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Sequoia 680 Chesapeake Drive Redwood C1ty,CA 94063 (415) 364 9600 FAX(415) 364 9233 J <br /> 404 N Wiget Lane Walnut Creek,CA 94.598 (510) 988 9600 FAX(510)988 9673 <br /> %70 Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 + FAX(916)92f'0100 <br /> 4 <br /> i., ins 3n i_N: »...».. ... i-;.I — <br /> F' Blaine Tech»Services Client Prol ID Shell Stockton 970822-J4 Sampled 08%22/97 M»ill <br /> i' 1680 Rogers Avenue Sample Descrlpt MW-3 Received 08/25/97 <br /> = San Jose, CA 95112 Matrix LIQUID <br /> ' Analysis Method 8015Mod/8020 Analyzed 08/28/97 ' <br /> Attention Fran Thie _ _ » Lab Number 9708D38-03_____ _ » --Reported 09108J97 L, <br /> QC Batch Number GCO82897BTEX02A <br /> Instrument ID GCHP02 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> _Analyte____ _ _ ----_Detection Limit------Sample Results -- <br /> ug/L ug/L <br /> TPPH as Gas .. 500 .... ... 4300 <br /> Methyl t-Butyl Ether .. ... 6.25 .. . . . . . . 87 <br /> Benzene .. ..... . 5.0 ... .. .. 290 <br /> Toluene .... ...-- 640 <br /> Ethyl Benzene .... . .. ... so -. 87 <br /> Xylenes (Total) ... 5.0 670 <br /> Chromatogram Pattern: .. .. C6-C12 <br /> Surrogates Control Limits % % Recovery <br /> Trrfluorotoluene 70 130 106 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQ A PLYTICAL - ELAP #1210 <br /> Peggy a er --- - - <br /> Project anager Page <br />