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Page 7 of 33 <br /> alscience <br /> �_nvironmental Analytical Report <br /> aboratories, Inc. <br /> Arcadis US, Inc. Date Received: 05/01/10 <br /> 2033 North Main Street, Suite 340 Work Order No: 10-05-0027 <br /> Walnut Creek, CA 94596-3727 Preparation: EPA 35508 <br /> Method: EPA 8015B (M) <br /> Project: PG&E C-51 Tank Site / B0092341.0000.00001 Page 3 of 4 <br /> Lab Sample Date/Time Date Date/Time <br /> Client Sample Number Number Collected Matrix Instrument Prepared Analyzed QC Batch ID <br /> F <br /> 62-5.5-6.0 10-05-0027-7-A 04/28/10 Solid GC 46 05/03/10 05/04/10 1005031305 <br /> 12:00 09:28 <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 /> -Results are reported on a dry weight basis. <br /> Parameter Result RL DF Qual Units <br /> TPH as Diesel 36 11 2 mg/kg <br /> Surrogates: REC % Control Limits Qual <br /> Decachlorobiphenyl 96 61-145 <br /> C51-SB2-7.5-8.0 10-05-0027-8-A 04/28/10 Solid GC 46 05/03/10 05/04/10 100503605 <br /> 12:15 09:43 <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 /> -Results are reported on a dry weight basis. <br /> Parameter Result RL DF Qual Units <br /> TPH as Diesel 14 5.8 1 mg/kg <br /> Surrogates: REC(%) Control Limits Qual <br /> Decachlorobiphenyl 107 61-145 <br /> C51-SB3-1.5-2.0 10-05-0027-9-A 04/28/10 Solid GC 46 05/03/10 05/04/10 100503605 <br /> 11:20 09:59 <br /> Results are reported on a dry weight basis. <br /> Parameter Result RL DF Qual Units <br /> TPH as Diesel ND 5.4 1 mg/kg <br /> Surrociates: REC % Control Limits Qual <br /> Decachlorobiphenyl 114 61-145 <br /> RL-Reporting Limit DF-Dilution Factor Qual-Qualifiers <br /> WA <br /> 7440 Lincoln Way, Garden Grove, CA 92841-1427 • TEL:(714) 895-5494 FAX: (714) 894-7501 <br />