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Case Narrative C <br /> Client: Environmental Cost Management, Inc. TestAmerica Job ID: 720-41638-1 <br /> Project/Site: Nestle-Ripon <br /> Job ID: 720-41638-1 <br /> Laboratory:TestAmerica Pleasanton <br /> Narrative <br /> Job Narrative <br /> 720-41638-1 <br /> Comments <br /> No additional comments. <br /> Receipt <br /> The samples were received on 4/18/2012 2:00 PM;the samples arrived in good condition,properly preserved and on ice. The <br /> temperature of the cooler at receipt was 3.60 C. <br /> Except: <br /> No sample date was listed on the COC,sample date was taken from sample labels. <br /> GC/MS VOA <br /> Method 524.2:The continuing calibration verification(CCV)for chloromethane and chlorodifluoromethane associated with batch 21338 <br /> recovered above the upper control limit. The samples associated with this CCV were non-detects for the affected analytes;therefore,the <br /> data have been reported. <br /> Method 524.2:The matrix spike/matrix spike duplicate(MS/MSD)recoveries for batch 21338 were outside control limits. The associated <br /> laboratory control sample(LCS)recovery met acceptance criteria. <br /> Method 524.2:The laboratory control sample(LCS)and/or laboratory control sample duplicate(LCSD)for batch 21338 exceeded control <br /> limits for the following analytes:chloromethane. These analytes were biased high in the LCS and were not detected in the associated <br /> samples;therefore,the data have been reported. <br /> No other analytical or quality issues were noted. <br /> TestAmerica Pleasanton <br /> Page 4 of 26 4/27/2012 <br />