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SEQUOIA ANALYTICAL 'RECEIVED AUG t 7 1992 <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX(415) 364-9233 <br /> -1 <br /> . ... ..............: <br /> <RESNA Client Project 1D: W0148.01, Stockton Police Sampled: Jul 31, 1992:.1: <br /> 1710 Main Street Sample Matrix: Soil Received: Aug 3, 19921::: <br /> <Escalon, CA 95320 Analysis Method: EPA 5030/8015/8020 Reported: Aug 13, 1992'.... , <br /> Attention: John Lane <br /> 'First Sample#: 208-0548 <br /> i .... .:..::..n::.::..v.,...:.......nn:............:.H.....v:.:�.:.:.:....:......::......:.:.............n..:.v....v.,.:...................:...n..Y...:................:..:....:vnv..:......,..........:.:nnn.:....�......x.v.:::..x:..:n...:...,....Y...:,.............. <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample <br /> I Analyte Limit I.D. I.D. I.D. I.D. <br /> I mg/kg 208-0548 208-0549 208-0550 208-0551 <br /> SP1-SS1 A-B SP2-SS1 C-D SP3-SS2 E-F SP3-SS2 G-H <br /> Purgeable <br /> Hydrocarbons 1.0 N.D. N.D. 23 N.D. <br /> ` Benzene 0.0050 N.D. N.D. 0.011 N.D. <br /> Toluene 0.0050 N.D. N.D. 0.076 N.D. <br /> Ethyl Benzene 0.0050 N.D. N.D. 0.071 N.D. <br /> i <br /> I: Total Xylenes 0.0050 N,D. N.D. 1.1 N.D. <br /> 4 <br /> Chromatogram Pattern: - Gas& <br /> I'F Non-Gas Mix <br /> >C12 <br /> (dual Control Data <br /> Report Limit Multiplication Factor: 1.0 1.0 1.0 1.0 <br /> Date Analyzed: 8/6/92 8/6/92 8/6/92 8/6/92 <br /> Instrument Identification: GCHP-6 GCHP-6 GCHP-7 GCHP-7 <br /> Surrogate Recovery, %: 103 103 104 95 <br /> (OC Limits = 70-130%) <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 i <br /> is e <br /> Pct <br /> Manager 2080548,WAT <1> <br />