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4D Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> qwr Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> *IRDS Services Client Project ID Unocal#5421,7303 Pacific Ave,Stockton Sampled Dec 1, 1995 <br /> 2401 Stanwell Dr. Ste 300 Sample Matrix Water Received Dec 1, 1995 <br /> Concord, CA 94520 Analysis Method EPA 3510/8015 Mod Reported Dec 19, 1995 <br /> Attention Jarrel Crider First Sample# 512-0248 <br /> TOTAL EXTRACTABLE PETROLEUM HYDROCARBONS <br /> Reporting Sample <br /> Analyte Limit I D <br /> Mg/L 512-0248 <br /> MW1* <br /> Extractable <br /> Hydrocarbons 50 320 <br /> Chromatogram Pattern Discrete <br /> Peaks <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 <br /> Date Extracted 12/5/95 <br /> Date Analyzed 12/6/95 <br /> Instrument Identification HP-313 <br /> Extractable Hydrocarbons are quantitated against a fresh diesel standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQUOIA ANALYTICAL, #1271 Please Note <br /> * This sample does not appear to contain diesel "Discrete Peaks"refers to unidentified peaks <br /> Oignature on File in the EPA 8270 range <br /> Alan B Kemp <br /> Project Manager <br /> 5120248 MPD <37 <br /> .4� <br />