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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 />[none] <br />Ari Terry <br />Reported:12/18/2024 10:18 <br />Quality Control Report - Precision & Accuracy <br />Constituent Sample IDType Result Result Added Units RPD Recovery RPD Recovery Quals <br />Source Spike Percent Percent <br />Control Limits <br />Water Analysis (General Chemistry) <br />Source Lab <br />R# <br />QC Batch ID: B202290 Used client sample: N <br />Chloride DUP 73.423 1.3 1072.4692419547-02 mg/L 1 <br />MS 127.45 80 - 12072.469 50.505 1092419547-02 mg/L 2 <br />MSD 128.01 0.4 10 80 - 12072.469 50.505 1102419547-02 mg/L 3 <br />Nitrate as N DUP 7.0990 1.3 107.00702419547-02 mg/L 1 <br />MS 12.476 80 - 1207.0070 5.0505 1082419547-02 mg/L 2 <br />MSD 12.475 0.0 10 80 - 1207.0070 5.0505 1082419547-02 mg/L 3 <br />Sulfate DUP 3.6840 1.9 103.61402419547-02 mg/L 1 <br />MS 113.25 80 - 1203.6140 101.01 1092419547-02 mg/L 2 <br />MSD 113.31 0.1 10 80 - 1203.6140 101.01 1092419547-02 mg/L 3 <br />QC Batch ID: B202341 Used client sample: N <br />Bicarbonate DUP 379.89 1.9 10387.122419552-01 mg/L 4 <br />Carbonate DUP ND 10ND2419552-01 mg/L 4 <br />QC Batch ID: B202548 Used client sample: N <br />Dissolved Calcium DUP 9.5168 1.3 209.39552419523-06 mg/L 5 <br />MS 20.363 75 - 1259.3955 10.204 1072419523-06 mg/L 6 <br />MSD 20.372 0.0 20 75 - 1259.3955 10.204 1082419523-06 mg/L 7 <br />Dissolved Magnesium DUP 3.8835 0.9 203.91912419523-06 mg/L 5 <br />MS 14.714 75 - 1253.9191 10.204 1062419523-06 mg/L 6 <br />MSD 14.871 1.1 20 75 - 1253.9191 10.204 1072419523-06 mg/L 7 <br />Dissolved Sodium DUP 7.4500 0.0 207.44812419523-06 mg/L 5 <br />MS 17.900 75 - 1257.4481 10.204 1022419523-06 mg/L 6 <br />MSD 18.098 1.1 20 75 - 1257.4481 10.204 1042419523-06 mg/L 7 <br />Dissolved Potassium DUP 0.67590 0.5 200.67220 J2419523-06 mg/L 5 <br />MS 11.439 75 - 1250.67220 10.204 1062419523-06 mg/L 6 <br />MSD 11.494 0.5 20 75 - 1250.67220 10.204 1062419523-06 mg/L 7 <br />QC Batch ID: B202661 Used client sample: N <br />Total Dissolved Solids @ 180 C DUP 1085.0 0.5 101090.02419427-01 mg/L 8 <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 27 of 29Report ID: 1001558459