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ENVIRONMENTAL <br /> Analytical Chemists <br /> July 15, 2014 Lab ID : STK1436115 <br /> Forward Inc. Customer : 3-8692 <br /> Quality Control-Inorganic <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> Wet Chem <br /> Solids,Total Dissolved 2540 C 06/25/14:207398CTL Blank mg/kg ND <200 <br /> LCS mg/kg 10180 101% N/A <br /> (STKI436115-001) Dulp mg/kg 2.3% N/A <br /> urate 300 06/25/14:207403MCA Blank mg/kg ND <4 <br /> LCS mg/kg 200.0 101% 85-115 <br /> MS mg/kg 400.0 0.0% 19-212 435 <br /> (STK1435753-008) MSD mg/kg 400.0 0.0% 19-212 435 <br /> MSRPD mg/kg 500.0 0.0 <4 <br /> 300.0 06/26/14:209488SBL CCV ppm 20.00 102% 90-110 <br /> CCV I ppm 20.00 99.0% 1 90-110 <br /> itrogen,Total Kjeldahl 351.2 07/10/14:207981jmg Blank mg/kg ND <50 <br /> LCS mg/kg 600.0 95.3% 31-149 <br /> MS mg/kg 500.0 -1750% <% <br /> (CC 1482254-001) MSD mg/kg 483.9 -252% <'/< <br /> MSRPD m 483.9 36.1% <80 <br /> 10D 5210B 06/27/14:207459AMM RgBlk mg/kg -0.08 2 <br /> LCS mg/kg 198.0 97.2% 84.6-115 <br /> (STK1436115-001) Dup mg/kg 8.9% 15.9 <br /> (STK1436115-001) Dup mgfkg 9.3% 15.9 <br /> 5210B 07/02/14:209949amm CCV mg/L 1.000100% <br /> 80-120 <br /> CCV mg/L 1.000 97.0% 80-120 <br /> Nitrogen,Total Kjeldahl EPA351.2 107/14/14:210402AMB CCBmg/L -0.211 0.5 <br /> CCV mg/L 5.000 98.4% 90-110 <br /> CCB mg/L -0.253 0.5 <br /> CCV m L 5.000 107% 90-110 <br /> Definition <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 /> RgBlk :Method Reagent Blank-Prepared to correct for any reagent contributions to sample result. <br /> LCS :Laboratory Control Standard/Sample-Prepared to verify that the preparation process is not affecting analyte recovery. <br /> MS :Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD :Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> Dup :Duplicate Sample-A random sample with each batch is prepared and analyzed in duplicate.The relative percent difference is an <br /> indication of precision for the preparation and analysis. <br /> MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> <'/< :High Sample Background-Spike concentration was less than one forth of the sample concentration. <br /> D20 :Data 2uality Objective-This is the criteria against which the quality control data is coin ared. <br /> Explanation <br /> 435 :Sample matrix may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <br /> . Page 4 of 4 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 <br /> TEL.(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)7349473 <br /> Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)7348435 <br /> CA ELAP Certification No 1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />