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W11 L Weck <br />Laboratories,,Jnc. <br />Environmental and Analytical Services - Since 1964 <br />1 tt t tt <br />Weck Laboratories, <br />Metals (Non -Aqueous) by EPA 6000/7000 Series Methods - Quality Control <br />Sample QC Spike o�gEC RPD <br />•nave Result Result Qualifier Units Level RPD Limit <br />Match 3y7H0450 EPA 7471A <br />Blank (W7H0450-BLK1) Prepared: 08/10/07 Analyzed: 08/17/07 <br />Mercury, Total ........................................ NO <br />mg/kg wet <br />LCS (W7110450-191SI) Prepared: 08/10/07 Analyzed: 08/17/07 _ <br />Mercury, Total ........................................ 0.0815 <br />mg/kg wet 0.0806 101 80-120 <br />Matrix Spike (W7H0450 MSI) Source: 7080825-01 Prepared: 08/10/07 Analyzed: 08/17/07 <br />Mercury, Total ....................................... 0.0113 0.0844 <br />mg/kg wet 0.0833 88 70-130 <br />Matrix Spike Dup (W7H0450-MSD1) Source: 7080825-01 Prepared: 08/10/07 Analyzed: 08/17/07 <br />Mercury, Total ....................................... 0.0113 <br />Case Narrative: <br />0.0819 <br />mg/kg wet 0.0833 85 70-130 3 25 <br />Authorized Signature ELAP # 1132 <br />LACSD # 10143 <br />Contact: Alfredo Pierri (Lab Director) NELAC # 04229CA <br />The results in this report apply to the samples analyzed in accordance with the chain of custody document. Weck 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 Week Laboratories, sampled in accordance to lab SOP MIS002 <br />Flags for Data Qualifiers: <br />Lab#:7080621 Page 2 of 2 <br />14859 East Clark Avenue, City of Industry, California 91745-1396 (626) 336-2139 FAX (626) 336-2634 <br />www.wecklabs.com <br />