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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364%00 FAX(415) 364 9233 <br /> 404 N Iget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> !-IN Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> *S Services Client project ID Unocal#6981,4707 Pacific Ave,Stockton Sampled Oct 15 - 16, 97 <br /> 2401 Stanwell Dr, Ste 300 Matrix Descript Water Received Oct 16, 1997 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015 Mod /8020 Reported Oct 31, 1997 <br /> Attention Jarrel Crider First Sample# 710-1203 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample Chromatogram DL Mult Date Instrument Surrogate <br /> Number Description Pattern Factor Analyzed ID Recovery, % <br /> QC Limits <br /> 70-130 <br /> 710-1203 MW-2 Gasoline 200 10/24/97 HP-4 105 <br /> 710-1204 MW-4 -- 10 10/24/97 HP-4 104 <br /> 710-1205 MW-5 -- 10 10/24/97 HP-4 104 <br /> 710-1206 MW-6 -- 10 10/24/97 HP-4 104 <br /> �10-1207 MW-7 -- 10 10/28/97 HP-4 104 <br /> 710-1208 MW-9 -- 10 10/28/97 HP-4 106 <br /> 710-1209 VIN-1 -- 10 10/28/97 HP-4 104 <br /> 710-1210 VW-3 -- 10 10/28/97 HP-4 104 <br /> SUOIA ANALYTICAL, #1271 <br /> Slg ure on File <br /> Alan 6 Kemp <br /> Project Manager Page 2 of 2 <br /> 7101203 MPD a2> <br /> r�� <br />