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GEL LABORATORIES LLC <br /> 2040 Savage Road Charleston, SC 29407-(843)556-8171 -www.gel.com <br /> QC Summary <br /> Workorder: 344616 Page 4 of 4 <br /> Parmname NOM Sample Qual QC Units RPD% REC% Range Anlst Date Time <br /> Q One or more quality control criteria have not been met.Refer to the applicable narrative or DER. <br /> R Sample results are rejected <br /> U Analyte was analyzed for,but not detected above the CRDL. <br /> X Consult Case Narrative,Data Summary package,or Project Manager concerning this qualifier <br /> Y QC Samples were not spiked with this compound <br /> Z Paint Filter Test--Particulates passed through the filter,however no free liquids were observed. <br /> RPD of sample and duplicate evaluated using+/-RL. Concentrations are<5X the RL. Qualifier Not Applicable for Radiochemistry. <br /> d 5-day BOD--The 2:1 depletion requirement was not met for this sample <br /> h Preparation or preservation holding time was exceeded <br /> N/A indicates that spike recovery limits do not apply when sample concentration exceeds spike cone.by a factor of 4 or more. <br /> The Relative Percent Difference(RPD)obtained from the sample duplicate (DUP)is evaluated against the acceptance criteria when the sample is greater than <br /> five times(5X)the contract required detection limit(RL).In cases where either the sample or duplicate value is less than 5X the RL,a control limit of+/-the <br /> RL is used to evaluate the DUP result. <br /> *Indicates that a Quality Control parameter was not within specifications. <br /> For PS,PSD,and SDILT results,the values listed are the measured amounts,not final concentrations. <br /> Where the analytical method has been performed under NELAP certification,the analysis has met all of the <br /> requirements of the NELAC standard unless qualified on the QC Summary. <br /> Page 72 of 94 <br />