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i a <br /> LABORATORIES, INC. <br /> Lawrence&Associates Project: Fox River Paper <br /> 2001 Market Street,Room 523 Project Number: Fox River Paper 005194.00 Task 7 <br /> Redding CA,96001 Project Manager: David Kirk Reported: 11/01/06 14:33 <br /> Water Analysis (General Chemistry) <br /> Quality Control Report - Precision & Accuracy <br /> Control Limits <br /> Source Source Spike Percent Percent <br /> Constituent Batch ID QC Sam le Type Sam le ID Result Result Added Units RPD RecoveryRPD Recove Lab Quals <br /> Potassium BPJ1057 Duplicate 0610861-01 7.7360 7.7321 mg/L 0.0516 20 <br /> Matrix Spike 0610861-01 7.7360 17.575 10.204 mg/L 96.4 85-115 <br /> Matrix Spike Duplicate 0610861-01 7.7360 18.078 10.204 mg/L 4.98 101 20 85-115 <br /> Calcium <br /> BPJ1059 Duplicate 0610861-11 162.35 160.45 m9/1- 1.18 20 <br /> Matrix Spike 0610861-11 162.35 169.00 10.204 mg/L 65.2 85-115 <br /> Matrix Spike Duplicate 0610861-11 162.35 173.50 10.204 mg/L 50.5 109 20 85-1115 A03,Q02 <br /> MaBPJ1059 Duplicate 0610861-11 63.201 63.029 mg/L 0.272 20 <br /> gnesium <br /> Matrix Spike 0610861-11 63.201 73.388 10.204 mg/L 99.8 85-115 <br /> Matrix Spike Duplicate 0610861-11 63.201 73.526 10.204 mg/L 1.35 101 _20 85-115 <br /> Sodium BPJ1059 Duplicate 0610861-11 165.86 163.48 mg/L 1.44 20 <br /> Matrix Spike 0610861-11 165.86 173.48 10.204 mg/L 74.7 85-115 A03 <br /> Matrix Spike Duplicate 0610861-11 165.86 176.68 10.204 mg/L 34.7 106 20 85-115 A03,QO2 <br /> BPJ1059 Duplicate 0610861-11 3.3978 3.3950 mg/L 0.0823 20 <br /> Potassium 99,5 85-115 <br /> Matrix Spike 0610861-11 3.3978 13.555 10.204 mg/L <br /> Matrix Spike Duplicate 0610861-11 3.3978 13.675 10.204 mg/L 1.17 101 20 85-115 <br /> 10 <br /> Bicarbonate BPJ1217 Duplicate 0610861-06 347.80 366.36 mg/L 5.20 103 80-120 <br /> Matrix Spike 0610861-06 347.80 660.80 304.75 mg/L <br /> Matrix Spike Duplicate 0610861-06 347.80 656.16 304.75 mg/L 1.49 101 10 80-120 <br /> _ <br /> Carbonate BPJ1217 Duplicate 0610861-06 ND ND mg/L _ 10_ <br /> _ <br /> Bicarbonate BPJ1220 Duplicate 0610861-14 417.36 403.44 mg/L 3.39 10 80-120 <br /> Matrix Spike 0610861-14 417.36 714.16 304.75 mg/L 97.4 <br /> Matrix Spike Duplicate 0610861-14 417.36 709.52 304.75 mglL 1.58 95.9 10 80-120 <br /> BPJ1220 Duplicate 0610861-14 ND ND mg/L 10 <br /> Carbonate - 1O <br /> Bicarbonate BPJ1222 Duplicate 0610861-21 361.72 361.72 mglL 0.00 g0-120 <br /> Matrix Spike 0610861-21 361.72 649.24 304.75 mg/L 94.3 <br /> Matrix Spike Duplicate 0610861-21 361.72 658.48 304.75 mg/L 3.16 97.4 10 80-120 <br /> BPJ1222 Duplicate 0610861-21 ND ND mg/L 10 <br /> Carbonate 10 <br /> Total Dissolved Solids @ 180 C BPJ1655 Duplicate 0610861-01 1105.0 1095.0 mg/L 0.909 <br /> BC Laboratories The results in this report apply to rhe 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,sepwatioq,detachment or third party interpretation. Page 31 of37 <br /> 4100 Atlas Court•Bakersfield,CA 93308•(661)327-4911 •FAX(661)327-1918•www.bclabs.com <br />