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w STL Submission : 2005-04-0622 <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Treadwell & Rollo-San Francisco <br /> i Attn . : David Dixon <br /> 555 Montgomery Street. Suite 1300 <br /> San Francisco, CA 94111 -2554 <br />:l Phone: (415) 955-9040 Fax: (415) 955-9041 <br /> Project: 2597. 11 Received: 04/20/2005 14:00 <br /> 130 N Hunter St. <br /> Batch QC Report <br /> Prep(s): 3550/8015M Test(s): 8015M <br /> Laboratory Control Spike Soil QC Batch # 2005/04/28-03.10 <br /> LCS 2005/04/28-03. 10-002 Extracted: 04/28/2005 Analyzed: 04/28/200514:57 <br /> LCSD 2005/04/28-03. 10-003 Extracted: 04/2812005 Analyzed: 04/28/200514:30 <br /> Compound Conc. mg/Kg I Exp.Conc. Recovery % RPD Ctrl .Limits % Flags <br /> LCS LCSD LCS LCSD % Re RPD <br /> RPD LCS LCSD <br /> Diesel 31 . 1 35.0 41 .3 75.3 84.311 .3 60-130 25 <br /> Surrogates(s) <br /> o-Terphenyl 16.5 17.2 20.0 82.4 85.9 60-130 0 <br /> i <br /> i <br /> i <br /> i <br /> Severn Trent Laboratories, Inc. 05/03/2065 09: 17 <br /> STL San Francisco " 1220 Quarry Lane, Pleasanton, CA 94566 <br /> i <br /> A pm a sa�m nest No Tel 925 484 1919 Fax 9254841096 w .stl-inacorn CA DHS ELAP# 2496 Page 5of6 <br />