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Erlsew <br /> 1 Sample Description <br /> See the attached Sample Description Information. <br /> The samples were received under chain-of-custody. <br /> I1 Analysis Res Re uq est <br /> The following analytical tests were requested. <br /> Lab ID Analysis Description <br /> _.. 050084-1 thru 15 Total Petroleum Hydrocarbons <br /> Oil &. Grease <br /> -1,2,4,5,1,9 <br /> 11 thru 15 Benzene, Toluene, Ethyl Benzene, .Xylenes <br /> - -3,6,8,10 Volatile Grganics <br /> Semivolatile Organics ' <br /> Cadmium, Chromium, Lead, Zinc <br /> III Quality Control <br /> A. Project Specific OC. 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 /> samples. <br /> No target parameters were detected in the method blanks associated <br /> with your samples at the reporting limit levels noted on the <br /> attached Method Blank Report. <br /> Repetitions of method blanks (with identical. QC Lot No.s and Run <br /> No.$) have been reported but do not indicate unique <br /> determinations. In the future these will not be reported. <br /> C. Laboratory Control Samples - The LCS Program <br /> Duplicatc Control SamRlles. A DCS is a well-characterized matrix <br /> (blank water, sand or ceHite) which is spiked with certain target <br /> parameters and analyzed at approximately 10% of the sample load in <br /> -_ _— order__to_establ_ish_method-specif_ic_contr_o]_i_imits.__TheDCS___ ___ <br /> t•esults associated with your samples are on the attached Duplicate <br /> Control Sample.Report. <br />