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Client: ARCADIS U.S. Inc <br />Project/Site: UPRR-Stockton <br />Job ID: 720-69889-1 <br />Laboratory: TestAmerica P <br />Narrative <br />Comments <br />No additional comments <br />Receipt <br />The sample was received on 1/22/: <br />The temperature of the cooler at re <br />GC/MS VOA <br />Method 8260B: The following volat <br />DL -LOC- (720-69889-1). Elevated <br />No additional analytical or quality is <br />GC Semi VOA <br />Method 8015B: The following <br />dilution, the surrogate spike co <br />information. <br />Case Narrative <br />TestAmerica Job ID: 720-69889-1 <br />Job Narrative <br />720-69889-1 <br />116 9:25 AM; the sample arrived in good condition, properly preserved and, where required, on ice. <br />;ipt was 3.2° C. <br />s sample was diluted due to foaming at the time of purging during the original sample analysis: <br />porting limits (RLs) are provided. <br />were noted, other than those described above or in the Definitions/Glossary page. <br />required a dilution due to the nature of the sample matrix: DL -LOC- (720-69889-1). Because of this <br />ition in the sample was reduced to a level where the recovery calculation does not provide useful <br />Method 8082: The following sample required a tetrabutylammonium sulfite (TBA) clean-up to reduce matrix interferences caused by <br />sulfur: DL -LOC- (720-69889-1), (LCP 720-196097/2-A), (LCSD 720-196097/3-A) and (MB 720-196097/1-A). <br />Method 8082: The following sample appears to contain polychlorinated biphenyls (PCBs); however, due to weathering or other <br />environmental processes, the PCBE in the sample do not closely match any of the laboratory's Aroclor standards used for instrument <br />calibration: DL -LOC- (720-69889-1) The sample has been quantified and reported as Aroclor 1254. Due to the poor match with the <br />Aroclor standard, there is increased qualitative and quantitative uncertainty associated with this result. <br />No additional analytical or quality is$ues were noted, other than those described above or in the Definitions/Glossary page. <br />Metals <br />No analytical or quality issues were noted, other than those described in the Definitions/Glossary page. <br />Organic Prep <br />No analytical or quality issues were <br />noted, other than those described in the Definitions/Glossary page. <br />TestAmerica Pleasanton <br />Page 4 of 26 1/26/2016 <br />F4] <br />