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the WET results for any other metal not in the CAM -5 analysis exceed by 10 times the STLC <br />regulatory level, a separate WET analysis for that metal will be performed. Selected bum ash <br />samples will also be tested for semivolatiles (EPA method 8270C). <br />Based on discussions with ExcelChem Analytical Laboratory the following sampling costs are <br />presented: <br />EPA METHOD <br />PARAMETER <br />UNIT COST <br /># SAMPLES COST <br />6010 <br />CAM 5 Metals <br />$50 <br />35 <br />$,1750 <br />6010/7417 <br />CAM 17 Metals <br />$130 <br />10 <br />$1300 <br />22CCR WET <br />STLC >10X <br />$60 <br />10 <br />$600 <br />608/8080 <br />O- est/PCBs <br />$100 <br />10 <br />$1000 <br />602/8020/8015m <br />TPH/BTEX/d <br />$100 <br />10 <br />$1000 <br />8270 <br />Semi -Volatiles <br />$300 <br />10 <br />$3000 <br />8280 <br />Dioxins <br />$1100 <br />3 <br />$3300 <br />8270 <br />PAH <br />$300 <br />3 <br />$900 <br />Total <br />$12850 <br />One field duplicate sample will be collected simultaneously with a standard sample from the <br />same source under identical conditions into a separate sample container. The duplicated <br />sample is treated independently of its counterpart in order to assess laboratory performance <br />through comparison of the results. <br />The duplicate samples will be collected at a random location that demonstrates elevated levels <br />of metals based on field screening results. Sufficient soil will be collected from the sample <br />location to prepare a primary and duplicate sample from a single batch of soil. The soil sample <br />will be homogenized with a trowel in a sample -dedicated one -gallon disposable pail or a <br />decontaminated stainless steel mixing bowl, and then transferred to each sample container for <br />both regular and duplicate sample analyses. <br />The analytical laboratory will perform Quality Control (QC). The QC will include project specific <br />QC, method blank results, laboratory control spike, and matrix spike results. <br />1. Proiect Specific QC — No project specific QC has been requested by the CIWMB <br />2. Method Blank Results — A method blank is a laboratory -generated sample that assesses the <br />degree to which laboratory operations and procedures cause false -positive analytical results <br />for the CIWMB samples. The method blank results associated with the samples will be <br />CIWMB 18 <br />