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�B�4rltrC�! <br />ENYIRCNMENTA! BCIEHCEB <br />Arcadis- SLO Reported: 03/09/2023 15:18 <br />735 Tank Farm Rd, Suite 150 Project: Forward Landfill <br />San Luis Obispo, CA 93401 Project Number: 30110749.01 <br />Project Manager: Drew Feucht <br />Water Analysis (General Chemistry) <br />Quality Control Report - Laboratory Control Sample <br />Control Limits <br />Spike Percent Percent Lab <br />Constituent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals Run # <br />QC Batch ID: B159392 <br />Chloride <br />B159392-BS1 <br />LCS <br />51.467 <br />50.000 mg/L <br />103 <br />90-110 <br />1 <br />Nitrate as N <br />8159392-BS1 <br />LCS <br />5.1290 <br />5.0000 mg/L <br />103 <br />90-110 <br />1 <br />Sulfate <br />8159392-BS1 <br />LCS <br />104.05 <br />100.00 mg/L <br />104 <br />90-110 <br />1 <br />QC Batch ID: B159460 <br />Dissolved Calcium <br />B159460-BS1 <br />LCS <br />11.324 <br />10.000 mg/L <br />113 <br />80-120 <br />2 <br />Dissolved Magnesium <br />B159460-BS1 <br />LCS <br />10.037 <br />10.000 mg/L <br />100 <br />80-120 <br />2 <br />Dissolved Sodium <br />B159460-BS1 <br />LCS <br />10.638 <br />10.000 mg/L <br />106 <br />80-120 <br />2 <br />Dissolved Potassium <br />B159460-BS1 <br />LCS <br />10.465 <br />10.000 mg/L <br />105 <br />80-120 <br />2 <br />QC Batch ID: B159530 <br />Total Dissolved Solids @ 180 C <br />B159530-BS1 <br />LCS <br />615.00 <br />586.00 mg/L <br />105 <br />90-110 <br />3 <br />QC Batch ID: B161204 <br />Dissolved Calcium <br />B161204-BS1 <br />LCS <br />9.8370 <br />10.000 mg/L <br />98.4 <br />80-120 <br />4 <br />Dissolved Magnesium <br />B161204-BS1 <br />LCS <br />9.8947 <br />10.000 mg/L <br />98.9 <br />80-120 <br />4 <br />Dissolved Sodium <br />B161204-BS1 <br />LCS <br />9.7649 <br />10.000 mg/L <br />97.6 <br />80-120 <br />4 <br />Dissolved Potassium <br />B161204-BS1 <br />LCS <br />9.2331 <br />10.000 mg/L <br />92.3 <br />80-120 <br />4 <br />Run # QC Sample ID <br />QC Type Method <br />Prep Date <br />Run <br />Date Time <br />Analyst <br />Instrument Dilution <br />1 B159392-BS1 <br />LCS EPA -300.0 <br />02/07/23 <br />02/07/23 09:58 <br />SAV <br />IC1 <br />1 <br />2 B159460 -BSI <br />LCS EPA -6010B <br />02/07/23 <br />02/07/23 23:08 <br />DVS <br />PE-OP3 <br />1 <br />3 B159530-BS1 <br />LCS EPA -160.1 <br />02/08/23 <br />02/08/2313:00 <br />CAD <br />MANUAL <br />5 <br />4 B161204-BS1 <br />LCS EPA -6010B <br />03/03/23 <br />03/07/23 21:19 <br />DVS <br />PE-OP4 <br />1 <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: 1001404654 4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.pacelabs.com Page 41 of 44 <br />