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STL Submission# 2003-08-0309 <br /> Cambria Environmental Sonoma September 03, 2003• <br /> 270 Perkins Street <br /> Sonoma, Ca 95476 <br /> Attn Aubrey Cool <br /> Project# 245-0943 <br /> Project 97093419 <br /> Site 1267 Country Club Dr , Stockton <br /> Case Narrative <br /> General and Sample Comments <br /> We (STL San Francisco) received 15 Soil samples , on Friday, August 08, 2003 <br /> 2 05 PM <br /> For diesel analysis hydrocarbon reported was flagged ndp Upon review of the <br /> chromatography It was found that the hydrocarbon reported does not resemble <br /> diesel It eludes in the later diesel range It is hard to Identify due to the lora <br /> concentrations <br /> Analysis Coments and Flags by QC Batch <br /> Diesel Soil QC Batch# 2003108118-03 10 • <br /> CPT-3-5 2003-08-0309-001 <br /> Compound Flag(s) <br /> ndp Hydrocarbon reported does not match the pattern of our Diesel standard <br /> CPT-7-5' 2003-08-0309=013 <br /> Compound Flag(s) <br /> ndp Hydrocarbon reported does not match the pattern of our Diesel standard <br /> CPT-7-5' 2003-08-0309-013 <br /> Compound Flag(s) <br /> sl Surrogate recoveries were lower than QC limit due to matrix Interference, <br /> confirmed by reanalysis <br /> [Diesel Soil QC Batch# 2003108119-05 10 <br /> CPT-4-5' 2003-08-0309-004 <br /> Compound Flag(s) <br /> ndp Hydrocarbon reported does not match the pattern of our Diesel standard <br /> Sevem Trent Laboratories, Inc <br /> STL San Francisco*1220 Quarry Lane,Pleasanton CA 94566 <br /> A port d swam T,wo Pb Tel 925 484 1919 Fax 925 484 1096*www stianccom*CA DHS FLAP#2496 Page 2 of 2 <br />