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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 <br />1Q24 FWD 30167676.01 <br />Drew Feucht <br />Reported:02/28/2024 10:12 <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: B181145 Used client sample: Y - Description: MW-14, 02/01/2024 10:22 <br />Bicarbonate DUP 488.38 2.0 10478.862402016-01 mg/L 1 <br />Carbonate DUP ND 10ND2402016-01 mg/L 1 <br />QC Batch ID: B183269 Used client sample: N <br />Chloride DUP 216.91 1.8 10220.792402006-01 mg/L 2 <br />MS 316.67 80 - 120220.79 101.01 94.92402006-01 mg/L 3 <br />MSD 317.18 0.2 10 80 - 120220.79 101.01 95.42402006-01 mg/L 4 <br />Nitrate as N DUP ND 10ND2402006-01 mg/L 2 <br />MS 9.9778 80 - 120ND10.101 98.82402006-01 mg/L 3 <br />MSD 9.9879 0.1 10 80 - 120ND10.101 98.92402006-01 mg/L 4 <br />Sulfate DUP 132.83 0.9 10134.092402006-01 mg/L 2 <br />MS 343.67 80 - 120134.09 202.02 1042402006-01 mg/L 3 <br />MSD 344.03 0.1 10 80 - 120134.09 202.02 1042402006-01 mg/L 4 <br />QC Batch ID: B183411 Used client sample: N <br />Dissolved Sulfide DUP ND 10ND2401998-01 mg/L 5 <br />MS 0.51821 80 - 120ND0.50000 1042401998-01 mg/L 6 <br />MSD 0.51422 0.8 10 80 - 120ND0.50000 1032401998-01 mg/L 7 <br />QC Batch ID: B183488 Used client sample: N <br />Total Dissolved Solids @ 180 C DUP 1240.0 0.8 101250.02401990-01 mg/L 8 <br />QC Batch ID: B183489 Used client sample: Y - Description: MW-2A, 02/01/2024 12:55 <br />Total Dissolved Solids @ 180 C DUP 780.00 0.6 10785.002402016-03 mg/L 9 <br />QC Batch ID: B183659 Used client sample: Y - Description: F-leachate, 02/01/2024 13:52 <br />Dissolved Calcium DUP 137.40 1.5 20135.412402016-07 mg/L 10 <br />MS 185.46 75 - 125135.41 51.020 98.12402016-07 mg/L 11 <br />MSD 186.75 0.7 20 75 - 125135.41 51.020 1012402016-07 mg/L 12 <br />Dissolved Magnesium DUP 267.41 1.0 20270.132402016-07 mg/L 10 <br />MS 322.61 75 - 125270.13 51.020 1032402016-07 mg/L 11 <br />MSD 326.92 1.3 20 75 - 125270.13 51.020 1112402016-07 mg/L 12 <br />Dissolved Sodium DUP 1285.0 3.4 201242.52402016-07 mg/L 10 <br />MS 1280.7 75 - 1251242.5 51.020 74.92402016-07 mg/L 11 <br />MSD 1300.6 1.5 20 75 - 1251242.5 51.020 1142402016-07 mg/L 12 <br />Dissolved Potassium DUP 100.68 4.3 2096.4072402016-07 mg/L 10 <br />MS 146.75 75 - 12596.407 51.020 98.72402016-07 mg/L 11 <br />MSD 148.12 0.9 20 75 - 12596.407 51.020 1012402016-07 mg/L 12 <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 59 of 80Report ID: 1001492853