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680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (5 10) 988 9600 FAX (5l0) 988 9673 <br /> Analytical <br /> ' 319 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> jai�"ncho <br /> a Environmental Consultants Client Project ID Unocal #5886 Sampled Jul 27, 1995 <br /> 14 Gold Camp Dr, Suite 200 Sample Matrix Soli Received Jul 28, 1995 <br /> Cordova, CA 95670 Analysis Method EPA 5030/8015/8020 deported Aug 4, 1995 <br /> ' Attention Eric Holm First Sample # 507-1456 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D 10 1 10 1 I D <br /> ' mg/kg 507-1456 507-1457 507-1458 507-1459 507-1460 507-1461 <br /> P-1-NW-9 P 1-NE-9 P 1-SW-9 P-1-SE 9 P 1-C-9 P 2 NW-9 5 <br /> ' Purgeable <br /> Hydrocarbons 1 0 N D N D 90 5 1 N D N D <br /> ' Benzene 00050 N D N D N D N D N 0 N D <br /> ' Toluene 0 0050 N D N D 0 014 N D N D N D <br /> Ethyl Benzene 00050 N D N D 0 014 00062 N D N D <br /> ' Total Xylenes y 00050 ND ND ND ND ND ND <br /> PChromatogram Pattern - - Urudenttfied Unidentified - - <br /> Hydrocarbons Hydrocarbons <br /> CS-C12 Cn"-C12 <br /> ' Quality Control Data <br /> Report limit Multiplication Factor 1 0 1 0 1 0 1 0 1 0 1 0 <br /> Date Analyzed 8/1/95 8/1/95 8/1/95 8/1/95 8/1/95 8/1/95 <br /> Instrument identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 107 112 108 103 95 103 <br /> (CC Limits = 70-130%) <br /> i <br /> Pjrgeanle Hydrocarbons are quantitate❑ against a fresh gasoline standard <br /> Analytes reported as N 1) were not detected at or amwo the reoonmg ftmlt <br /> SEQUOIA ANALYTICAL, ELAP 1#1624 <br /> lnda C Schneider <br /> rolect Manager <br /> 5071456 OLT <1> <br />