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1,==a1science <br />Aw_ nvironmental <br />s <br />aboratories, Inc. <br />Cardno ERI <br />601 North McDowell Blvd. <br />Petaluma, CA 94954-2312 <br />Analytical Report <br />Date Received: <br />Work Order No: <br />Preparation: <br />Method: <br />Page 3 of 43 <br />05/26/11 <br />11-05-1637 <br />EPA 3510C <br />EPA 8015B (M) <br />Project: ExxonMobil 99CAS/022789C <br />-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 />Page 2 of 5 <br />Lab Sample <br />Date/Time <br />Date <br />Date/Time <br />Client Sample Number <br />Number <br />Collected Matrix <br />Instrument Prepared <br />Analyzed QC Batch ID <br />W 33-MW4 <br />11-05-1637-4-G <br />05/19111 Aqueous <br />GC 45 05/26/11 <br />05/27111 110526808 <br />W-33-MW7 <br />11-05-1637-6-G 05118/11 Aqueous <br />13:35 <br />07:00 <br />Comment(s): -The sample extract was subjected to Silica Gel treatment prior to analysis. <br />Comment(s): <br />-Sample received after recommended holding time. <br />Parameter Result <br />RL <br />DF Qual <br />Units <br />Parameter <br />TPH as Diesel 410 <br />50 <br />1 <br />ug/L <br />ug/L <br />Surrogates: REC (%) Control Limits Qual <br />Decachlorobiphenyl 100 68-140 <br />W-33-MW5 11-05-1637-5-G 05119/11 Aqueous GC 45 05/26/11 05/27111 110526B08 <br />11:15 07:16 <br />Comment(s): <br />-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 />-The sample extract was subjected to Silica Gel treatment prior to analysis. <br />Parameter <br />Result RL DF Qual <br />Units <br />TPH as Diesel <br />70 50 1 <br />ug/L <br />Surrogates: <br />REC % Control Limits Qual <br />Decachlorobiphenyl <br />88 68-140 <br />W-33-MW7 <br />11-05-1637-6-G 05118/11 Aqueous <br />GC 45 05/26/11 05/27111 110526B08 <br />14:50 <br />07:31 <br />Comment(s): <br />-Sample received after recommended holding time. <br />-The sample extract was subjected to Silica Gel treatment prior to analysis. <br />Parameter <br />Result RL DF Qual <br />Units <br />TPH as Diesel <br />ND 50 1 U <br />ug/L <br />Surrogates: REC °o Control Limits Qual <br />Decachlorobiphenyl 99 68-140 <br />W-34-MW8 11-05-1637-7-G 05118/11 Aqueous GC 45 05126/11 05127/11 110526608 <br />15:45 07:46 <br />Comment(s): -Sample received after recommended holding time- <br />-The sample extract was subjected to Silica Gel treatment prior to analysis. <br />Parameter Result RL DF Qual Units <br />TPH as Diesel ND 50 1 U ug/L <br />Surrogates: REC Control Limits Qual <br />Decachlorobiphenyl 106 68-140 <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 />