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09-04-'14 08:54 FROM -SKS ENTERPRISES INC, 209-7593154 <br />August 19, 2014 <br />SKS Enterprises <br />Lab ID <br />Customer <br />Quality Control - Inorganic <br />T-988 P007/016 F-171 <br />: STK1436475 <br />:3-13071 <br />Constituent <br />Method <br />Date/ID <br />Type <br />units <br />Cone. <br />QC Data <br />DQO <br />Note <br />Metals <br />Copper <br />3050 <br />07/09/14:207922ac <br />UCS <br />mg/kg <br />40.00 <br />109% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />133% <br /><'/a <br />(SP 1407409-001) <br />MSD <br />mg/kg <br />40.00 <br />125% <br />75-125 <br />MSRPD <br />mg/kg <br />40.02 <br />1.2% <br /><20 <br />PDS <br />m <br />40.00 <br />96.2% <br />75-125 <br />Lead <br />3050 <br />07109/14:207922ac <br />Blank <br />mg/kg <br />ND <br /><0.5 <br />LCs <br />mg/kg <br />40.00 <br />102 k7o <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />0,6% <br />75-125 <br />(SP 1407409-001) <br />MSD <br />mg/kg <br />40.00 <br />99.3% <br />75-125 <br />MSRPD <br />mgfkg <br />40.02 <br />0.117- <br />520 <br />PPS <br />m^ <br />40.00 <br />96.2% <br />75-125 <br />Nickel <br />3050 <br />07/09/14:207922ae <br />Blank <br />mg/kg <br />ND <br /><0.5 <br />LCS <br />mg/kg <br />40.00 <br />106% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />22.7% <br />75.125 <br />435 <br />(SP 1407409-001) <br />MSD <br />mg/kg <br />40.00 <br />20.9% <br />75-125 <br />435 <br />MSRPD <br />mg/kg <br />40.02 <br />1.0% <br />X20 <br />PDS <br />n1gft <br />40.00 <br />19.7% <br />75-125 <br />1 430 <br />Selenium <br />3050 <br />07/09/14:207922ac <br />Blank <br />mg/kg <br />ND <br /><0.5 <br />WS <br />mg/kg <br />40.00 <br />103% <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />95.8% <br />75-125 <br />(SP 1407409-001) <br />MSD <br />mg/kg <br />40.00 <br />92.9% <br />75-125 <br />MSRPD <br />mg/kg <br />40.02 <br />2.94 <br /><20 <br />PDS <br />nn^ <br />40.00 <br />95.9% <br />1 75-125 <br />Zinc <br />3050 <br />07/09/14:207922ac <br />Blank <br />mg/kg <br />ND <br /><1 <br />LCs <br />mg/kg <br />40.00 <br />101 To <br />85-115 <br />MS <br />mg/kg <br />40.00 <br />405% <br /><V4 <br />(SP 1407409-001) <br />MSD <br />mg/kg <br />40.00 <br />2020% <br /><'A <br />MSRPD <br />mg//kg <br />40.02 <br />2.9% <br /><-20 <br />PDS <br />m <br />40.00 <br />5020% <br />75-125 <br />430 <br />Mercury <br />7471 <br />07/09/14:207923ac <br />Blank <br />mg/kg <br />ND <br /><0.03 <br />LCS <br />mg/kg <br />0.2500 <br />94.8% <br />85-115 <br />MS <br />mg/kg <br />0.2500 <br />148% <br />75-125 <br />435 <br />(SP 1407409001) <br />MSD <br />ttrg/kg <br />0.2500 <br />152% <br />75-125 <br />435 <br />MSRPD <br />ingft <br />1 0.2500 <br />1 2.4% <br />c20 <br />Definition <br />: PDS failed. matrix - Post Digestion Spike (PDS) not within Acceptance Range (AR) because of matrix interferences affecting this <br />PDS <br />analyte. <br />CCV : Continuing Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <br />CCB ; Continuing Calibration Blank - Analyzed to verify the instrument baseline is within criteria. <br />Blank : Method Blank - Prepared to verify that the preparation process is not contributing contamination to the samples. <br />LCS : Laboratory Control Standard/Sample - Prepared to verify that the preparation process is not affecting analyce recovery. <br />: Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication of how that sample <br />MS <br />matrix affects analyte recovery. <br />: Matrix Spike Duplicate of MS/MSD pair - A random sample duplicate is spiked with a known amount of analyzed. The recoveries <br />MSD <br />are an indication of how that sample matrix affects analyre recovery. <br />: MS/MSD Relative Percent Difference (RPA) - The MS relative percent difference is an indication of precision for the preparation <br />MSRPD <br />and analysis. <br />ND : Non -detect - Result was below the DQO listed for the analyte. <br /><r/a : High Sample Background - Spike concentration was less than one forth of the sample concentration. <br />DQO : Data Oualfty Objective - This is the criteria against which the quality control data is compared. <br />Explanation <br />430 : Post Digestion Spike (PDS) not within Acceptance Range (Alt) because of matrix interferences affecting this analyte. <br />435 : Sample matrix may be affecting this analyte. Data was a. a red based on the LCS or CCV recovery. <br />Page 6 of 6 <br />Received Tlme Sep, 4, 2014 9:01AM No, 1096 <br />