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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/14/2026 9:09 <br /> 4119 Broad Street Suite 210 Project: Forward Landfill-COELT <br /> San Luis Obispo,CA 93401 Project Number: Forward Landfill <br /> Project Manager: Dalia Rumani <br /> Water Analysis (General Chemistry) <br /> Pace Sample ID: 2601809-01 Client Sample Name: 1Q25,AMW-14,AMW-14,2/4/2026 10:01:OOAM,Antonio Del-Tech <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Quals DCN <br /> Dissolved Calcium 51 mg/L 0.10 0.016 EPA-6010B ND 1 <br /> Dissolved Magnesium 23 mg/L 0.050 0.022 EPA-6010B ND 1 <br /> Dissolved Sodium 44 mg/L 1.0 0.051 EPA-6010B ND 1 <br /> Dissolved Potassium 3.9 mg/L 1.0 0.10 EPA-6010B ND 1 <br /> Bicarbonate 330 mg/L 5.0 5.0 EPA-310.1 ND 2 <br /> Carbonate ND mg/L 2.5 2.5 EPA-310.1 ND 2 <br /> Total Alkalinity as CaCO3 270 mg/L 4.1 4.1 EPA-310.1 ND 2 <br /> Chloride 29 mg/L 0.50 0.13 EPA-300.0 ND 3 <br /> Nitrate as NO3 5.9 mg/L 0.44 0.11 EPA-300.0 ND 3 <br /> Nitrate as N 1.3 mg/L 0.10 0.024 EPA-300.0 ND 3 <br /> Sulfate 29 mg/L 1.0 0.14 EPA-300.0 0.24 3 <br /> Total Nitrogen 1.4 mg/L 0.35 0.12 Calc ND 4 <br /> Total Kjeldahl Nitrogen ND mg/L 0.20 0.088 EPA-351.2 ND 5 <br /> Nitrite as NO2 ND mg/L 0.20 0.016 EPA-300.0 ND 3 <br /> Run QC <br /> DCN Method Prep Date Date/Time Analyst Instrument Dilution Batch ID Prep Method <br /> 1 EPA-601013 02/06/26 10:13 02/09/26 20:14 JEH ICP6 1 B226810 601OB/No Digestion <br /> 2 EPA-310.1 02/10/26 08:48 02/10/26 12:55 JMH2 MET-1 1 B226938 No Prep <br /> 3 EPA-300.0 02/05/26 09:34 02/05/26 12:49 EEC IC9 1 B226723 No Prep <br /> 4 Calc 02/05/26 01:12 02/18/26 16:13 AMM Calc 1 B226686 Calc <br /> 5 EPA-351.2 02/17/26 09:30 02/18/26 12:53 JMH2 SC-2 1 B227424 EPA 351.2 <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: 1001665792 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 15 of 95 <br />