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March 16, 2022 <br />San Joaquin Co. Environmental Health Dep Lab ID <br />Water Quality Division Customer <br />Attn: Michael Kith <br />1868 East Hazelton Ave. <br />Stockton, CA 95205 <br />Laboratory Report <br />STK2233086 <br />3-17919 <br />Introduction: This report package contains total of 8 pages divided into 4 sections: <br />Case Narrative <br />(2 pages) : An overview of the work performed at FGL. <br />Sample Results <br />(1 page) : Results for each sample submitted. <br />Interpretation <br />(1 page) : Drinking Water Interpretation for each sample submitted. <br />Quality Control <br />(4 pages) : Supporting Quality Control (QC) results. <br />Case Narrative <br />This Case Narrative pertains to the following samples: <br />Sample Description Date Date <br />h'GL Lab ID # Matrix <br />Sampled Received <br />STK2233086-001 MBAS (foaming agents) <br />Wellhead 03/03/2022 03/03/2022 <br />STK2233086-001 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 <br />Required Holding <br />Time <br />Actual Holding <br />Time <br />STK2233086-001 MBAS (foaming agents) <br />48 <br />23.8 3 1 lou i�s <br />All samples arrived at 10. °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 <br />03/04/2022:203291 All analysis quality controls are within established criteria. <br />03/06/2022:203488 All analysis quality controls are within established criteria. <br />03/04/2022:202506 All preparation quality controls are within established criteria (performed at FGL-SP <br />ELAP# 1573). <br />Corporate Offices & Laboratory Office & Laboratory Office & Laboratory <br />853 Corporation Street 2500 Stagecoach Road 563 E. Lindo Avenue <br />Santa Paula. CA 93060 Stockton, CA 95215 Chico, CA 95926 <br />TEL: (805)392-2000 TEL: (209)942-0182 TEL: (530)343-5818 <br />Env FAX: (805)525-4172 / Ag FAX: (805)392-2063 FAX: (209)942-0423 FAX: (530)343-3807 <br />CA ELAP Certification No. 1573 CA ELAP Certification No. 1563 CA ELAP Certification No. 2670 <br />Office & Laboratory <br />3442 Empresa Drive, Suite D <br />San Luis Obispo, CA 93401 <br />TEL: (805)783-2940 <br />FAX: (805)783-2912 <br />CA ELAP Certification No. 2775 <br />Page 1 of 9 <br />Office & Laboratory <br />9415 W. Goshen Avenue <br />Visalia, CA 93291 <br />TEL: (559)734-9473 <br />FAX: (559)734-8435 <br />CA ELAP Certification No. 2810 <br />