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LABORATORIES, INC. <br /> F200 <br /> rence&Associates Project: Neenah Paper Co. Reported: 02/12/2008 15:28 <br /> 1 Market Street, Rooln 523 Project Number: 005194.02 Task 1 <br /> ding, CA 96001 Project Manager: David Kirk <br /> Water Analysis (General Chemistry) <br /> Quality Control Report - Laboratory Control Sample <br /> Control Limits <br /> CoSpike Percent Percent <br /> Constituent Batch ID QC Sam le ID QCT a Result Level PQL Units RecoveryRPD RecoveryRPD Lab Quals <br /> Chloride BRA1716 BRA1716-BS1 LCS 102.02 100.00 0.50 mg/L 102 90- 110 <br /> Nitrate as NO3 BRA1716 BRA1716-BS1 LCS 22.404 22.134 0.44 mg/L 101 90- 110 <br /> Sulfate BRA1716 BRA1716-BSI LCS 99.141 100.00 1.0 mg/L 99.1 90- 110 <br /> Chloride BRA1717 BRA1717-BS1 LCS 101.92 100.00 0.50 mg/L 102 90-110 <br /> Nitrate as NO3 BRA1717 BRA1717-BSI LCS 22.293 22.134 0.44 mg/L 101 90-110 <br /> Sulfate <br /> B RA1717 BRA1717-BS1 LCS 99.015 100.00 1.0 mg/L 99.0 go- 110 <br /> Chloride BRA1718 BRA1718-BSI LCS _ 101.55 100.00 0.50 mg/L 102 90- 110 <br /> Nitrate as NO3 BRA1718 BRA1718-BS1 LCS 22.320 22.134 0.44 mg/L 101 90-110 <br /> Sulfate BRA1718 BRA1718-BS1 LCS 98.554 100.00 1.0 mg/L 98.6 90- 110 <br /> Sodium BRA1812 BRA1812-BS1 LCS 10.066 10.000 0.50 mg/L 101 85- 115 <br /> Sodium BRA1814 BRA1814-BS1 LCS 9.7674 10.000 0.50 mg/L 97.7 85- 115 <br /> Sodium BRA1815 BRA1815-BS1 LCS 9.6324 10.000 0.50 mg/L 96.3 85- 115 <br /> Sodium BRA1817 BRA1817-BS1 LCS 9.7426 10.000 0.50 mg/L 97.4 85-115 <br /> pH BRA1818 BRA1818-BSI LCS 6.9810 7.0000 0.05 pH Units 99.7 95- 105 <br /> PH BRA1819 BRA1819-BS1 LCS 7.0310 7.0000 0.05 pH Units 100 95- 105 <br /> pH BRA1820 BRA1820-BSI LCS 7.0670 7.0000 0.05 pH Units 101 95- 105 <br /> Electrical Conductivity @ 25 C BRA1821 BRA1821-BS1 LCS 308.00 303.00 1.00 umhos/cm 102 90- 110 <br /> Electrical Conductivity @ 25 C BRA1824 BRA1824-BSI LCS 310.00 303.00 1.00 umhos/cm 102 90- 110 <br /> Electrical Conductivity @ 25 C BRA1828 BRA1828-BS1 LCS 309.00 303.00 1.00 umhos/cm 102 90- 110 <br /> Total Dissolved Solids @ 180 C BRB0050 BR80050-BS1 LCS 595.00 586.00 50 mg/L 102 90-110 <br /> Total Dissolved Solids @ 180 C BRB0051 BR130051-13S1 LCS 585.00 586.00 50 mg/L 99.8 90- 110 <br /> Total Dissolved Solids @ 180 C BRB0057 BRBo057-BS1 LCS 595.00 586.00 50 mg/L 102 90-110 <br /> BC Laboratories The results ht this report apply In the samples unah_ed in accordance tritlr the chain of custody doeurneni 7his analytical report must be reproduced fn its entirene <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, deuchment or third party interpretation. <br /> 4100 Atlas Court• Bakersfield,CA 93308 • (661)327-4911 •FAX(661)327-1918 •www-bclabs_com Page 32 of34 <br />