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Weck Laboratories, Inc. Analytical Laboratory Services- Since 1964 Certificate ®f Analysis Authorized Signature ELAP # 1132 LACSD# 10143 I V 4 Contact: Kim G Tu (Project Manager) NELAC#04229CA 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 requirements of NELAC unless noted in the Case Narrative. This analytical report must be reproduced in its entirety. Notes: The Chain of Custody document is part of the analytical report. Any remaining sample(s)for testing will be disposed of one month from the final report date unless other arrangements are made in advance. All results are expressed on wet weight basis unless otherwise specified. ND=NOT DETECTED at or above the Reporting Limit. If J-value reported,then NOT DETECTED at or above the Method Detection Limit(MDL). Sub=Subcontracted analysis,original report enclosed. Dill=Dilution Factor MDL=Method Detection Limit MDA=Minimum Detectable Activity An Absence of Total Coliform meets the drinking water standards as established by the State of Calitornia Department of Health Services. The Reporting Limit(RL)is referenced as laboratory's Practical Quantitation Limit(PQL). For Potable water analysis,the Reporting Limit(RL)is referenced as Detection Limit for reporting purposes(DLRs)defined by EPA. If sample collected by Weck Laboratories,sampled in accordance to lab SOP MIS002 Flags for Data Qualifiers: J=Detected but below the Reporting Limit;therefore;result is an estimated concentration(CLP J-Flag). M-04=Due to the nature of matrix interferences,sample extract was diluted prior to analysis.The reporting limits were raised due to the dilution. Lab#:8020685 Page 8 of3V 14859 East Clark Avenue,City of Industry,California 91745-1396 (626)336-2139 FAX (626)336-2634 www.weeklabs.com