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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/13/2026 11:37 <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: B227024 <br /> Dissolved Aluminum B227024-BLK1 ND ug/L 50 23 1 <br /> Dissolved Antimony B227024-BLK1 ND ug/L 100 4.9 1 <br /> Dissolved Arsenic B227024-BLK1 ND ug/L 50 9.2 1 <br /> Dissolved Barium B227024-BLK1 ND ug/L 10 3.5 1 <br /> Dissolved Beryllium B227024-BLK1 ND ug/L 10 0.50 1 <br /> Dissolved Cadmium B227024-BLK1 ND ug/L 10 1.1 1 <br /> Dissolved Chromium B227024-BLK1 ND ug/L 10 1.0 1 <br /> Dissolved Cobalt B227024-BLK1 ND ug/L 50 1.1 1 <br /> Dissolved Copper B227024-BLK1 ND ug/L 10 1.0 1 <br /> Dissolved Iron B227024-BLK1 ND ug/L 50 30 1 <br /> Dissolved Lead B227024-BLK1 ND ug/L 50 3.5 1 <br /> Dissolved Manganese B227024-BLK1 ND ug/L 10 4.0 1 <br /> Dissolved Molybdenum B227024-BLK1 ND ug/L 50 1.4 1 <br /> Dissolved Nickel B227024-BLK1 ND ug/L 10 2.4 1 <br /> Dissolved Selenium B227024-BLK1 ND ug/L 100 15 1 <br /> Dissolved Silver B227024-BLK1 ND ug/L 10 1.2 1 <br /> Dissolved Tin B227024-BLK1 ND ug/L 50 7.2 1 <br /> Dissolved Thallium B227024-BLK1 ND ug/L 100 10 1 <br /> Dissolved Vanadium B227024-BLK1 ND ug/L 10 2.2 1 <br /> Dissolved Zinc B227024-BLK1 ND ug/L 10 5.0 1 <br /> QC Batch ID: B227448 <br /> Dissolved Mercury B227448-BLK1 ND ug/L 0.20 0.022 2 <br /> QC Batch ID: B227527 <br /> Dissolved Mercury B227527-BLK1 ND ug/L 0.20 0.022 3 <br /> Run <br /> Run# QC Sample ID QC Type Method Prep Date Date Time Analyst Instrument Dilution <br /> 1 B227024-BLK1 PB EPA-6010B 02/11/26 02/11/2610:19 NW1 ICP5 1 <br /> 2 B227448-BLK1 PB EPA-7470A 02/18/26 02/18/2616:29 TMT CETAC4 1 <br /> 3 B227527-BLK1 PB EPA-7470A 02/19/26 02/19/2612:49 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: 1001665326 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 39 of 44 <br />