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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />Lot r: DOFi l 10226 <br />Case ~au•rati~•e <br />Enclosed is the report for three samples receiccd at STL's Dem'er laboratory on August 11, 2006. The <br />results included in this report have bern reviewed for cnmphancc with STL'=_ Qcallt•: Assu:anee;Quality <br />Control (Q~'~`QC) plan. <br />Dilution factors and fooctotes have been provided to assist in the interpretation o£ the resulu. Each <br />sample was analyzed to achieve the lowest possible reporting limit wnhtn the constraints of the method. <br />In some casts, due to interferences or analyzes present at concentrations above the linear calibration <br />curve, samples were diluted. For diluted samples, the reporting hmtis arc adjusted relative to the dilution <br />required. <br />5TL utilizes USEPA approved methods in all analytical work. The snmples prcsrnted in this report were <br />analyzed for the parameters fisted on the analytual methods summary page m accordance with the <br />methods indicated. A summary of quality control parameters is provided below. <br />T'nis report shall not be reproduced except in full, without the writtrn approval of the laboratory. <br />Quality Control Summary' for Lot U01I 11022(1 <br />Sample Receiving <br />i Thc cooler temperature or. receipt at the Denver laboratory was 1.3 °C. All sample bottles were <br />received in acceptable condition. <br />Holdlag Times <br />r .All holding times wrote met. <br />Reporting Limits <br />> The reporting limns for sulfate ~1c:hod ?00.0 for ai) samples a:c elevated due to high nnalyte lcvcla <br />Thc reporting limits are ad)us[ed relative to t'ne dilution squired. <br />Method Blank <br />r All `ledwd Blanks were within established control limiu. <br />Laboratory Control Samples (LCS) <br />All l.ahora:on Control Samples wttc wnhtr, established control limits. <br />