ARCHIVED REPORTS_SECOND HALF AND ANNUAL 2010 GW MONITORING RPT

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Laboratories Inc. U� 1i Environmental Testing Laboratory Since 1949 Lawrence&Associates Reported: 11/22/2010 13:23 3590 Iron Court Project: Neenah Paper Co. Shasta Lake City, CA 96019 Project Number: 005194-04,Task 7 Project Manager: David Kirk Water Analysis (General Chemistry) Quality Control Report - Precision & Accuracy Control Limits Source Source Spike Percent Percent Lab Constituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Quals QC Batch ID: BTJO883 Used client sample: N Nitrate as N DUP 1014313.01 0.046000 0..050000 mg/L 8.3 10 J MS 1014313-01 0.046000 4.9677 5,0505 at 97.4 80-120 MSD 1014313-01 0.046000 4.9778 5.0505 mg/L 0.2 97.6 10 80-120 Sulfate DUP 1014313-01 171.70 172..72 mg/L 0.6 10 MS 1014313-01 171.70 269.68 101.01 mg/L 97.0 80-120 MSD 1014313-01 171.70 275.25 101,01 mg/L 2.0 103 10 80-120 QC Batch ID: BTJ0884 Used client sample: N m T Chloride DUP 1014343-01 170.18 168,78 mg/L 0.8 10 MS 1014343-01 170.18 270.44 101.01 mg/L 99.3 80-120 MSD 1014343-01 170.18 265.81 101.01 mg/L 1.7 94.7 10 80-120 Nitrate as N DUP 1014343-01 0.93300 0.97900 mg/L 4.8 10 MS 1014343-01 0.93300 6.0828 5.0505 mg/L 102 80-120 MSD 1014343-01 0.93300 5.9768 5.0505 mg/L 1.8 99.9 10 80-120 Sulfate DUP 1014343-01 14.011 14.334 mg/L 2.3 10 MS 1014343-01 14.011 119.34 101.01 mg/L 104 80- 120 MSD 1014343-01 14.011 115.89 101.01 mg/L 2.9 101 10 80-120 QC Batch ID: BTJO889 Used client sample: Y- Description: OB-16, 10/12/2010 13:20 Chloride DUP 1014319-16 1.6850 1.6890 mg/L 0.2 10 MS 1014319-16 1.6850 106.05 101.01 mg/L 103 80-120 MSD 1014319-16 1.6850 106.21 101.01 mg/L 0.1 103 10 80-120 Nitrate as N DUP 1014319-16 ND ND mg/L 10 MS 1014319-16 ND 5.0980 5.0505 mg/L 101 80-120 MSD 1014319-16 ND 5.1980 5.0505 mg/L 1.9 103 10 80-120 Sulfate DUP 1014319-16 1.0090 1.0250 mglL 1.6 10 MS 1014319-16 1.0090 104.57 101.01 mg/L 103 80-120 MSD 1014319-16 1.0090 105.26 101.01 mg/L 0.7 103 10 80-120 QC Batch ID: BTJ0890 Used client sample: Y- Description: OB-26, 10/12/2010 06:45 Chloride DUP 1014319-26 27.161 27.122 mg/L 0.1 10 MS 1014319-26 27.161 139.76 101.01 mg/L 111 80-120 MSD 1014319-26 27.161 140.82 101.01 mg/L 0.8 113 10 80-120 Nitrate as N DUP 1014319-26 17.587 17.697 mg/L 0.6 10 MS 1014319-26 17.587 22.728 5.0505 mg/L 102 80-120 MSD 1014319-26 17.587 22.676 5.0505 mg/L 0.2 101 10 80-120 '.. Sulfate DUP 1014319-26 90.249 89.243 mg/L 1.1 10 '.. MS 1014319-26 90.249 199.73 101.01 mg/L 108 80-120 MSD 1014319-26 90.249 198.92 101.01 mg/L 0.4 108 10 80-120 QC Batch ID: BTJO970 Used client sample: N The results in this report apply to tire samples ataly_ed in accordance with the chain of custody docmnent. This analytical report rrrast be reproduced in its enareo� All results listed in this repon arc for the exclusive use of the submitting pony BC Laboratories,Inc.assumes no responsibility for report nheration separation,demelunad at third pony interpretation 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 55 of 58