Laserfiche WebLink
Case Narrative <br /> Client: Patriot Environmental Services Job ID: 440-250736-1 <br /> Project/Site: French Camp <br /> Job ID: 440-250736-1 <br /> Laboratory: Eurofins TestAmerica, Irvine <br /> Narrative I <br /> Job Narrative <br /> 440-250736-1 <br /> Comments <br /> No additional comments. <br /> Receipt <br /> The samples were received on 9/21/2019 11:30 AM;the samples arrived in good condition, properly preserved and,where required, on <br /> ice. The temperature of the cooler at receipt was 1.0°C. <br /> GC/MS VOA <br /> No analytical or quality issues were noted, other than those described in the Definitions/Glossary page. <br /> GC/MS Semi VOA <br /> Method(s)8270C:The laboratory control sample and/or the laboratory control sample duplicate(LCS/LCSD)for preparation batch <br /> 440-570836 and analytical batch 440-570955 recovered outside control limits for the following analyte(s): Benzidine. Benzidine is known <br /> to be subject to oxidative losses during solvent concentration using this method;therefore, re-extraction and re-analysis were not <br /> performed. Benzidine is reported as possible low bias. <br /> No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page. <br /> GC VOA <br /> Method(s)801513:The following samples was diluted due to the nature of the sample matrix: UPRR-COMPOSITE(440-250736-5). <br /> Elevated reporting limits RL is provided. <br /> No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page. <br /> GC Semi VOA <br /> Method(s)80158:The method blank for preparation batch 440-571667 and analytical batch 440-571645 contained C23-C40 above the <br /> method detection limit. This target analyte concentration was less than the reporting limit(RL);therefore, re-extraction and re-analysis of <br /> samples was not performed. <br /> Method(s)801513: Surrogate recovery for the following sample was outside control limits: UPRR-COMPOSITE(440-250736-5). Evidence <br /> of matrix interference is present;therefore, re-extraction and re-analysis was not performed. <br /> No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page. <br /> Metals <br /> Method(s)60108:The matrix spike/matrix spike duplicate(MS/MSD)recoveries of Antimony for preparation batch 440-571615 and <br /> analytical batch 440-571896 were outside control limits. Sample matrix interference and/or non-homogeneity are suspected because the <br /> associated laboratory control sample(LCS) recovery was within acceptance limits. <br /> No additional analytical or quality issues were noted, other than those described above or in the Definitions/Glossary page. <br /> Organic Prep <br /> Method(s)8270C_3546:The following sample was diluted due to the nature of the sample matrix: UPRR-COMPOSITE(440-250736-5). <br /> Elevated reporting limits(RLs)are provided. <br /> Method(s)8270C_3546: Due to the variety and nature of sample matrices(see sample notes for details), laboratory control sample/ <br /> laboratory control sample duplicate (LCS/LCSD)were prepared in association with preparation batch 440-570836, instead of matrix <br /> spike/matrix spike duplicate(MS/MSD). <br /> Method(s)8270C_3546: Due to the matrix,the following sample could not be concentrated to the final method required volume: UPRR <br /> -COMPOSITE(440-250736-5). The reporting limits(RLs)are elevated proportionately. <br /> Eurofins TestAmerica Irvine <br /> Page 4 of 31 10/x/2019 <br />