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w If L <br /> Weck Laboratories, Inc. <br /> Analytical Laboratory Services - Since 1964 <br /> Certificate of Analysis <br /> Week Laboratories, Inc <br /> Conventional CItem istry/Pbysicai Parameters by APriAiEPA/As,rm Methods-Quality Control <br /> Sample QC Spike 0/ TC RPD <br /> Analvte Result Result Qualifier Units Level %RLC Ltmtts RPD Limit <br /> Batch W8130364 Central Preparation <br /> Blank(W8B0364-BLK1) _ _ -_- ___. Prepared:02/1.1/0_8 Analyzed 02/12/08______ <br /> Total Dissolved Solids.......... ......... ND mg/1 <br /> LCS(W8B0364-BS11_ _ _._ _ ___ Prepared:02/11/08 Analyzed:02/12/08 <br /> Total Dissolved Solids..................... 803 mg/l 824 97 95-105 <br /> Duplicate-(W8B_0364-DUP1) ____ _ _ Source:8020751-01 Prepared:0211 I/08__Analyzed:02/1_2/08 <br /> Total Dissolved Solids......... .........1590 1590 mg/l 0.2 10 <br /> Batch W8805i9 General Prcparation <br /> Blan 53943L_K_.1) _ Prepared:02/14/0_8_Analyzed:02/19/08 <br /> Alkalinity as CaCO3........................ 0.520 1 mg/I <br /> Bicarbonate Alkalinity as HCO3..... 0.630 mg/l <br /> LCSLW8B0539-BSS __ __ _ Prepared:02/14/08 Analyzed._02/19/08 <br /> Alkalinity as CaCO3........................ 47.4 rngil 45.3 105 94-108 <br /> Carbonate Alkalinity as CaCO3....... ND mg/l 0.00 0-200 <br /> Bicarbonate Alkalinity as HCO3..... 57.8 mg/t 55.3 105 94-108 <br /> Hydroxide Alkalinity as CaCO3...... ND mg/l 0.00 0-200 <br /> Duplicate(W8B05_39-DUP1)_. Source:8020858-02 Prepared:02/14/08__Analyzed:02/19/08 <br /> Alkalinity as CaCO3........................89.o 89.2 mg/1 0.2 IS <br /> Carbonate Alkalinity as CaCO3......0.00 ND mg/l 200 <br /> Bicarbonate Alkalinity as HCO3.....109 109 mg/l 0.2 15 <br /> Hydroxide Alkalinity as CaCO3......0.00 ND mg/1 200 <br /> Week Laboratories, Inc <br /> Metals (Aqueous) by EPA 6000/7000 Series Methods-Quality Control <br /> Samplc QC Spike �oRF,C RPD <br /> Anal to Result Result Qualifier Units Level %REC himtts RPD Limit <br /> Batch W8130377-EPA 3005A <br /> Blank(W8B0377-B1.K1) ___ _. __ _ Prepared:02/11/08 Analyzed:02/14/08 <br /> Sodium;Dissolved........................... ND mg/l <br /> Calcium,Dissolved.......................... ND mg/1 <br /> Potassium,Dissolved....................... ND mg/l <br /> Magnesium,Dissolved..................... ND mg/I <br /> LCS(W8130377-BS1) __ _ _ Prepared:02/11/08 Analyzed:02/14/08 <br /> Lab#:8020858 Page 3 of,35 <br /> 14859 East Clark Avenue, City of Industry,California 91745-1396 (626)336-2139 FAX (626)336-2634 <br /> www.wecklabs.com <br />