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[1 <br />I Wol L <br />0 <br />r^ <br />0 <br />Certificate of Analysis <br />Weck Laboratories, Inc <br />Conventional Chemistry/Physical Parameters by APHA/EPA/ASTM Methods - Quality Control <br />Sample QC Spike �REC RPD <br />Analvte Result Result Qualifier Units Level%IZFr Limits RPD Limit <br />Batch W7B0147 - General Prenaration <br />Blank (W71310147-BLKL) ' Prepared' 02/05/07 Anal zed 02/06/07 <br />Alkalinity as CaCO3 ............................... 0.570 t mgn <br />Bicarbonate Alkalinity as HCO3............ 0.695 1 mg/l <br />LCS (W7B0147-BSI) Prepared' 02/05/07 Analyzed' 02/06/07 <br />Alkalinity as CaCO3 ............................... 131 mg/l 136 96.3 94-108 <br />Bicarbonate Alkalinity as HCO3............ 160 m9/1 166 96.4 94-108 <br />Duplicate (W7B0147-DUP1) <br />Source: 7020242-01 <br />Prepared' 02/05/07 Analyzed' 02/06/07 <br />Blank (W71310426-BLKL) <br />Alkalinity as CaCO3........................ <br />....._160o <br />1590 <br />mgA <br />ND <br />ND <br />0.627 <br />15 <br />Bicarbonate Alkalinity as HCO3 ............ <br />1900 <br />1940 <br />mg/l <br />2.08 <br />15 <br />mg/1 <br />Batch W7130186 - General Preparation <br />LCS (W7B0426-BSI) <br />Prepared' 02/12/07 Anal zed 02/22/07 <br />Calcium ................................................... <br />Blank (W7B0186-BLKL) <br />mg/1 <br />51,0 98.4 75-125 <br />Prepared &Anal zed' 02/06/07 <br />63.2 <br />1119/1 <br />60.0 105 75-125 <br />Total Dissolved Solids ............................ <br />Magnesium ............................................. <br />ND <br />mgn <br />51.0 97.8 75-125 <br />Sodium .................................................... <br />56.0 <br />LCS (W7B0186-BS1) <br />51.0 110 75-125 <br />Lab#:7020242 <br />Prepared & Analyzed: 02/06/07 <br />Page 2 of 4 <br />14859 East Clark Avenue, City of Industry, California 91745-1396 <br />(626) 336-2139 FAX (626) 336-2634 <br />www.wecklabs.com <br />Total Dissolved Solids. ................. <br />......... <br />838 <br />mg/l <br />824 102 98-103 <br />Duplicate (W7B0186-DUPI) <br />Source: 7013146-02 <br />Prepared &Anal zed' 02/06/07 <br />Total Dissolved Solids ........................... <br />6.0 <br />6.00 1 <br />mg/l <br />0.00 <br />10 <br />Weck Laboratories, Inc <br />Metals (Aqueous) by EPA 6000/7000 Series Methods - Quality Control <br />fSample <br />QC <br />Spike <br />%RFC <br />RPD <br />Analyte <br />Result <br />Result Qualifier <br />Units <br />Level %RF(' Limits <br />RPD <br />Limit <br />Batch W7110426 -EEA 3005A <br />Blank (W71310426-BLKL) <br />Prepared• 02/12/07 Analyzed' 02/22/07 <br />Calcium................................................... <br />Potassium................................................ <br />ND <br />ND <br />mg/I <br />mg/l <br />Magnesium ............................................. <br />ND <br />mg/1 <br />Sodium.................................................... <br />ND <br />mg/1 <br />LCS (W7B0426-BSI) <br />Prepared' 02/12/07 Anal zed 02/22/07 <br />Calcium ................................................... <br />50.2 <br />mg/1 <br />51,0 98.4 75-125 <br />Potassium ................................................ <br />63.2 <br />1119/1 <br />60.0 105 75-125 <br />Magnesium ............................................. <br />49.9 <br />mg/l <br />51.0 97.8 75-125 <br />Sodium .................................................... <br />56.0 <br />mg/l <br />51.0 110 75-125 <br />Lab#:7020242 <br />Page 2 of 4 <br />14859 East Clark Avenue, City of Industry, California 91745-1396 <br />(626) 336-2139 FAX (626) 336-2634 <br />www.wecklabs.com <br />