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EN 1 I RON%I E\T aL <br /> C 0 N S L I T A\T 5 <br /> I <br /> 1 QUALITY CONTROL NARRATIVE Page la <br />' for <br /> Hugo Neu-Proler Co. <br /> Client Reference. The Learner Co <br /> Clayton Project No 96122 79 <br />' Sample Information/Problems: <br /> There were no problems with sample receipt <br />' <br /> Analytical Information/Problems : <br />' Sample detection limits are elevated for EP= Method 8035 <br /> Modified due to matrix interference T-:e sa-mple detection <br /> limits are elevated for gas/btex analysis d..e to the <br />' presence of heavier hydrocarbons <br /> Quality Control: <br />' The quality control data is summarized in the Quality <br /> Assurance Data Package, which follows tie analytical report . <br />'S • MS/MSD A matrix spike and matrix spike duplicate were <br /> analyzed where applicable. Spikes for EPA Method <br /> 8015/8020 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 /> criteria <br /> ' Surrogate Recoveries . All sample surrogate recoveries <br />' are diluted out The surf-ogate recoveries , where <br /> applicable are listed on the report paces <br /> 1 <br /> 1 <br /> 1 <br />