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SENT BY RECYCLING FOR TOMORROW, 1- 9-97 , 13 39 HUGO NEU-PROLER ,# 3 <br /> tN]IR()%% • 11 <br /> 11 f <br /> Page la <br /> QUALITY CONTROL NARRATIVE <br /> for <br /> Hugo Neu-Proler Co <br /> Client Reference The Learner Co. <br /> Clayton Project No. 96122 . 79 <br /> Semple information/Problems; <br /> There were no problems with sample receipt <br /> Analytical Information/Problems: <br /> Sample detection limits are elevated for EPA Method 8015 <br /> Modified due to matrix interference The sample detection <br /> limits are elevated for gas/btex analysis due to the <br /> Presence of heavlez hydrocarbons <br /> Quality Control,: <br /> The quality control data is summarized In the Quality <br /> Assurance Data Package, which follows the analytical report. <br /> E MS/MSD- A matrix spike and matrix spike duplicate were <br /> analyzed where applicable. Spikes for EPA Method <br /> 801518020 show several results outside quality control <br /> limits due to possible matrix interference The LCS <br /> for this method shows acceptable results <br /> LCS/LCSD; A laboratory control spike and duplicate <br /> were analyzed where applicable, and all results were <br /> acceptable. <br /> • CCV: Response for all analytes met Clayton acceptance <br /> crxtezia. <br /> Surrogate Recoveries. All sample surrogate recoveries <br /> ars diluted out. The surrogate recoveries, where <br /> appli.cable are listed on the report pages . <br />