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Wi�Laboratories, Inc. <br />Environmental Testing Laboratory Since 1949 <br />'haw Reported: 02/04/2013 14:55 <br />180 Promenade Circle, Suite 320 Project: North County LF, SJ County <br />Sacramento, CA 95834 Project Number. 139874 <br />Project Manager. Sheila Richgeis <br />Water Analysis(General Chemistry) <br />Quality Control Repo - Precision & Accuracy <br />Control Limits <br />Source Source Spike Percent Percent Lab <br />Constituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Qualls <br />QC Batch ID: BWA1600 <br />Used client sample: <br />Y - Description: G-1, 01/23/2013 07:50 <br />Dissolved Calcium <br />DUP 1301612-01 <br />15.488 <br />15.694 <br />mg/L <br />1.3 <br />20 <br />MS 1301612-01 <br />15.488 <br />25.771 <br />10.204 mg/L <br />101 <br />75-125 <br />MSD 1301612-01 <br />15.488 <br />25.140 <br />10.204 mg/L <br />2.5 <br />94.6 <br />20 <br />75-125 <br />Dissolved Magnesium <br />DUP 1301612-01 <br />7.9029 <br />7.7574 <br />mg/L <br />1.9 <br />20 <br />MS 1301612-01 <br />7.9029 <br />18.187 <br />10.204 mg/L <br />101 <br />75-125 <br />MSD 1301612-01 <br />7.9029 <br />17.597 <br />10.204 mg/L <br />3.3 <br />95.0 <br />20 <br />75-125 <br />Dissolved Sodium <br />DUP 1301612-01 <br />38.821 <br />39.227 <br />mg/L <br />1.0 <br />20 <br />MS 1301612-01 <br />38.821 <br />49.119 <br />10.204 mg/L <br />101 <br />75-125 <br />MSD 1301612-01 <br />38.821 <br />47.708 <br />10.204 mg/L <br />2.9 <br />87.1 <br />20 <br />75-125 <br />Dissolved Potassium <br />DUP 1301612-01 <br />16.383 <br />16.539 <br />mg/L <br />0.9 <br />20 <br />MS 1301612-01 <br />16.383 <br />26.333 <br />10.204 mg/L <br />97.5 <br />75-125 <br />MSD 1301612-01 <br />16.383 <br />25.530 <br />10.204 mg/L <br />3.1 <br />89.6 <br />20 <br />75-125 <br />JIIQC ID: BWA1611 <br />Used client sample: <br />Y - Description: G-1, 01/23/2013 07:50 <br />loride <br />DUP 1301612-01 <br />8.2110 <br />8.1280 <br />mg/L <br />1.0 <br />10 <br />MS 1301612-01 <br />8.2110 <br />60.067 <br />50.505 mg/L <br />103 <br />80-120 <br />MSD 1301612-01 <br />8.2110 <br />59.997 <br />50.505 mg/L <br />0.1 <br />103 <br />10 <br />80-120 <br />Nitrate as N <br />DUP 1301612-01 <br />1.5090 <br />1.4560 <br />mg/L <br />3.6 <br />10 <br />MS 1301612-01 <br />1.5090 <br />6.4939 <br />5.0505 mg/L <br />98.7 <br />80-120 <br />MSD 1301612-01 <br />1.5090 <br />6.6545 <br />5.0505 mg/L <br />2.4 <br />102 <br />10 <br />80-120 <br />Sulfate <br />DUP 1301612-01 <br />3.7640 <br />3.8040 <br />mg/L <br />1.1 <br />10 <br />MS 1301612-01 <br />3.7640 <br />106.37 <br />101.01 mg/L <br />102 <br />80-120 <br />MSD 1301612-01 <br />3.7640 <br />106.32 <br />101.01 mg/L <br />0.1 <br />102 <br />10 <br />80-120 <br />QC Batch ID: BWA1661 <br />Used client sample: <br />N <br />Total Dissolved Solids @ 180 C <br />DUP 1301618-01 <br />850.00 <br />850.00 <br />mg/L <br />0 <br />10 <br />QC Batch ID: BWA1683 <br />Used client sample: <br />N <br />Bicarbonate <br />DUP 1301609-07 <br />1066.6 <br />1074.7 <br />mg/L <br />0.8 <br />10 <br />Total Alkalinity as CaCO3 <br />DUP 1301609-07 <br />874.76 <br />881.46 <br />mg/L <br />0.8 <br />10 <br />QC Batch ID: BWA1684 <br />Used client sample: <br />Y - Description: <br />G-6, 01/23/2013 09:04 <br />Bicarbonate <br />DUP 1301612-04 <br />104.61 <br />102.76 <br />mg/L <br />1.8 <br />10 <br />Total Alkalinity as CaCO3 <br />DUP 1301612-04 <br />85.800 <br />84.280 <br />mg/L <br />1.8 <br />10 <br />QC Batch ID: BWA2060 <br />Used client sample: <br />N <br />Chemical Oxygen Demand <br />DUP 1301605-02 <br />325.14 <br />322.90 <br />mg 02/1- <br />0.7 <br />20 <br />MS 1301605-02 <br />325.14 <br />1024.7 <br />750.00 mg 02/1- <br />93.3 <br />80-120 <br />MSD 1301605-02 <br />325.14 <br />1020.3 <br />750.00 mg 02/1- <br />0.4 <br />92.7 <br />20 <br />80-120 <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 aheration, separation, detachment or third party interpretation <br />4100 Atlas Court Bakersfield, CA 93308 <br />(661) 327-4911 FAX (661) 327-1918 <br />www.bdabs.com <br />Page 39 of 40 <br />