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Page 5 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: 10-05-0026 <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 1 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 /> 63-5.5-6.0 10-05-0026-1-A 04/28/10 Solid GC 45 05/03/10 05/04/10 1005031304 <br /> 11:45 01:11 <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 /> Surrogates: REC % Control Limits Qual <br /> Decachlorobiphenyl 100 61-145 <br /> C51-SB3-7.5-8.0 10-05-0026-2-A 04/28/10 Solid GC 45 05/03/10 05/04/10 1005031304 <br /> 12:05 01:27 <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 6.4 5.8 1 mg/kg <br /> Surrogates: REC % Control Limits Qual <br /> Decachlorobiphenyl 116 61-145 <br /> C51-SB4-1.5-2.0 10-05-0026-3-A 04/28/10 Solid GC 45 05/03/10 05/04/10 1005031304 <br /> 10:50 01:42 <br /> Results are reported on a dry weight basis. <br /> Parameter Result RL DF Qual Units <br /> TPH as Diesel ND 6.3 1 mg/kg <br /> Surrogates: REC % Control Limits Qual <br /> Decachlorobiphenyl 102 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 />