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SEQUOIA ANALYTICAL � <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 - FAX (415) 364-9233 <br /> ,RESNA Client Project ID W0402 00, Holt Bros Sampled Sep 28, 1993 <br /> 1710 Main Street Sample Matra Water Received Sep 29, 1993Y <br /> Escalon, CA 95320 Analysis Method EPA 5030/8015/8020 Reported Oct 13, 1993,,' <br /> Attention John Lane First Sample # 31E9601 v s A <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample <br /> Analyte Limit I.D. I.D. 1 D. <br /> pg/L 31E9601 31E9602 31E9603 <br /> HB MW2 HB MWS HB MW6 <br /> Purgeable <br /> Hydrocarbons 50 N D 440 N D <br /> Benzene 0 SO N D 24 N D <br /> Toluene 0 SO N D N D N D <br /> i <br /> Ethyl Benzene 0 SO N D 2 0 N D <br /> Total Xylenes 0 SO N D 37 N D <br /> Chromatogram Pattern -- Gas + -- <br /> Non-Cas <br /> Mix <br /> >C8 <br /> Quality Control Data <br /> Report Llmr4 Multiplication Factor 1 0 1 0 1 0 <br /> Date Analyzed 10/5/93 10/4/93 10/4/93 <br /> Instrument Identification GCHP-3 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 93 81 8o <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 /> &EQUOIA ANALYTICAL <br /> Vickie Tague <br /> Project Manager 31£9601 WAT <1> <br />