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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/14/2026 11:46 <br /> 4119 Broad Street Suite 210 Project: Forward Landfill-COELT <br /> San Luis Obispo,CA 93401 Project Number: 30274343.01 1 Q26 Groundwater Monitoring Wells <br /> Project Manager: Dalia Rumani <br /> Metals Analysis <br /> Pace Sample ID: 2601898-16 Client Sample Name: 1Q26,AMW-2,AMW-2,2/5/2026 1:00:OOPM,Manuel/Del-Tech <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Qualls DCN <br /> Dissolved Aluminum ND ug/L 50 23 EPA-6010B ND 1 <br /> Dissolved Antimony ND ug/L 100 4.9 EPA-6010B ND 1 <br /> Dissolved Arsenic ND ug/L 50 9.2 EPA-6010B ND 1 <br /> Dissolved Barium 80 ug/L 10 3.5 EPA-6010B ND <br /> Dissolved Beryllium ND ug/L 10 0.50 EPA-6010B ND 1 <br /> Dissolved Cadmium ND ug/L 10 1.1 EPA-6010B ND <br /> Dissolved Chromium ND ug/L 10 1.0 EPA-6010B ND <br /> Dissolved Cobalt ND ug/L 50 1.1 EPA-6010B ND <br /> Dissolved Copper ND ug/L 10 1.0 EPA-6010B 1.0 <br /> Dissolved Iron ND ug/L 50 30 EPA-6010B ND 1 <br /> Dissolved Lead ND ug/L 50 3.5 EPA-6010B ND 1 <br /> Dissolved Manganese ND ug/L 10 4.0 EPA-6010B ND 1 <br /> Dissolved Mercury 0.030 ug/L 0.20 0.022 EPA-7470A ND J 2 <br /> Dissolved Molybdenum ND ug/L 50 1.4 EPA-6010B ND <br /> Dissolved Nickel ND ug/L 10 2.4 EPA-6010B ND <br /> Dissolved Selenium ND ug/L 100 15 EPA-6010B ND <br /> Dissolved Silver ND ug/L 10 1.2 EPA-6010B ND <br /> Dissolved Strontium 470 ug/L 10 1.0 EPA-6010B ND <br /> Dissolved Tin ND ug/L 50 7.2 EPA-6010B ND 1 <br /> Dissolved Thallium ND ug/L 100 10 EPA-6010B ND 1 <br /> Dissolved Vanadium 25 ug/L 10 2.2 EPA-6010B ND <br /> Dissolved Zinc ND ug/L 10 5.0 EPA-6010B ND <br /> Run QC <br /> DCN Method Prep Date Date/Time Analyst Instrument Dilution Batch ID Prep Method <br /> 1 EPA-6010B 02/09/26 12:21 02/09/26 20:54 JEH ICP6 1 B226888 EPA3005A <br /> 2 EPA-7470A 02/18/26 11:04 02/18/26 16:34 TMT CETAC4 1 B227448 EPA 7470A <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: 1001665835 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 87 of 116 <br />