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Sequoia 680 peake Drive Redwood City,CA 9406 (650)364-9600 FAX(650)364-9233 <br /> 404 N.Wiget Lane Walnut Creek.CA 945,E (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento CA-95834 ($t6j-9_21..$600 FAX(916)921-0100 <br /> 1455 McDowell Blvd.North.Ste.D Petaluma;GfV 94-45,47- (707)7924865 FAX(707)792-0342 <br /> :1{ i J <br /> Getller-Ryan-Dubiin Cllent Project Ib: Tosco 76#11193, Stockton Sampled. Dec 10, 1998::: <br /> 6747 Sierra Court, Suite J Sample Matrix: Soil "fir Received: Dec 10, 1998:::: <br /> X. Dublin, CA 94568 Analysis Method: EPA 5030/8015 Mod./8020 Reported: Dec 14, 1998::: <br /> Attention: Haig Kevork First Sample#: 812-0913 ; <br /> ::.................................................................. .................... .. .Y.. <br /> 9 <br /> : :.. <br /> :::::::v:.::.:::::::::::. .�::::::��.:. :.�i:�iiiiiii:'iii:ti:•iiii:i::•i:•:i:v::•iiii:".:ii::^i:�iJii:�i:iiiiiii:<�iiiiii:�iii:iiiiii:<:�.::!, v:''::':ii:i•i �::. ::� .:.... �9 ii:� ..... ....__ <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <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 812-0913 812-0914 812-0915 812-0916 812-0917 812-0918 <br /> 1E 1W 2E 2W 3E 3W <br /> Purgeable <br /> Hydrocarbons 1.0 N.D. N.D. N.D. N.D. N.D. 31 <br /> Benzene 0.0050 0.10 0.025 0.13 N.D. 0.16 0.27 <br /> Toluene 0.0050 N.D. N.D. N.D. N.D. N.D. 0.035 <br /> Ethyl Benzene 0.0050 N.D. N.D. N.D. N.D. N.D. 0.40 <br /> Total Xylenes 0.0050 0.14 N.D. N.D. N.D. N.D. 0.98 <br /> MTBE 0.050 68 5.8 40 60 86 11 <br /> Chromatogram Pattern: - - Gasoline& <br /> Unidentified <br /> Hydrocarbons <br /> C6-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 20 1.0 20 20 20 5.0 <br /> Date Analyzed: 12/11/98 12/11/98 12/11/98 12/11/98 12/11/98 12/11/98 <br /> Instrument Identification: HP-4 HP-4 HP-4 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, %: 112 87 134 142 94 116 <br /> (OC Limits = 40-140%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> SEQUOIA ANALYTICAL,#1271 <br /> ulianne Fegley <br /> Project Manager <br /> 8120913.GET <1> <br />