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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 02/13/2026 16:34 <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: B226354 <br /> Chloride B226354-BLK1 0.17900 mg/L 0.50 0.13 J 1 <br /> Nitrate as N B226354-BLK1 ND mg/L 0.10 0.024 1 <br /> Sulfate B226354-BLKI 0.26500 mg/L 1.0 0.14 J 1 <br /> QC Batch ID: B226355 <br /> Chloride B226355-BLK1 0.15800 mg/L 0.50 0.13 J 2 <br /> Nitrate as N B226355-BLK1 ND mg/L 0.10 0.024 2 <br /> Sulfate B226355-BLK1 ND mg/L 1.0 0.14 2 <br /> QC Batch ID: B226452 <br /> Dissolved Calcium B226452-BLK1 ND mg/L 0.10 0.016 3 <br /> Dissolved Magnesium B226452-BLK1 ND mg/L 0.050 0.022 3 <br /> Dissolved Sodium B226452-BLK1 ND mg/L 1.0 0.051 3 <br /> Dissolved Potassium B226452-BLK1 ND mg/L 1.0 0.10 3 <br /> QC Batch ID: B226484 <br /> Bicarbonate B226484-BLK1 ND mg/L 5.0 5.0 4 <br /> Carbonate B226484-BLK1 ND mg/L 2.5 2.5 4 <br /> Total Alkalinity as CaCC3 B226484-BLK1 ND mg/L 4.1 4.1 4 <br /> QC Batch ID: B226485 <br /> Bicarbonate B226485-BLK1 ND mg/L 5.0 5.0 5 <br /> Carbonate B226485-BLK1 ND mg/L 2.5 2.5 5 <br /> Total Alkalinity as CaCO3 B226485-BLK1 ND mg/L 4.1 4.1 5 <br /> QC Batch ID: B226525 <br /> Total Dissolved Solids @ 180 C B226525-BLK1 ND mg/L 10 5.0 6 <br /> QC Batch ID: B226526 <br /> Total Dissolved Solids @ 180 C B226526-BLK1 ND mg/L 10 5.0 7 <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: 1001653944 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 90 of 98 <br />