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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 <br />Ari Terry <br />Reported:12/11/2024 16:47 <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: B200238 Used client sample: N <br />Bicarbonate DUP 809.86 1.5 10797.622419032-01 mg/L 1 <br />Carbonate DUP ND 10ND2419032-01 mg/L 1 <br />QC Batch ID: B200239 Used client sample: Y - Description: MW-26, 11/26/2024 12:14 <br />Bicarbonate DUP 183.82 4.4 10175.842419068-05 mg/L 2 <br />Carbonate DUP ND 10ND2419068-05 mg/L 2 <br />QC Batch ID: B201870 Used client sample: Y - Description: MW-25, 11/26/2024 11:41 <br />Chloride DUP 4.4440 0.6 104.47102419068-04 mg/L 3 <br />MS 57.304 80 - 1204.4710 50.505 1052419068-04 mg/L 4 <br />MSD 57.988 1.2 10 80 - 1204.4710 50.505 1062419068-04 mg/L 5 <br />Nitrate as N DUP 0.61900 0.3 100.617002419068-04 mg/L 3 <br />MS 5.8889 80 - 1200.61700 5.0505 1042419068-04 mg/L 4 <br />MSD 5.9667 1.3 10 80 - 1200.61700 5.0505 1062419068-04 mg/L 5 <br />Sulfate DUP 12.261 0.2 1012.2822419068-04 mg/L 3 <br />MS 118.89 80 - 12012.282 101.01 1062419068-04 mg/L 4 <br />MSD 120.11 1.0 10 80 - 12012.282 101.01 1072419068-04 mg/L 5 <br />QC Batch ID: B201928 Used client sample: Y - Description: MW-2A, 11/26/2024 08:53 <br />Dissolved Calcium DUP 104.14 1.4 20102.642419068-01 mg/L 6 <br />MS 115.36 75 - 125102.64 10.204 1252419068-01 mg/L 7 <br />MSD 114.23 1.0 20 75 - 125102.64 10.204 1142419068-01 mg/L 8 <br />Dissolved Magnesium DUP 54.946 1.3 2054.2312419068-01 mg/L 6 <br />MS 65.805 75 - 12554.231 10.204 1132419068-01 mg/L 7 <br />MSD 65.238 0.9 20 75 - 12554.231 10.204 1082419068-01 mg/L 8 <br />Dissolved Sodium DUP 76.217 0.9 2075.5122419068-01 mg/L 6 <br />MS 86.661 75 - 12575.512 10.204 1092419068-01 mg/L 7 <br />MSD 86.220 0.5 20 75 - 12575.512 10.204 1052419068-01 mg/L 8 <br />Dissolved Potassium DUP 7.0742 1.4 206.97692419068-01 mg/L 6 <br />MS 17.917 75 - 1256.9769 10.204 1072419068-01 mg/L 7 <br />MSD 17.897 0.1 20 75 - 1256.9769 10.204 1072419068-01 mg/L 8 <br />QC Batch ID: B202000 Used client sample: Y - Description: MW-13, 11/26/2024 10:13 <br />Total Dissolved Solids @ 180 C DUP 965.00 1.6 10950.002419068-02 mg/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 90 of 95Report ID: 1001557029