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Arcadis- SLO <br />4119 Broad Street Suite 210 <br />San Luis Obispo, CA 93401 <br />Project: <br />Project Number: <br />Project Manager: <br />Forward Landfill-COELT <br />30216409.01 4Q24 Austin Unit <br />Ari Terry <br />Reported:12/11/2024 16:35 <br />Quality Control Report - Laboratory Control Sample <br />Constituent <br />Control Limits <br />PercentPercentSpike <br />QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals <br />Water Analysis (General Chemistry) <br />Run # <br />Lab <br />QC Batch ID: B201638 <br />Chloride B201638-BS1 LCS 52.950 50.000 106 90 - 110mg/L 1 <br />Nitrate as N B201638-BS1 LCS 5.1500 5.0000 103 90 - 110mg/L 1 <br />Sulfate B201638-BS1 LCS 106.39 100.00 106 90 - 110mg/L 1 <br />QC Batch ID: B201652 <br />Chloride B201652-BS1 LCS 49.849 50.000 99.7 90 - 110mg/L 2 <br />Nitrate as N B201652-BS1 LCS 5.0624 5.0000 101 90 - 110mg/L 2 <br />Sulfate B201652-BS1 LCS 101.09 100.00 101 90 - 110mg/L 2 <br />QC Batch ID: B201667 <br />Chloride B201667-BS1 LCS 50.230 50.000 100 90 - 110mg/L 3 <br />Nitrate as N B201667-BS1 LCS 5.1016 5.0000 102 90 - 110mg/L 3 <br />Sulfate B201667-BS1 LCS 101.99 100.00 102 90 - 110mg/L 3 <br />QC Batch ID: B201668 <br />Chloride B201668-BS1 LCS 52.607 50.000 105 90 - 110mg/L 4 <br />Nitrate as N B201668-BS1 LCS 5.3759 5.0000 108 90 - 110mg/L 4 <br />Sulfate B201668-BS1 LCS 104.04 100.00 104 90 - 110mg/L 4 <br />QC Batch ID: B201844 <br />Total Dissolved Solids @ 180 C B201844-BS1 LCS 580.00 586.00 99.0 90 - 110mg/L 5 <br />QC Batch ID: B201845 <br />Total Dissolved Solids @ 180 C B201845-BS1 LCS 585.00 586.00 99.8 90 - 110mg/L 6 <br />QC Batch ID: B201846 <br />Total Dissolved Solids @ 180 C B201846-BS1 LCS 570.00 586.00 97.3 90 - 110mg/L 7 <br />QC Batch ID: B201875 <br />Dissolved Calcium B201875-BS1 LCS 10.778 10.000 108 80 - 120mg/L 8 <br />Dissolved Magnesium B201875-BS1 LCS 10.973 10.000 110 80 - 120mg/L 8 <br />Dissolved Sodium B201875-BS1 LCS 10.172 10.000 102 80 - 120mg/L 8 <br />Dissolved Potassium B201875-BS1 LCS 10.192 10.000 102 80 - 120mg/L 8 <br />QC Batch ID: B201876 <br />Dissolved Calcium B201876-BS1 LCS 10.844 10.000 108 80 - 120mg/L 9 <br />Dissolved Magnesium B201876-BS1 LCS 10.683 10.000 107 80 - 120mg/L 9 <br />Dissolved Sodium B201876-BS1 LCS 10.297 10.000 103 80 - 120mg/L 9 <br />Dissolved Potassium B201876-BS1 LCS 10.406 10.000 104 80 - 120mg/L 9 <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 />4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.pacelabs.com Page 161 of 170Report ID: 1001557016