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Case Narrative <br /> Client: Conestoga-Rovers&Associates, Inc. TestAmerica Job ID: 720-64484-1 <br /> Project/Site: Delta Island/080238 <br /> Job ID: 720-64484-1 <br /> Laboratory:TestAmerica Pleasanton <br /> Narrative <br /> Job Narrative <br /> 720-64484-1 <br /> Comments <br /> No additional comments. <br /> Receipt <br /> The samples were received on 4/30/2015 4:15 PM;the samples arrived in good condition,properly preserved and,where required,on ice. <br /> The temperatures of the 2 coolers at receipt time were 1.1°C and 4.7°C. <br /> Except: <br /> Client email TAT change from 10 day to 5 day.4/30/15 @ 17:45 <br /> GC Semi VOA <br /> Method 8081 A:The%RPD between the primary and confirmation column exceeded 40%for DDE,a-&gamma-chlordane for the <br /> following samples:COMPBLD-1-0.5(720-64484-40). The lower value has been reported and qualified in accordance with the <br /> laboratory's SOP. <br /> Method 8081A:The%RPD between the primary and confirmation column exceeded 40%for a- <br /> chlordane for the following samples:COMPBLD-2-0.5(720-64484-42)and COMPBLD-2-2.5(720-64484-43). The lower value has been <br /> reported and qualified in accordance with the laboratory's SOP. <br /> Method 8081A:The%RPD between the primary and confirmation column exceeded 40%for DDD,a-&gamma-chlordane for the <br /> following samples:COMPBLD-3-0.5(720-64484-44). The lower value has been reported and qualified in accordance with the laboratory's <br /> SOP. <br /> Method 8081A:The%RPD between the primary and confirmation column exceeded 40%for a-&gamma-chlordane for the following <br /> samples:COMPSITE-S-7/8(720-64484-16),COMPBLD-4-0.5(720-64484-46),COMPBLD-4-2.5(720-64484-47),COMPBLD-5-0.5 <br /> (720-64484-48)and COMPBLD-6-2.5(720-64484-51). The lower value has been reported and qualified in accordance with the <br /> laboratory's SOP. <br /> Method 8081A:The%RPD between the primary and confirmation column exceeded 40%for methoxychlor,DDD,DDE,a-& <br /> gamma-chlordane for the following samples:COMPBLD-6-0.5(720-64484-50). The lower value has been reported and qualified in <br /> accordance with the laboratory's SOP. <br /> No additional analytical or quality issues were noted,other than those described above or in the Definitions/Glossary page. <br /> Metals <br /> Method 60108:The following sample was diluted due to the abundance of non-target analyte:B-4-GW(720-64484-20). Elevated reporting <br /> limits(RLs)are provided. <br /> Method 6010B:The following samples was diluted due to the abundance of non-target analyte:BLD-7-0.5(720-64484-28),BLD-11-0.5 <br /> (720-64484-32)and BLD-12-0.5(720-64484-33). Elevated reporting limits(RLs)are provided. <br /> No additional analytical or quality issues were noted,other than those described above or in the Definitions/Glossary page. <br /> Organic Prep <br /> No analytical or quality issues were noted,other than those described in the Definitions/Glossary page. <br /> TestAmerica Pleasanton <br /> Page 4 of 81 5/7/2015 <br />