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' Sequoia 630 Chesapeake Drive Rcdwood Cry CA 94063 {415) 3o4 9600 FAX 14151 364 9233 <br /> 1900 Bads avcnue Since L Concord C.A 94320 15101 o96 9000 FAX 1510) 636 9099 <br /> Analytical 319 Stnker Avenue Sutce 3 Sacramento Ca 95334 (916) 921 9600 FAX 1916) 921 0100 <br /> EA Engineering Science &Tech - --Client Prod ID 83739421307 Exxon 7-3942 Sampled 02/17/95 - <br /> 3468 Mt Diablo Blvd Ste 6100 Sample Descript MW-4 Received 02/21/95 <br /> Lafayette, CA 94549 Matrix LIQUID - <br /> Analysis Method 8015Mod/8020 Analyzed 02/23/95 <br /> --Attention M Cravink Lab Num-ber 95_02C36_-14 _Reported 0.2f27j95 __- <br /> C Batch Number GCO22295BTEX01A <br /> nstrument ID GCHP01 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br />' Analyte Detection Limit Sample Results <br /> ug/L ug/L <br />' TPPH as Gas 50 880 <br /> Benzene 050 6 4 <br /> Toluene 050 N D <br /> Ethyl Benzene 050 32 <br />' Xylenes (Total) 050 34 <br /> Chromatogram Pattern <br /> Non Gas Mix <C8f <br /> Weathered Gas C8-C12 <br /> 1 <br /> Surrogates Control Limits % % Recovery <br /> ifluorotoluene 70 130 93 <br /> 1 <br />(alytes r6aw;oCrot present above the stated limit of detection <br /> EQUOIAL - ELAP #1210 <br /> anne Chin <br /> F <br /> ect Manager Page 14 <br /> 1 <br />