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Page 31 of 82 <br /> alscience <br /> =nvironmental Analytical Report <br /> aboratories, Inc. <br /> Parsons Date Received: 07/10/08 <br /> 2121 North California Blvd., Suite 500 Work Order No: 08-07-0848 <br /> Walnut Creek, CA 94596-7305 Preparation: EPA 5030B <br /> Method: EPA 8015B (M) <br /> Project: Former Tracy MGP Page 3 of 9 <br /> Lab Sample Date/Time Date Date/Time <br /> Client Sample Number Number Collected Matrix Instrument Prepared Analyzed QC Batch ID <br /> E3-1-10 08-07-0848-9-A 07/08/08 Solid GC 22 07/14/08 07/15/08 0807141302 <br /> 11:30 02:44 <br /> Comment(s): -The sample chromatographic pattern for TPH does not match the chromatographic pattern of the specified standard. Quantitation <br /> of the unknown hydrocarbon(s)in the sample was based upon the specified standard. <br /> Parameter Result RL DF Qual Units <br /> TPH as Gasoline 490 25 50 mg/kg <br /> Surrogates: REC % Control Limits Qual <br /> 1,4-Bromofluorobenzene-FID 99 42-126 <br /> E3-1-15 08-07-0848-10-A 07/08/08 Solid GC 22 07/14/08 07/14/08 080714B01 <br /> 11:38 15:58 <br /> Parameter Result RL DF Qual Units <br /> TPH as Gasoline ND 0.50 1 mg/kg <br /> Surrogates: REC(%) Control Limits Qual <br /> 1,4-Bromofluorobenzene-FID 88 42-126 <br /> E3-1-10D 08-07-0848-11-A 07/08/08 Solid GC 22 07/14/08 07/15/08 0807141304 <br /> 11:31 10:06 <br /> Comment(s): -The sample chromatographic pattern for TPH does not match the chromatographic pattern of the specified standard. Quantitation <br /> of the unknown hydrocarbon(s)in the sample was based upon the specified standard. <br /> Parameter Result RL DF Qual Units <br /> TPH as Gasoline 860 25 50 mg/kg <br /> Surrogates: REC % Control Limits Qual <br /> 1,4-Bromofluorobenzene-FID 103 42-126 <br /> RL-Reporting Limit DF-Dilution Factor Qual-Qualifiers <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 FAX: (714) 894-7501 <br />