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�(�L � STL Submission#: 2003-06-0164 <br /> Geomatrix Consultants June 10, 2003 <br /> 2101 Webster St.,12 th Floor <br /> Oakland, CA 94612 <br /> Attn.: Martin Bloes <br /> Project#: 7243.011 C <br /> Project: 7243.011 C <br /> Case Narrative <br /> General and Sample Comments <br /> We (STL San Francisco) received 5 Water samples , on Thursday, June 05, 2003 <br /> 6:10 PM. <br /> Analysis Coments and Flags by QC Batch <br /> PNA analysis by 8270C/SIM GC/MS Water QC Batch#: 2003/06/05-01.40 <br /> S3-1-060503 2003-06-0164-001 <br /> Compound Flaq(s) <br /> sl Surrogate recoveries were lower than QC limit due to matrix interference, <br /> confirmed by reanalysis. <br /> S3-4-060503 2003-06-0164-004 <br /> Compound Flaq(s) <br /> sl Surrogate recoveries were lower than QC limit due to matrix interference, <br /> confirmed by reanalysis. <br /> S3-5-060503 2003-06-0164-005 <br /> Compound Flaq(s) <br /> sl Surrogate recoveries were lower than QC limit due to matrix interference, <br /> confirmed by reanalysis. <br /> Total Extractable Petroleum Hydrocarbons Water QC Batch#: 2003/06/05-05.10 <br /> (TEPH) <br /> Method Blank 2003/06/05-05.10-005 <br /> Compound Flaq(s) <br /> b Analyte was found in the method blank at a concentration greater <br /> than the reporting limit. <br /> Diesel Water QC Batch#: 2003/06/05-05.10 <br /> S3-2-060503 2003-06-0164-002 <br /> Analysis Flaq(s) <br /> rl Reporting limits raised due to reduced sample size. <br /> S3-2-060503 2003-06-0164-002 <br /> Compound Flaq(s) <br /> ndp Hydrocarbon reported does not match the pattern of our Diesel standard <br /> S3-3-060503 2003-06-0164-003 <br /> Analysis Flaq(s) <br /> rl Reporting limits raised due to reduced sample size. <br /> Severn Trent Laboratories, Inc. <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> A Part of Severn Trent Plc Tel 925 484 1919 Fax 925 484 1096'www.stl-inc.com"CA DHS ELAP#2496 Page 2 of 2 <br />