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Sequoia680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> t 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> 15) <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX (916)921-0 100 <br /> 4MPDS Services Client project ID Unocal#6981,4707 Pacific Ave,Stockton Sampled Jul 26-27, 1995 <br /> 2401 Stanwell Dr, Ste 300 Matrix Descript Water Received Jul 27, 1995 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015 Mod /8020 Reported Aug 10, 1995 <br /> Attention Sarkis Karkarian First Sample # 507-2006 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample Purgeable Ethyl Total <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> Mg/L ug/L Mg/L pg/L pg/L <br /> 507-2006 MWi NO NO 064 NO 084 <br /> 507-2007 MW2 3,300 640 26 NO 13 <br /> 507-2008 MW3 NO NO ND NO NO <br /> 507-2009 MW4 130 15 1 7 NO 21 <br /> 507-2010 MW5 150 21 24 NO 1 9 <br /> 507-2011 MW6 NO 055 1 9 NO 23 <br /> 507-2012 MW7 330 17 61 23 62 <br /> 507-2013 MW8 NO 079 22 NO 27 <br /> Detection imi s 50 050 0 50 0 50 0 50 <br /> Total Purgeable Petroleum Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as ND were not present above the stated lima of detection <br /> SEQUOIA ANALYTICAL, #1271 <br /> Oignature on File <br /> Alan B Kemp <br /> Project Manager <br /> 5072006 MPD <1> <br />