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Case Narrative <br /> Client: ENVIRON International Corp. TestAmerica Job ID:720-40629-1 <br /> Project/Site: RLA-Tracy <br /> Job ID: 720.40629-1 <br /> Laboratory:TestAmerica San Francisco <br /> Narrative <br /> Job Narrative <br /> 72040629-1 <br /> Comments <br /> No additional comments. <br /> Receipt <br /> All samples were received in good condition within temperature requirements. <br /> GC/MS VOA <br /> Method(s)8260B:The continuing calibration verification(CCV)associated with batch#108859 recovered above the upper control limit for <br /> Acetone. The samples associated with this CCV were non-detects for the affected analytes;therefore,the data have been reported. The <br /> following samples are impacted:GW-01 (720-40629-16),GW-02(720-40629-11),GW-02-TB(720-40629-10),MW-2(720-40567-1),MW-2 <br /> (720-00567-1 MS),MW-2(72040567-1 MSD). <br /> Method(s)82606:Internal standard responses were outside of acceptance limits for the following sample 40629-14:SB-03-13 <br /> (720-40629-14). The sample(s)shows evidence of matrix interference and confirmed by reanalysis. <br /> Method(s)82608:The following volatiles sample(s)was diluted due to foaming at the time of purging during the original sample analysis: <br /> SB-01-12(72040629-6),SB-01-6(720-40629-5),SB-02-12.5(720-406290,SB-02-6(720-40629-3),SB-03-13(720-40629-14),SB-03-6 <br /> (72040629-15),SB-04-13(720-40629-12),SB-04-6(720-40629-13). Elevated reporting limits(RLs)are provided. <br /> No other analytical or quality issues were noted. <br /> GC/MS Semi VOA <br /> No analytical or quality issues were noted. <br /> GC VOA <br /> No analytical or quality issues were noted. - <br /> Metals <br /> No other analytical or quality issues were noted. <br /> Organic Prep <br /> No analytical or quality issues were noted. <br /> TestAmerica San Francisco <br /> Page 4 of 81 3/6/2012 <br />