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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 />Drew Feucht <br />Reported:12/03/2024 18:03 <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: B201539 <br />Chloride B201539-BS1 LCS 50.099 50.000 100 90 - 110mg/L 1 <br />Nitrate as NO3 B201539-BS1 LCS 22.503 22.134 102 90 - 110mg/L 1 <br />Nitrate as N B201539-BS1 LCS 5.0834 5.0000 102 90 - 110mg/L 1 <br />Sulfate B201539-BS1 LCS 104.97 100.00 105 90 - 110mg/L 1 <br />Nitrite as NO2 B201539-BS1 LCS 3.0575 3.2850 93.1 90 - 110mg/L 1 <br />QC Batch ID: B201580 <br />Dissolved Calcium B201580-BS1 LCS 9.8701 10.204 96.7 80 - 120mg/L 2 <br />Dissolved Magnesium B201580-BS1 LCS 10.826 10.204 106 80 - 120mg/L 2 <br />Dissolved Sodium B201580-BS1 LCS 10.152 10.204 99.5 80 - 120mg/L 2 <br />Dissolved Potassium B201580-BS1 LCS 9.9665 10.204 97.7 80 - 120mg/L 2 <br />QC Batch ID: B201716 <br />Dissolved Sulfide B201716-BS1 LCS 0.50478 0.50000 101 90 - 110mg/L 3 <br />LCSDB201716-BSD1 0.49646 0.50000 99.3 1.7 90 - 110 200mg/L 4 <br />QC Batch ID: B201717 <br />Dissolved Sulfide B201717-BS1 LCS 0.51101 0.50000 102 90 - 110mg/L 5 <br />LCSDB201717-BSD1 0.51725 0.50000 103 1.2 90 - 110 200mg/L 6 <br />QC Batch ID: B201748 <br />Total Dissolved Solids @ 180 C B201748-BS1 LCS 625.00 586.00 107 90 - 110mg/L 7 <br />QC Batch ID: B201771 <br />Total Kjeldahl Nitrogen B201771-BS1 LCS 2.1257 2.0000 106 90 - 110mg/L 8 <br />QC Batch ID: B201786 <br />Dissolved Cyanide B201786-BS1 LCS 0.15526 0.15000 104 90 - 110mg/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 73 of 85Report ID: 1001554796