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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/13/2026 15:42 <br /> 4119 Broad Street Suite 210 Project: Forward Landfill-COELT <br /> San Luis Obispo,CA 93401 Project Number: 30274343.01 <br /> Project Manager: Dalia Rumani <br /> Metals Analysis <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals Run# <br /> QC Batch ID: B227109 <br /> Dissolved Aluminum B227109-BLK1 ND ug/L 50 23 1 <br /> Dissolved Antimony B227109-BLK1 ND ug/L 100 4.9 1 <br /> Dissolved Arsenic B227109-BLK1 ND ug/L 50 9.2 1 <br /> Dissolved Barium B227109-BLK1 ND ug/L 10 3.5 1 <br /> Dissolved Beryllium B227109-BLK1 ND ug/L 10 0.50 1 <br /> Dissolved Cadmium B227109-BLK1 ND ug/L 10 1.1 1 <br /> Dissolved Chromium B227109-BLK1 ND ug/L 10 1.0 1 <br /> Dissolved Cobalt B227109-BLK1 ND ug/L 50 1.1 1 <br /> Dissolved Copper B227109-BLKI 1.6000 ug/L 10 1.0 J 1 <br /> Dissolved Iron B227109-BLK1 ND ug/L 50 30 1 <br /> Dissolved Lead B227109-BLK1 ND ug/L 50 3.5 1 <br /> Dissolved Manganese B227109-BLK1 ND ug/L 10 4.0 1 <br /> Dissolved Molybdenum B227109-BLK1 ND ug/L 50 1.4 1 <br /> Dissolved Nickel B227109-BLK1 ND ug/L 10 2.4 1 <br /> Dissolved Selenium B227109-BLK1 ND ug/L 100 15 1 <br /> Dissolved Silver B227109-BLK1 ND ug/L 10 1.2 1 <br /> Dissolved Tin B227109-BLK1 ND ug/L 50 7.2 1 <br /> Dissolved Thallium B227109-BLK1 ND ug/L 100 10 1 <br /> Dissolved Vanadium B227109-BLK1 ND ug/L 10 2.2 1 <br /> Dissolved Zinc B227109-BLK1 ND ug/L 10 5.0 1 <br /> QC Batch ID: B227619 <br /> Dissolved Mercury B227619-BLK1 ND ug/L 0.20 0.022 2 <br /> Run <br /> Run# QC Sample ID QC Type Method Prep Date Date Time Analyst Instrument Dilution <br /> 1 B227109-BLK1 PB EPA-6010B 02/12/26 02/12/2613:00 JRG ICP6 1 <br /> 2 B227619-BLK1 PB EPA-7470A 02/20/26 02/20/2614:18 TMT CETAC4 1 <br /> The results in this report apply to the samples analyzed in accordance with the chain of custody document.This analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting party. Pace Analytical assumes no responsibility for report alteration,separation,detachment or third party interpretation. <br /> Report ID: 1001665591 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 39 of 43 <br />