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ME <br /> ENVIRONMENTAL • . <br /> Analytical Cheiiiists <br /> June 9, 2021 <br /> San Joaquin Co. Environmental Health Dep Lab ID : STK2136694 <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 Date FGL Lab ID # Matrix <br /> Sampled Received <br /> Wellhead 1 05/12/2021 05/12/2021 STK2136694-001 DW <br /> Sampling and Receipt Information: The sample was received,prepared and analyzed within the <br /> method specified holding except those as listed in the table below. <br /> Lab ID Analyte/Method Required HoldingActual Holding <br /> Time F Time <br /> STK2136694-001 pH 15 1 2854.8 Minutes <br /> All samples arrived at 7.3 °C. All samples were checked for pH if acid or base preservation is required <br /> (except for VOAs). For details of sample receipt information,please see the attached Chain of Custody <br /> 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 05/17/2021:207350 All analysis quality controls are within established criteria. <br /> 05/17/2021:205418 All preparation quality controls are within established criteria(performed at FGL-SP <br /> ELAN 1573),except: <br /> The following note applies to Calcium,Iron,Potassium,Magnesium,Manganese,Sodium: <br /> 435 Sample matrix may be affecting this analyte.Data was accepted based on the LCS or CCV recovery. <br /> The following note applies to Iron,Potassium,Manganese: <br /> 435 Sample matrix may be affecting this analyte. Data was accepted based on the LCS or CCV recove <br /> Page I 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 />