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Laboratories Inc. _ <br /> Environmental Testing Laboratory Since 1949 <br /> Lawrence&Associates Reported: 04/22/2014 16:53 <br /> 3590 Iron Court Project: Diamond Pet Foods <br /> Shasta Lake City,CA 96019 Project Number: Diamond Pet/Cogen <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: BXD0763 Used client sample: Y-Description: OB-1, 04/08/2014 10:23 <br /> pH DUP 1407872-01 7.5800 7.5900 pH Units 0.1 20 <br /> Electrical Conductivity @ 25 C DUP 1407872-01 1079.7 1072.3 umhos/cm 0.7 10 <br /> QC Batch ID: BXD0764 Used client sample: Y-Description: OB-19, 04/08/2014 13:07 <br /> pH DUP 1407872-09 7.5500 7.6000 pH Units 0.7 20 <br /> Electrical Conductivity @ 25 C DUP 1407872-09 966.60 973.10 umhos/cm 0.7 10 <br /> QC Batch ID: BXD0817 Used client sample: N <br /> Total Dissolved Solids @ 180 C DUP 1407806-01 995.00 990.00 mg/L 0.5 10 <br /> QC Batch ID: BXD0818 Used client sample: Y-Description: OB-21, 04/08/2014 11:26 <br /> Total Dissolved Solids @ 180 C DUP 1407872-10 765.00 765.00 mg/L 0 10 <br /> QC Batch ID: BXD0836 Used client sample: Y-Description: 013-1, 04/08/2014 10:23 <br /> Nitrate as N DUP 407872-01 RE' 5.3620 5.2200 mg/L 2.7 10 <br /> MS 407872-01 RE' 5.3620 16.135 10.101 mg/L 107 80-120 <br /> MSD 407872-01 RE' 5.3620 16.248 10.101 mg/L 0.7 108 10 80-120 <br /> QC Batch ID: BXD0842 Used client sample: Y- Description: OB-22, 04/08/2014 14:01 <br /> Nitrate as N DUP 1407872-11 ND ND mg/L 10 <br /> MS 1407872-11 ND 4.9071 5.0505 mg/L 97.2 80-120 <br /> MSD 1407872-11 ND 5.0798 5.0505 mg/L 3.5 101 10 80-120 <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 /> Report ID: 1000229857 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 29 of 30 <br />