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W�, L <br />Weck Laboratories, Inc. <br />Environmental and Analytical Services - Since 1964 <br />Quality Control Report <br />Weck Laboratories, Inc <br />Metals (Aqueous) by EPA 6000/7000 Series Methods - Quality Control <br />Sample QC Spike - FC <br />RPD <br />Analyte Result Result Qualifier Units Level %uREC tm1ts RPD Limit <br />Batch W7GI058 - EPA 3005A <br />- <br />_._ <br />Prepared:_07/30/07 Analy_zed_. 08/03/07_ _ <br />Sodium, Dissolved ........................... <br />49.0 <br />,ng/I <br />51.0 96 85-115 <br />Calcium, Dissolved .......................... <br />49.5 <br />mg/1 <br />51.0 97 85-115 <br />Potassium, Dissolved ....................... <br />61.5 <br />mg/I <br />60.0 102 75-125 <br />Magnesium, Dissolved ..................... <br />48.6 <br />mg/I <br />51.0 95 85-115 <br />Matrix. Spike (W7G1U58-MS1j <br />,Source: 7072636-01 <br />Pared:07/3.0/07 Analyzed:_08/03/07 <br />Sodium, Dissolved ...........................11.4 <br />61.8 <br />mg/1 <br />51.0 99 70-130 <br />Calcium, Dissolved ..........................19.2 <br />70.9 <br />mg/1 <br />51.0 101 70-130 <br />Potassium, Dissolved .......................3.13 <br />65.6 <br />mg/I <br />60.0 104 70-130 <br />Magnesium, Dissolved....................9.86 <br />59.4 <br />mg/1 <br />51.0 97 70-130 <br />Matrix $pike.Dup�W7G1058-MSI)1Z.-.__._ <br />Source: 7072636-01 <br />_prepared:07/30/07._Anall <br />e . 08/03/07 <br />Sodium, Dissolved ...........................11.4 <br />62.5 <br />mg/I <br />51.0 100 70-130 1 20 <br />Calcium, Dissolved ...........:..............19.2 <br />71.1 <br />mg/1 <br />51.0 102 70-130 0.3 20 <br />Potassium, Dissolved .......................3.13 <br />65.4 <br />mg/I <br />60.0 104 70-130 0.3 20 <br />Magnesium, Dissolved .................... 9.86 <br />59.6 <br />mg/l <br />51.0 97 70-130 0.2 20 <br />Case Narrative: <br />Contact: Alfredo Pierri <br />Authorized Signature <br />(Lab Director) <br />ELAP # 1132 <br />LACSD # 10143 <br />NELAC # 04229CA <br />The results in this report apply to the samples analy_ed in accordance with the chain of custody document. Nleck Laboratories certifies that the test results meet all <br />requirements of NELAC 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, below the reporting limit. <br />Sub=Subcontracted analysis, original report enclosed. <br />An Absence of Total Coliform meets the drinking water standards as established by the State of California 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 Weck Laboratories, sampled in accordance to lab SOP MIS002 <br />Lab#:7072636 Id d Page 4 of 5 <br />14859 East Clark Avenue, City of Industry, California 1745-1396 (626) 336-2139 FAX (626) 336-2634 <br />www.wecklabs.com <br />[l <br />r <br />11 <br />0 <br />r <br />