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Y Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364-9233 <br /> 404 N Wiget line Walnut Creek CA 94598 (510) 988 9600 FAX(510)988-%73 <br /> Analytical 819 Sinker Avenue Sumte 8 Sacramento CA 95834 (9t6) 921 9600 FAX(916)921-0100 <br /> =Canonle Environmental --- - - Client Proj ID 94-367, Stockton Fire#2 W -� Sampled 03/23/95~ <br /> _ 7901 Stoneridge Dr, Ste 100 Sample Descript SFS #2 MW-1 Received 03/27/95 =_ <br /> Pleasanton, CA 94578 Matra LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 03/30/95 <br /> Attention John Lane _ Lab Number 9503J54-01 _ReQorted 0�17f95 <br /> QC E(i f c�F Number GC033095BTEX06A <br /> Instrument ID GCHP06 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas --- •- •- ---- 250 ... .. .. ..... .. 830 <br /> Benzene ... ... .. ... .... 2.5 ... ....... .... ... 59 <br /> Toluene .. . ..... 2.5 ........... ... •.• 96 <br /> Ethyl Benzene ......... ......... 2.5 .......... . .. . .. 21 <br /> Xylenes (Total) .-- - .. ... .... 2.5 . .. ... .... .. 100 <br /> Chromatogram Pattern• ... .. .. ....... ... . ..... .... . Gas <br /> Surrogates Control Limits% % Recove <br /> Trlfiluorotoluene 70 130 113 <br /> Analytes reported as N D were not present above the stated lim1t of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> e Tague Clark <br /> Project Manager Page 2 <br />