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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 /> Analytical 819 Striker Avenue,Suite 8 Sacramento, CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> v <br /> GeoStr'ategles Iric Client Protect 16 Unocal #0187 � r Sampled Jul` 1`9, 199516 <br /> 3035 Prospect Park Dr, Suite 80 Sample Matrix Soil Received Jul 21, 1995 <br /> Rancho Cordova, CA 95670 Analysis Method EPA 5030/8015/8020 Reported Jul 28, 1995'- <br /> Attention Stephen J Carter First Sample # 507-1047 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I D I.D I D I D I D <br /> mg/kg 507-1047 507-1048 507-1049 507-1050 507-1051 507-1052 <br /> UN-10 UN-25 UN-40 UO-15 UO-25 U040 <br /> Purgeable <br /> Hydrocarbons 1 0 N D 1 7 N D N D N D N D <br /> Benzene 00050 N D N D N D N D N D N D <br /> Toluene 00050 N D N D N D 00083 N D N D <br /> Ethyl Benzene 00050 N D N D N D N D N D N D <br /> Dotal Xylenes 00050 N D N D N D 0 015 00059 N D <br /> Chromatogram Pattern -- Unidentified <br /> Hydrocarbons <br /> >G8 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 10 10 10 1 0 10 <br /> Date Analyzed 7/27/95 7/28/95 7/28/95 7/28/95 7/28/95 7/28/95 <br /> Instrument Identification HP-1 HP-1 HP-1 HP-1 HP-1 HP-1 <br /> Surrogate Recovery, % 91 79 84 88 95 100 <br /> (QC Limits = 70-130°/x) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> UOIA ANALYTICAL, ELAP #2000 <br /> Janet Ha an <br /> Project Manager <br /> 5071047 GS] <1> <br />