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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/13/2026 15:13 <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 /> Water Analysis (General Chemistry) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals Run# <br /> QC Batch ID: B226433 <br /> Nitrate as N B226433-BLK1 ND mg/L 0.10 0.024 1 <br /> QC Batch ID: B226447 <br /> Chloride B226447-BLK1 ND mg/L 0.50 0.13 2 <br /> Nitrate as N B226447-BLK1 ND mg/L 0.10 0.024 2 <br /> Sulfate B226447-BLK1 ND mg/L 1.0 0.14 2 <br /> QC Batch ID: B226448 <br /> Chloride B226448-BLK1 0.18700 mg/L 0.50 0.13 J 3 <br /> Nitrate as N B226448-BLK1 ND mg/L 0.10 0.024 3 <br /> Sulfate B226448-BLK1 ND mg/L 1.0 0.14 3 <br /> QC Batch ID: B226477 <br /> Dissolved Calcium B226477-BLK1 ND mg/L 0.10 0.016 4 <br /> Dissolved Magnesium B226477-BLK1 ND mg/L 0.050 0.022 4 <br /> Dissolved Sodium B226477-BLK1 ND mg/L 1.0 0.051 4 <br /> Dissolved Potassium B226477-BLK1 ND mg/L 1.0 0.10 4 <br /> QC Batch ID: B226626 <br /> Bicarbonate B226626-BLK1 ND mg/L 5.0 5.0 5 <br /> Carbonate B226626-BLK1 ND mg/L 2.5 2.5 5 <br /> Total Alkalinity as CaCO3 B226626-BLK1 ND mg/L 4.1 4.1 5 <br /> QC Batch ID: B226627 <br /> Bicarbonate B226627-BLK1 ND mg/L 5.0 5.0 6 <br /> Carbonate B226627-BLK1 ND mg/L 2.5 2.5 6 <br /> Total Alkalinity as CaCO3 B226627-BLK1 ND mg/L 4.1 4.1 6 <br /> Run <br /> Run# QC Sample ID QC Type Method Prep Date Date Time Analyst Instrument Dilution <br /> 1 B226433-BLK1 PB EPA-300.0 01/30/26 01/3012610:55 OAE IC9 1 <br /> 2 B226447-BLK1 PB EPA-300.0 01/30/26 01/30/2613:26 PRE IC12 1 <br /> 3 B226448-BLK1 PB EPA-300.0 01/30/26 01/30/2613:32 OAE IC7 1 <br /> 4 B226477-BLK1 PB EPA-6010B 02/02/26 02/02/2614:18 JRG ICP6 1 <br /> 5 B226626-BLK1 PB EPA-310.1 02/04/26 02/04/2612:00 JMH2 MET-1 1 <br /> 6 B226627-BLK1 PB EPA-310.1 02/04/26 02/04/2614:19 JMH2 MET-1 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: 1001665557 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 111 of 118 <br />