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LABORATORIES, INC. <br /> Lawrence&Associates Project: Fox River Paper <br /> 2001 Market Street,Room 523 Project Number: Fox River Paper <br /> Redding CA,96001 Project Manager: David Kirk Reported: 11/01/06 13:50 <br /> Water Analysis (General Chemistry) <br /> Quality Control Report - Precision & Accuracy <br /> Control Limits <br /> Source Source Spike Percent Percent <br /> Constituent Batch ID QCSampleType Sam le ID Result Result Added Units RPD Recovery RPD Recovery Lab Quals <br /> Chloride BPJ1108 Duplicate 0611004-02 89.858 89.842 mg/L 0.0178 10 <br /> Matrix Spike 0611004-02 89.858 199.94 101.01 mg/L 109 80-120 <br /> Matrix Spike Duplicate 0611004-02 89.858 199.89 101.01 mg1L 0.0422 109 10 80-120 <br /> Nitrate as NO3 BPJ1108 Duplicate 0611004-02 18.734 19.022 mg/L 1.52 10 <br /> Matrix Spike 0611004-02 18.734 40.861 22.358 mg/L 99.0 80-120 <br /> Matrix Spike Duplicate 0611004-02 18.734 41.773 22.358 mg/L 4.04 103 10 80-120 <br /> Sulfate BPJ1108 Duplicate 0611004-02 106.65 107.18 mg/L 0.491 10 <br /> Matrix Spike 0611004-02 106.65 217.50 101.01 mgtL 110 80-120 <br /> Matrix Spike Duplicate 0611004-02 106.65 217.29 101.01 mgtL 0.192 110 10 80-120 <br /> PH BPJ1282 Duplicate 0611007-01 7.8870 7.8940 pH Units 0.0887 20 <br /> Electrical Conductivity @ 25 C BPJ1286 Duplicate 0610994-03 923.00 918.00 umhos/cm 0.543 10 <br /> Calcium BPJ1370 Duplicate 0611007-01 90.442 88.793 mg/L 1.84 20 <br /> Matrix Spike 0611007-01 90.442 101.86 10.204 mg/L 112 85-115 <br /> Matrix Spike Duplicate 0611007-01 90.442 99.436 10.204 mg/L 23.7 88.1 20 85-115 A03,Q02 <br /> Magnesium BPJ1370 Duplicate 0611007-01 25.989 26.008 mg/L 0.0732 20 <br /> Matrix Spike 0611007-01 25.989 36.605 10.204 mg/L 104 85-115 <br /> Matrix Spike Duplicate 0611007-01 25.989 36.698 10.204 mg/L 0.871 105 20 85-115 <br /> Sodium BPJ1370 Duplicate 0611007-01 162.64 160.83 mg/L 1.12 20 <br /> Matrix Spike 0611007-01 162.64 175.26 10.204 mg/L 124 85-115 A03 <br /> Matra Spike Duplicate 0611007-01 162.64 171.47 10.204 mg/L 35.3 86.6 20 85-115 A03,002 <br /> Potassium BPJ1370 Duplicate 0611007-01 7.7814 7.7928 mg/L 0.147 20 <br /> Matrix Spike 0611007-01 7.7814 18.176 10.204 mg/L 102 85-115 <br /> Matrix Spike Duplicate 0611007-01 7.7814 18.219 10.204 mg/L 0.416 102 20 85-115 <br /> Bicarbonate BPJ1448 Duplicate 0611000-01 885.76 867.20 mg/L 2.12 10 <br /> Matrix Spike 0611000-01 885.76 1483.9 609.50 mg/L 98.1 80-120 <br /> Matrix Spike Duplicate 0611000-01 885.76 1479.3 609.50 mg/L 0.779 97.4 10 80-120 <br /> Carbonate BPJ1448 Duplicate 0611000-01 ND ND mg/L 10 <br /> Total Dissolved Solids @ 180 C BPJ1763 Duplicate 0611007-01 835.00 830.00 mg/L 0.601 10 <br /> BC Laboraat s The results in this report apply to the sample alynames <br /> in accordance tuith the chain of custody document. This analytical report must be re need in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting perry.Eu Laborer c. a mes no responsibility for report attention,separation„detachment or third parry interpretation. <br /> 4100 Atlas Court•Bakersfield,CA 93308•(661)327-4911 •FAX(661)327-1918 •www.belabs.com Page 4 of 8 <br />