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T <br />Certificate of Analysis <br />Weck Laboratories, Inc <br />Metals (Aqueous) by EPA 6000/7000 Series Methods - Quality Control <br />Inc. <br />Sample QC Spike RPD <br />Analyte Result Result �REC <br />Qualifier Units Level BRAC Limits RPD Limit <br />'t <br />Batch W7B0426 - EPA 3005A <br />M4trix Spike (W7B0426-MS1) Source: 7020240-01 Pre--pared-n-/-r- Analyzed 02/22/07 <br />Calcium...................................................18 66.4 mg/I 51.0 94.9 75-125 <br />Potassium...............................................3.1 65.9 mg/I 60.0 105 75-125 <br />Magnesium.............................................9.6 58.2 mg/I 51.0 95.3 75-125 <br />Sodium....................................................13 65.7 mg/l 51.0 103 75-125 <br />Matrix Spike Dup (W7B0426-MSD1) <br />Source: 7020240-01 <br />Prepared 02/12/07 Anal zed' -2/22/07 <br />Calcium...................................................18 <br />65.3 mg/I <br />51.0 92.7 75-125 1.67 20 <br />Potassium ............................................... 3.1 <br />65.1 mg/I <br />60.0 103 75-125 1.22 20 <br />Magnesium.............................................9.6 <br />57.3 mg/l <br />51.0 93.5 75-125 1.56 20 <br />Sodium....................................................13 <br />65.2 m9/1 <br />51.0 102 75-125 0.764 20 <br />Contact: Taylor Maligmat <br />Authorized Signature <br />(Project Manager) <br />ELAP # 1132 <br />LACSD # 10143 <br />NELAC # 04229CA <br />The results in this report apply to the samples analyzed in accordance with the chain ofcustody document. Week Laboratories certifies that the test results meet all <br />requirements oj'NF.'LAC unless noted in the Case Narrative. This analytical report must be reproduced in its entirety. <br />Notes: <br />The Chain of Custody document is part of the analytical report. <br />Any remaining sample(s) for testing will be disposed of one month from the final report date unless other arrangements are made in advance. <br />All results are expressed on wet weight basis unless otherwise specified. <br />ND = NOT DETECTED at or above the Reporting Limit. If -value reported, then NOT DETECTED at or above the Method Detection Limit (MDL), <br />Sub = Subcontracted analysis, original report enclosed. <br />Dil = Dilution Factor <br />MDL = Method Detection Limit <br />MDA = Minimum Detectable Activity , <br />An Absence of Total Coliform meets the drinking water standards as established by the State ofCalifornia Department of Health Services. <br />The Reporting Limit (RL) is referenced as laboratory's Practical Quantitation Limit (PQL). <br />For Potable water analysis, the Reporting Limit (RL) is referenced as Detection Limit for reporting purposes (DLRs) defined by EPA. <br />If sample collected by Week Laboratories, sampled in accordance to lab SOP MIS002 <br />aim a14 <br />Lab#:7020242 Page 3 of 4 <br />14859 East Clark Avenue, City of Industry, California 91745-1396 (626) 336-2139 FAX (626) 336-2634 <br />www.wecklabs.com <br />i <br />I <br />Ll <br />u <br />i7 <br />I <br />I i <br />I I <br />11 <br />C <br />n <br />11 <br />ll <br />