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Laboratories Inc. � �_ <br /> Environmental Testing Laboratory Since 1949 <br /> Lawrence&Associates Reported: 04/16/2018 14:31 <br /> 3590 Iron Court Project: Diamond Pet Foods-COELT <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: B008356 Used client sample: Y- Description: 013-1, 04/03/2018 08:11 <br /> pH DUP 1810526-01 7.6800 7.7000 pH Units 0.3 20 <br /> Electrical Conductivity @ 25 C DUP 1810526-01 1712.4 1714.3 umhos/cm 0.1 10 <br /> QC Batch ID: B008357 Used client sample: Y- Description: OB-22, 04/03/2018 11:47 <br /> pH DUP 1810526-11 7.6000 7.6500 pH Units 0.7 20 <br /> Electrical Conductivity @ 25 C DUP 1810526-11 115.30 114.80 umhos/cm 0.4 10 <br /> QC Batch ID: 8009653 Used client sample: Y- Description: OB-1, 04/03/2018 08:11 <br /> Nitrate as N DUP 1810526-01 11.308 11.080 mg/L 2.0 10 <br /> MS 1810526-01 11.308 16.133 5.0505 mg/L 95.5 80-120 <br /> MSD 1810526-01 11.308 16.139 5.0505 mg/L 0.0 95.7 10 80-120 <br /> QC Batch ID: B009654 Used client sample: Y- Description: 013-22, 04/03/2018 11:47 <br /> Nitrate as N DUP 1810526-11 ND 0.026000 mg/L 10 J <br /> MS 1810526-11 ND 5.1242 5.0505 mg/L 101 80-120 <br /> MSD 1810526-11 ND 5.1414 5.0505 mg/L 0.3 102 10 80-120 <br /> QC Batch ID: B009956 Used client sample: Y- Description: OB-1, 04/03/2018 08:11 <br /> Total Dissolved Solids @ 180 C DUP 1810526-01 945.00 950.00 mg/L 0.5 10 <br /> QC Batch ID: B009957 Used client sample: Y- Description: 013-24, 04/03/2018 08:41 <br /> Total Dissolved Solids @ 180 C DUP 1810526-12 1405.0 1390.0 mg/L 1.1 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 /> Report ID: 1000732202 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 29 of 30 <br />