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i <br /> Y.a <br /> MEN <br /> MEE _ <br /> r. <br /> d <br /> w�•• __ JJri�lc <br /> I Sample Description <br /> See attached Sample Description Information. <br /> The samples were received under chain-of-custody. <br /> II Analysis Request <br /> The following analytical tests were requested. <br /> Lab ID Analysis Description _ <br /> 040443-1, 2 Aromatic Ido ati a Organics <br /> -3, 4 Total Petroleum Hydrocarbons <br /> -4 EDS, Organic Lead <br /> III Quality Control <br /> A. Project Specific QC. No project specific QC (i.e., spikes and/or <br /> duplicates) was requested. <br /> B. Method Blank Results. A method blank is a laboratory-generated <br /> sample which assesses the degree to which laboratory operations <br /> and procedures cause false-positive analytical results for your <br /> r samples. <br /> No target parameters were detected in the method blanks. associated <br /> 1 with your samples at the reporting limit levels noted on the data j <br /> y. sheets in the Analytical Results section. <br /> k` C. Laboratory Control Samples. An LCS is a well-characterized matrix <br /> (blank water, sand or ce ite) which is spiked with certain target <br /> parameters and analyzed at approximately 10% of the sample load in <br /> order to establish method-specific control limits. The LCS <br /> results associated with your.samples follow: <br /> Test: 602 LCS <br /> a; LCS ID: 602MS80225A <br /> E Concentration Units: ug/L <br /> Concentration AcruracyPrecision <br /> x - - - <br /> Measure Recovery_ _ RPD <br /> V, Parameter Spike LCS1 LCS2 LCS1 LCS2 Av, Limits LCS Limit <br /> end zene 2.5 F. 2.40 93 96 94 82-112 3.2 11 <br /> Toluene 2.5 2.35 2.46 94 98 96 81-114 4.2 13 <br /> Test: PH-GC Water LCS <br /> ,.; <br /> LCS ID PHGCAS80307A <br /> _ Concentration Units: u9/L <br /> Concentration Accuracy Precision <br /> Measure t Recovery RPD <br /> Frameter Spike LCS1 . LCS2 LCS1 LCS2 Av. Limits LCS . Limit <br /> - <br /> , gasp ne 555o ,4950 F46698 108 103 50-132 9.7 51 <br />