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cbCurtis &Tompkins Ltd <br /> Lab ;,- 122845 BATCH QC REPORT Page 3 of 1 <br /> TEH-Tot Ext Hydrocarbons <br /> Client Geological Technics, inc Analysis Method. CA LUFT (EPA 8015M) <br /> Pro3ect# 377.2 Prep Method- 3520 <br /> Location Bridges Grand Canal <br /> BLANK SPIKE/BLANK SPIRE DUPLICATE <br /> Matrix- Water Prep Date: 10/02/95 <br /> Batch#- 23632 Analysis Date- 10/04/95 <br /> Units ug/L <br /> Diln Fac: 1 <br /> BS Lab ID- QC05770 <br /> Analyte Spike Added BS %Rec # Limits <br /> Diesel Range 2565 2528 99 60-140 <br /> Surrogate %Rec Limits <br /> L!!e-x acosane 112 60-140 <br /> BSD Lab ID: QC05771 <br /> Analyte Spike Added BSD %Rec # Limits RPD # Limit <br /> Diesel Range 2565 2251 88 60-140 12 <35 <br /> Surrogate %Rec Limits <br /> [_jexaccsane 97 60-140 <br /> # Column to be used to flag recovery and RPD values with an asterisk <br /> * Values outside of QC limits <br /> RPD: 0 out of 1 outside limits <br /> Spike Recovery- 0 out of 2 outside limits <br /> I <br />