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Laboratories Inc. _ <br /> Environmental Testing Laboratory Since 1949 <br /> Lawrence&Associates Reported: 07/22/2013 10:47 <br /> 3590 Iron Court Project: Diamond Pet Foods <br /> Shasta Lake City,CA 96019 Project Number: Diamond Pet Food <br /> Project Manager: David Kirk <br /> Water Analysis (General Chemistry) <br /> Quality Control Report - Precision & Accuracy <br /> Control Limits <br /> Source Source Spike Percent Percent Lab <br /> Constituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Quals <br /> QC Batch ID: BWG0673 Used client sample: Y-Description: OB-17, 07/09/2013 10:47 <br /> Nitrate as N DUP 1314316-08 ND ND mg/L 10 <br /> MS 1314316-08 ND 4.9939 5.0505 mg/L 98.9 80-120 <br /> MSD 1314316-08 ND 5.0192 5.0505 mg/L 0.5 99.4 10 80-120 <br /> QC Batch ID: BWG0674 Used client sample: Y- Description: OB-22, 07/09/2013 10:36 <br /> Nitrate as N DUP 1314316-11 ND ND mg/L 10 <br /> MS 1314316-11 ND 5.0576 5.0505 mg/L 100 80-120 <br /> MSD 1314316-11 ND 5.0545 5.0505 mg/L 0.1 100 10 80-120 <br /> QC Batch ID: BWG0695 Used client sample: N <br /> pH DUP 1314296-05 8.0000 8.0300 pH Units 0.4 20 <br /> Electrical Conductivity @ 25 C DUP 1314296-05 1249.0 1237.0 umhos/cm 1.0 10 <br /> QC Batch ID: BWG0696 Used client sample: Y-Description: OB-11, 07/09/2013 10:06 <br /> pH DUP 1314316-07 6.8100 6.8200 pH Units 0.1 20 <br /> Electrical Conductivity @ 25 C DUP 1314316-07 1393.0 1368.0 umhos/cm 1.8 10 <br /> QC Batch ID: BWG0786 Used client sample: Y-Description: OB-1, 07/09/2013 13:11 <br /> Total Dissolved Solids @ 180 C DUP 1314316-01 960.00 980.00 mg/L 2.1 10 <br /> QC Batch ID: BWG0787 Used client sample: Y-Description: OB-21, 07/09/2013 11:00 <br /> Total Dissolved Solids @ 180 C DUP 1314316-10 810.00 820.00 mg/L 1.2 10 <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document.This analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting party. BC Laboratories,Inc.assumes no responsibility for report alteration,separation,detachment or third party interpretation. <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 29 of 30 <br />