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FGL <br /> ENVIRONMENTAL <br /> Analytical Chemists <br /> December 30, 2021 <br /> San Joaquin Co. Environmental Health Dep Lab ID : STK2157970 <br /> Water Quality Division Customer 3-17919 <br /> Attn: Michael Kith <br /> 1868 East Hazelton Ave. <br /> Stockton, CA 95205 <br /> Laboratory Report <br /> Introduction: This report package contains total of 8 pages divided into 4 sections: <br /> Case Narrative (2 pages) : An overview of the work performed at FGL. <br /> Sample Results (1 page) : Results for each sample submitted. <br /> Interpretation (1 page) : Drinking Water Interpretation for each sample submitted. <br /> Quality Control (4 pages) : Supporting Quality Control (QC)results. <br /> Case Narrative <br /> This Case Narrative pertains to the following samples: <br /> Sample Description Date Sampled R Dat ed FGL Lab ID# Matrix <br /> Wellhead 12/15/2021 12/15/2021 STK2157970-001 I DW <br /> Sampling and Receipt Information: All samples were received in acceptable condition and within <br /> temperature requirements, unless noted on the Condition Upon Receipt(CUR) form. All samples arrived <br /> at 7.7 °C. All samples were prepared and analyzed within the method specified hold time. All samples <br /> were checked for pH if acid or base preservation is required (except for VOAs). For details of sample <br /> receipt information, please see 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 12/20/2021:219657 All analysis quality controls are within established criteria. <br /> 12/20/2021:214622 All preparation quality controls are within established criteria(performed at FGL-SP <br /> ELAP# 1573),except: <br /> The following note applies to Magnesium: <br /> 435 Sample matrix may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <br /> Inorganic - Wet Chemistry QC <br /> 2320B 12/21/2021:219747 All analysis quality controls are within established criteria. <br /> 12/21/2021:214686 All preparation quality controls are within established criteria(performed at FGL-SP <br /> ELAN 1573). <br /> Page 1 of 9 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo,CA 93401 Visalia,CA 93291 <br /> TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)783-2940 TEL:(559)734-9473 <br /> Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX:(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 <br /> CA ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />