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i <br /> LABORATORY NARRATIVE <br /> Mod Method TO-14A <br /> Condor Earth Technologies <br /> Workorder# 0511569 <br />' Two 6 Liter Summa Canister samplesw re received on November 30, 2005 The laboratory performed the <br /> I analysis via Modified Method TO-14A using GC/MS in the full scan mode The method involves direct <br /> mjection of up to a 40 mL sample aliquot into a vapor management system Following dehurrudification the <br /> sample passes directly into the GC/MS for analysis <br /> IMethod modifications taken to run these samples are summarized in the below table Specific project <br /> requirements may aver-ride the ATL modifications <br /> Requirement TO-14A ATL Modifications <br /> Initial Calibration +-30%RSD </=30%RSD with 2 compounds allowed out to<40% <br />' Daily CCV t-30%D </=30%D with 2 allowed out up to 40%,flag and narrate <br /> associated sample results <br /> BFB Tune Absolute Abundance Within 10%of that CCV Internal Standard area counts are compared to the <br /> Criteria from the previous day ICAL,corrective action for>40%D <br /> Blank acceptance criteria <0 2 ppbv <RL <br /> Sampling Drying System Nafion Dryer Multisorbent concentrator <br /> Sample collection media Summa canister ATL recommends use of summa canisters to insure data <br /> defensibility,but will report results from Tedlar bags at <br /> client request <br /> Receiving Notes <br /> I There were no receiving discrepancies <br /> Analytical Notes <br /> There were no analytical discrepancies <br /> Definition of Data Ouahfnng Flags <br /> 7 <br /> Eight qualifiers may have been used on the data analysis sheets and indicates as follows <br /> B - Compound present in laboratory blank greater than reporting limit (background subtraction no <br /> performed) <br /> J- Estimated value <br /> E- Exceeds instrument calibration range <br /> S - Saturated peak <br /> Q - Exceeds quality control limits <br /> U- Compound analyzed for but not detected above the reporting limit. <br /> UJ- Non-detected compound associated with low bras in the CC V <br /> N - The identification is based on presumptive evidence <br /> File extensions may have been used on the data analysis sheets and indicates <br /> as follows <br /> a-File was requantlfied <br /> IPage 2 of 9 <br />