 973 25 0 274 <br /> Surrogate a,a a-Tri luorotoluene 0200 0 211 600-140 105 <br /> equoia Analytical-Sacramento *Refer to end of report for text of notes and definitions <br />/Ilinda C Schneider,Laboratory Director Page 4 of 6 <br /> r� <br />