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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 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)921-0'100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaiurna.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Cambria Environmental Project EQ3ILON,420 Kettlemen LN Lodi,CA Sampled 1/22199 <br /> 270 Perkins Street Project Number NIA Received 1/22/99 <br /> Sonoma,CA 95476 Project Manager Aubrey Cool Reported 1/26,27,28/99 <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 /> Matrix Spike Dun 9010249-MSDI 5901263-16 <br /> Benzene 1/25/99 0200 ND 0 193 mg/kg 60 0-140 965 250 104 <br /> Toluene 0200 ND 0 197 n 600-140 98 5 25 0 0 <br /> Ethylbenzene 0200 ND 0201 600-140 101 25 0 150 <br /> Xylenes(total) 0 600 00211 0 619 600-140 996 25 0 0 302 <br /> Surrogate a,a,a-Trifluorotoluene 0200 0172 600-140 860 <br /> Batch. 9010250 Date Prepared. 1126/99 Extrachan Method, EPA 5030B(MeOHI <br /> Blank _- 4- <br /> Purgeable Hydrocarbons /76/99 "` ND mg/kg too <br /> Benzene ND 000500 <br /> Toluene ND 000500 <br /> Ethylbenzene ND 000500 <br /> Xylenes(total) ND 000500 <br /> Surrogate a a a-Trifluorotoluene 0100 0204 600-140 102 <br /> LSA 9010250-BSI <br /> Benzene 1/26199 0200 0 213 mg/kg 700-130 106 <br /> Toluene 0200 0 216 700-130 108 <br /> Ethylbenzene 0200 0 214 700-130 107 <br /> Xylenes (total) 0 600 0 640 700-130 107 <br /> Surrogate a,a a-Trifluorotoluene 0200 0 211 600-140 105 <br /> Matrix Splkc 9010250-MS] S9Q]283-04 <br /> Benzene 1/26/99 0200 ND 0 188 mg/kg 600-140 940 <br /> Toluene 0200 ND 0 194 600-140 97 0 <br /> Ethylbenzene 0200 ND 0 193 600-140 963 <br /> Xylenes(total) 0 600 ND 0 586 600-140 977 <br /> Surrogate a a a-Triuorotoluene 0200 0199 600-140 995 <br /> Matrix Spike Duo 9010250-MSDI 5,901283-04 <br /> Benzene 1/26/99 0200 ND 0 188 mg/kg 600-140 940 25 0 0 <br /> Toluene 0200 ND 0 187 600-140 93 5 25 0 3 67 <br /> Ethylbenzene 0200 ND 0 193 600-140 965 25 0 0 <br /> Xylenes(total) 0 600 ND 0 584 600-140 97 3 25 0 0 410 <br /> Surrogate a a a-Triffuorotoluene 0200 0198 600-140 99 0 <br /> Sequoia Analytical-Sacramento *Refer to end of report for text of notes and deft s <br /> Sandra R FEanson,Client Services Representative Page 21 of 27 <br />