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Inc. <br /> Environmental Testing Laboratory Since 1949 <br /> sw <br /> Laboratories <br /> Shaw Project: Foothill Landfill Reported: 02/11/2010 13:28 <br /> 1326 North Market Boulevard Project Number: 124591,Leachate <br /> Sacramento,CA 95834 Project Manager: Sheila Richgels <br /> Water Analysis (General Chemistry) <br /> BCL Sample ID: 1001674-01 Client Sample Name: Foothill Landfill,L-01,2/3/2010 11:50:OOAM,Paul Weinhardt <br /> Prep Run Instru- QC MB Lab <br /> Constituent Result Units PQL MDL Method Date Date/Time Analyst ment ID Dilution Batch ID Bias Quals <br /> Total Calcium 120 mg/L 0.10 0.015 EPA-60108 02105/10 02/05/10 13:44 ARD PE-OP1 1 BTB0388 ND <br /> Total Magnesium 51 mg/L 0.050 0.024 EPA-60108 02105110 02/05/10 13:44 ARD PE-OP1 1 BTB0388 ND <br /> Total Sodium 54 mg/L 0.50 0.039 EPA-60108 02/05/10 02105/10 13:44 ARD PE-OP1 1 BTB0388 0.060 <br /> Total Potassium 4.3 mg/L 1.0 0.049 EPA-6010B 02/05110 02/05/10 13:44 ARD PE-OP1 1 BTB0388 0.076 <br /> Bicarbonate 670 mg/L 10 10 EPA-310.1 02105110 02/05/10 16:07 RML MET-1 2 BTB0463 ND <br /> Carbonate ND mg/L 5.0 5.0 EPA 310.1 02/05/10 02/05/10 16:07 RML MET-1 2 BTB0453 ND <br /> Total Alkalinity as CaCO3 550 mg1L 8.2 8.2 EPA-310.1 02/05110 02/05/10 16:07 RML META 2 BTB0453 ND <br /> Chloride — 66 mg/L 0.50 0.059 EPA-300.0 02/05/10 02/05/10 04:22 CRR ICI 1 BTB0419 0.20 <br /> Nitrate as N — ND mg/L 0.10 0.026 EPA-300.0 02/05/10 02/05/10 04:22 CRR IC1 1 BTB0419 ND <br /> Sulfate 0.56 mg/L 1.0 0.21 EPA-300.0 02/05/10 02/05/10 04:22 CRR IC1 1 BTB0419 ND J <br /> Total Dissolved Solids Ldi 180 C 720 mg/L 50 50 EPA-160.1 02105/10 02/05/10 14:00 JLR MANUAL 5 BTBO511 ND <br /> The results in this report apply to the samples analyzed in accordance with the chain gfcustodv document.This analytical report must he reproduced in its entireiv. <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,detachment or third party interpretation. <br /> 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.bclabs.com Page 6 of 15 <br /> Certifications: California-ELAP Certification Number 1186, Nevada Administrative Code-NAC-445A <br />