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Sequoia 6801 tpeake Drive Redwood City, CA 94062 (650) 364-9600 FAX (650) 364-9233 <br /> I 404 N. Wiger Lane Walnut Creek, CA 94598 (925) 988-9600 FAX (925) 988-9673 <br /> 819 Sinker Avenue- Suite 8 Sacramento, CA 95834 (916 ) 921 -9600 FAX (916) 921 - 0100 <br /> Analytical 1455 McDowell Blvd. North, Ste. D Petaluma. CA 94954 (707) 792- 1865 FAX (707) 792-0342 <br /> i <br /> Gettler-Ryan- Dublin Client Prolecf ID : Chevron #9 3232, Stockton Sampled: Mar 11 , 1999 .. <br /> 6747 Sierra Court, Suite J Sample Matrix: Soil Received: Mar 11 , 19997; <br /> Dublin, CA 94568 Analysis Method : EPA 5030/8015 Mod . /8020 Reported : Mar 16, 1999" <br /> Attention: Greg Gurss First Sample #: 903-1098 <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- 1 - D. I. D. I-D- <br /> mg/Kg 903-1098 903-1099 903-1100 903-1101 903-1102 903-1103 <br /> TK2-S (21 ) TK3-N TK3-S TK4-N TK4-N (17) TK4-S <br /> Purgeable <br /> Hydrocarbons 1 . 0 51 N . D. N. D. 2.0 N. D. N. D. <br /> Benzene 0.0050 N . D, N. D . N . D . N . D. N. D. N ,D. <br />;i <br /> Toluene 0.0050 N, D, N. D. N . D , N . D, N . D. N. D. <br /> Ethyl Benzene 0.0050 0.65 N. D. 0. 0050 N. D, N . D, N . D, <br /> j Total Xylenes 0.0050 3.5 N. D. 0.21 0.014 N . D. N . D. <br /> MTBE 0.050 N . D. 0.33 0. 11 N. D. N . D. N . D . <br /> i <br /> Chromatogram Pattern: Gasoline & Gasoline & <br /> Unidentified Unidentified <br /> Hydrocarbons Hydrocarbons <br /> > C7 C6 - C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 20 1 .0 1 . 0 1 .0 1 .0 1 .0 <br /> Date Analyzed : 3 / 13/99 3 / 13/99 3/ 13/99 3/13/99 3/13/99 3/13/99 <br /> i <br /> Instrument Identification : HP-4 HP-4 HP-4 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, % : 90 79 73 70 75 71 <br /> (QC 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 /> 9031092.GET < 2 > <br /> i <br />