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I <br />d <br />d <br />U <br />P <br />Ci <br />U <br />d <br />H <br />r, <br />I <br />WiiI L <br />Weck Laboratories, Inc. <br />Environmental and Analytical Services - Since 1964 <br />Quality Control Report <br />Week Laboratories, Inc <br />Conventional Chemistry/Physical Parameters by APHA/EPA/ASTM Methods - Quality Control <br />Sample QC SpikeRPD <br />Analyte Result Result Qualifier Units Level %REC �o�TnF'ItCs RPD Limit <br />Week Laboratories, Inc <br />Metals (Aqueous) by EPA 6000/7000 Series Methods - Quality Control <br />Sample QC SpikeRPD <br />Analyte Result Result Qualifier Units Level %REC %MCS RPD Limit <br />atch W7GI 058. - FPA3005A <br />%4nkf)Y ------ 07/30/07 Analyzed: 08/03/07 <br />Sodium, Dissolved ........................... 0.218 j mg/1 <br />Calcium, Dissolved .......................... 0.0164 j mg/l <br />Potassium, Dissolved ....................... ND mg/1 <br />Magnesium, Dissolved ..................... ND mg/l <br />Lab4:7072636 41 Page 3 of 5 <br />14859 East Clark Avenue, City of Industry, California 91.745-1396 (626) 336-2139 FAX (626) 336-2634 <br />www.weeklabs.com <br />___Prepamd: <br />07/26/07 Analvzed:_07,/27­/`07­ <br />Total Dissolved Solids ..................... <br />ND <br />mg/l <br />LC$..(W7-G-0968= _S) - � <br />- - <br />_naly-z-od-07/27/07 <br />Total Dissolved Solids ..................... <br />829 <br />mg/1 <br />824 101 98-103 <br />7072636-04 <br />Prevared: 07/26/07 Analyzed: 07/27/07 <br />Total Dissolved Solids .....................194 <br />191 <br />mg/l <br />2 <br />10 <br />Batch W7HOO43 - General Preparation <br />R_1a_nkff7_H004_3nRLKD_ <br />- ----- <br />- ---- --- <br />Alkalinity as CaCO3 ........................ <br />0.200 J <br />mg/l <br />Carbonate Alkalinity as CaCO3 ....... <br />ND <br />mg/1 <br />Bicarbonate Alkalinity as HCO3..... <br />0.240 <br />mg/l <br />Hydroxide Alkalinity as CaCO3 ...... <br />ND <br />mg/1 <br />08/01/07 Analyzed: �Q8/0_2/07 <br />Alkalinity as CaCO3 ........................ <br />45.6 <br />mg/1 <br />45.3 101 94-108 <br />Carbonate Alkalinity as CaCO3 ....... <br />ND <br />mg/1 <br />0.00 0-200 <br />Bicarbonate Alkalinity as HCO3..... <br />55.7 <br />Ing/1 <br />55.3 101 94-108 <br />Hydroxide Alkalinity as CaCO3 ...... <br />ND <br />mg/1 <br />0.00 0-200 <br />Ru je—ate_( LH43-DQF <br />— <br />Source: 7072706 49 <br />Prepa e__- -0-8-/--1--/-0--7- —Analy-zed: 08/02/07 <br />Alkalinity as CaCO3 ........................72.2 <br />77.0 <br />mg/1 <br />6 <br />15 <br />Carbonate Alkalinity as CaCO3 ....... 0.00 <br />ND <br />mg/1 <br />200 <br />Bicarbonate Alkalinity as HCO3 ..... 88.1 <br />88.1 <br />mg/l <br />0 <br />15 <br />Hydroxide Alkalinity as CaCO3 ...... 0.00 <br />ND <br />mg/l <br />200 <br />Week Laboratories, Inc <br />Metals (Aqueous) by EPA 6000/7000 Series Methods - Quality Control <br />Sample QC SpikeRPD <br />Analyte Result Result Qualifier Units Level %REC %MCS RPD Limit <br />atch W7GI 058. - FPA3005A <br />%4nkf)Y ------ 07/30/07 Analyzed: 08/03/07 <br />Sodium, Dissolved ........................... 0.218 j mg/1 <br />Calcium, Dissolved .......................... 0.0164 j mg/l <br />Potassium, Dissolved ....................... ND mg/1 <br />Magnesium, Dissolved ..................... ND mg/l <br />Lab4:7072636 41 Page 3 of 5 <br />14859 East Clark Avenue, City of Industry, California 91.745-1396 (626) 336-2139 FAX (626) 336-2634 <br />www.weeklabs.com <br />