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ENVIRONMENTAL AGMICULTURAL <br /> Analytical Chemists <br /> December 11, 2012 <br /> City of Lathrop Lab ID : STK1251024 <br /> Public Works Dept. Customer 3-8507 <br /> 390 Towne Centre Drive <br /> Lathrop, CA 95330 <br /> Laboratory Report <br /> Introduction: This report package contains total of 9 pages divided into 3 sections: <br /> Case Narrative (2 pages) : An overview of the work performed at FGL. <br /> Sample Results (6 pages) : Results for each sample submitted. <br /> Quality Control (1 page) : Supporting Quality Control (QC) results. <br /> Case Narrative <br /> This Case Narrative pertains to the following samples: <br /> Sample Description Date Sampled ReceiDaed FGL Lab ID# Matrix <br /> Sludge LAWTF 10 yd-1 11/28/2012 11/28/2012 STK1251024-001 Sig <br /> Sludge LAWTF 10 yd-2 11/28/2012 11/28/2012 STK1251024-002 Slg <br /> Sludge LAWTF 10 yd-3 11/28/2012 11/28/2012 STK1251024-003 Slg <br /> Sludge LAWTF 20 yd-1 11/28/2012 11/28/2012 STK1251024-004 Slg <br /> Sludge LAWTF 20 yd-2 11/28/2012 11/28/2012 STK1251024-005 Sig <br /> Sludge LAWTF 20 yd-3 11/28/2012 1 11/28/2012 STK1251024-006 sill <br /> Sampling and Receipt Information: All samples were received,prepared and analyzed within the <br /> method specified holding times. All samples arrived on ice. All samples were checked for pH if acid or <br /> base preservation is required(except for VOAs). For details of sample receipt information,please see <br /> the attached Chain of Custody and Condition Upon Receipt Form. <br /> Quality Control: All samples were prepared and analyzed according to the following tables: <br /> Inorganic-Metals QC <br /> 200.7 12/11/2012:218186 All analysis quality controls are within established criteria. <br /> 12/07/2012:213588 All preparation quality controls are within established criteria,except: <br /> 0�O The following note applies to Arsenic: <br /> 430 Post Digestion Spike(PDS)not within Acceptance Range(AR)because of matrix interferences <br /> affecting this analyte. <br /> of IGIGI�.r'a Page 1 of 9 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D Visalia,California <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 TEL:(559)734-9473 <br /> TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 Mobile:(559)737-2399 <br /> Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)525-4172 FAX:(559)734-8435 <br /> CA NELAP Certification No.01110CA CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 <br />