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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/10/2026 15:35 <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 /> Pace Sample ID: 2602031-16 Client Sample Name: Forward Lf,D-02,D-02,2/9/2026 12:55:OOPM,Manuel/Del-Tech <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Qualls DCN <br /> Dissolved Calcium 240 mg/L 0.50 0.080 EPA-6010B ND A10 1 <br /> Dissolved Magnesium 270 mg/L 0.25 0.11 EPA-6010B ND A10 1 <br /> Dissolved Sodium 1200 mg/L 5.0 0.26 EPA-6010B ND A10 1 <br /> Dissolved Potassium 42 mg/L 5.0 0.50 EPA-6010B ND A10 1 <br /> Bicarbonate 2100 mg/L 10 10 EPA-310.1 ND A10 2 <br /> Carbonate ND mg/L 5.0 5.0 EPA-310.1 ND A10 2 <br /> Chloride 2400 mg/L 10 2.6 EPA-300.0 ND A10 3 <br /> Nitrate as N 0.27 mg/L 1.0 0.24 EPA-300.0 ND J,A10 4 <br /> Sulfate 91 mg/L 10 1.4 EPA-300.0 ND A10 4 <br /> Dissolved Cyanide 0.0073 mg/L 0.0050 0.0017 EPA-9010C ND 5 <br /> Dissolved Sulfide ND mg/L 0.10 0.050 SM-4500SD ND 6 <br /> Run QC <br /> DCN Method Prep Date Date/Time Analyst Instrument Dilution Batch ID Prep Method <br /> 1 EPA-6010B 02/11/26 07:55 02/11/26 12:28 JRG ICP6 5 B227026 6010B/No Digestion <br /> 2 EPA-310.1 02/13/26 08:09 02/13/26 13:48 JMH2 MET-1 2 B227197 No Prep <br /> 3 EPA-300.0 02/10/26 09:00 02/10/26 22:58 CAE IC2 20 B226946 No Prep <br /> 4 EPA-300.0 02/10/26 09:00 02/10/26 20:13 PRE IC2 10 B226946 No Prep <br /> 5 EPA-9010C 02/19/26 09:32 02/19/26 19:04 RC1 KONE-1 1 B227519 EPA 9010 <br /> 6 SM-4500SD 02/10/26 09:40 02/10/26 09:40 JT3 SPEC06 1 B226974 SM 4500SD <br /> DCN=Data Continuation Number <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: 1001665034 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 88 of 147 <br />