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Laboratories Inc. , <br /> Environmental Testing Laboratory Since 1949 <br /> Lawrence&Associates Project: Neenah Paper Co. Reported: 04/20/2010 8:29 <br /> 3590 Iron Court Project Number: 005194-04 T3 <br /> Shasta Lake City,CA 96019 Project Manager: David Kirk <br /> Water Analysis (General Chemistry) <br /> Quality Control Report - Laboratory Control Sample <br /> Control Limits <br /> Spike Percent Percent <br /> Constituent Batch ID QC Sample ID QC Type Result Level PQL Units Recovery RPD Recovery RPD Lab Quals <br /> pH BTD0386 BTD0386-BS2 LCS 7.0300 7.0000 0.05 pH Units 100 95-105 <br /> Electrical Conductivity @ 25 C BTD0386 BTD0386-BS1 LCS 315.90 303.00 1.00 umhos/cm 104 90-110 <br /> pH BTD0387 BTD0387-BS2 LCS 7.0200 7.0000 0.05 pH Units 100 95-105 <br /> Electrical Conductivity @ 25 C BTD0387 BTD0387-BS1 LCS 320.20 303.00 1.00 umhos/cm 106 90-110 <br /> pH BTD0388 BTD0388-BS2 LCS 7.0300 7.0000 0.05 pH Units 100 95-105 <br /> Electrical Conductivity @ 25 C BTD0388 BTD0388-BS1 LCS 313.50 303.00 1.00 umhos/cm 103 90-110 <br /> pH BTD0389 BTD0389-BS2 LCS 7.0300 7.0000 0.05 pH Units 100 95-105 <br /> Electrical Conductivity @ 25 C BTD0389 BTD0389-BS1 LCS 306.70 303.00 1.00 umhos/cm 101 90-110 <br /> Sodium BTD0410 BTD0410-BS1 LCS 10.107 10.000 0.50 mg/L 101 85-115 <br /> Sodium BTD0414 BTD0414-BS1 LCS 10.564 10.000 0.50 mg/L 106 85-115 <br /> Sodium BTD0415 BTD0415-BS1 LCS 10.546 10.000 0.50 mg/L 105 85-115 <br /> Chloride BTD0471 BTD0471-BS1 LCS 102.00 100.00 0.50 mg/L 102 90-110 <br /> Nitrate as N BTD0471 BTD0471-BS1 LCS 4.8900 5.0000 0.10 mg/L 97.8 90-110 <br /> Sulfate BTD0471 BTD0471-BS1 LCS 98.474 100.00 1.0 mg/L 98.5 90-110 <br /> Chloride BTD0472 BTD0472-BS1 LCS 103.94 100.00 0.50 mg/L 104 90-110 <br /> Nitrate as N BTD0472 BTD0472-BS1 LCS 4.9440 5.0000 0.10 mg/L 98.9 90-110 <br /> Sulfate BTD0472 BTD0472-BS1 LCS 98.664 100.00 1.0 mg/L 98.7 90-110 <br /> Chloride BTD0473 BTD0473-BS1 LCS 103.27 100.00 0.50 mg/L 103 90-110 <br /> Nitrate as N BTD0473 BTD0473-BS1 LCS 4.9670 5.0000 0.10 mg/L 99.3 90-110 <br /> Sulfate BTD0473 BTD0473-BS1 LCS 98.908 100.00 1.0 mg/L 98.9 90-110 <br /> Total Dissolved Solids @ 180 C BTD0561 BTD0561-BS1 LCS 545.00 586.00 50 mg/L 93.0 90-110 <br /> Total Dissolved Solids @ 180 C BTD0562 BTD0562-BS1 LCS 535.00 586.00 50 mg/L 91.3 90-110 <br /> Total Dissolved Solids @ 180 C BTD0603 BTD0603-BS1 LCS 580.00 586.00 50 mg/L 99.0 90-110 <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 42 of 44 <br /> Certifications: California-ELAP Certification Number 1186; Nevada Administrative Code-NAC-445A <br />