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cbCurtis &Tompkins Ltd <br /> *I I <br /> Laboratory Number 172841 Order Date 06/14/04 ' <br /> Client Treadwell & Rollo <br /> Project Name SDHR-Carando <br /> CASE NARRATIVE ' <br /> This hardcopy data package contains sample results and batch QC results for nine sod , <br /> samples received from the above referenced project The samples were received cool, <br /> but above 6C, and intact <br /> Total Volatile Hydrocarbons (TVH)1BTXE The TVH bromofluorobenzene ' <br /> surrogate recoveries for samples COMPOSITE CPT-EXC-25 (172841-006) and <br /> COMPOSITE CPT-EXC-22 (172841-011) were above acceptance limits due to t <br /> coelution of the surrogate peak with hydrocarbon peaks The associated <br /> trifluorotoluene surrogate recoveries were acceptable, therefore, there is no affect on <br /> the quality of the sample results , <br /> The TVH trnfluorotoluene surrogate recovery for the laboratory control sample (LCS) <br /> was above acceptance limits due to coelution of the surrogate peak with hydrocarbon <br /> peaks The associated bromofluorobenzene surrogate recovery was acceptable, <br /> therefore, there is no affect on the quality of the sample results No other analytical ' <br /> problems were encountered <br /> Total Extractable Hydrocarbons- No analytical problems were encountered ' <br /> Metals: No analytical problems were encountered <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />