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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 />Forward Landfill-GWTS <br />Drew Feucht <br />Reported:10/13/2023 8:06 <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 />Metals Analysis <br />Run # <br />Lab <br />QC Batch ID: B175215 <br />Dissolved Aluminum B175215-BS1 LCS 1044.7 1000.0 104 80 - 120ug/L 1 <br />Dissolved Antimony B175215-BS1 LCS 403.37 400.00 101 80 - 120ug/L 1 <br />Dissolved Arsenic B175215-BS1 LCS 202.08 200.00 101 80 - 120ug/L 1 <br />Dissolved Barium B175215-BS1 LCS 428.88 400.00 107 80 - 120ug/L 1 <br />Dissolved Beryllium B175215-BS1 LCS 219.46 200.00 110 80 - 120ug/L 1 <br />Dissolved Cadmium B175215-BS1 LCS 198.08 200.00 99.0 80 - 120ug/L 1 <br />Dissolved Chromium B175215-BS1 LCS 215.26 200.00 108 80 - 120ug/L 1 <br />Dissolved Cobalt B175215-BS1 LCS 212.21 200.00 106 80 - 120ug/L 1 <br />Dissolved Copper B175215-BS1 LCS 402.50 400.00 101 80 - 120ug/L 1 <br />Dissolved Iron B175215-BS1 LCS 1082.2 1000.0 108 80 - 120ug/L 1 <br />Dissolved Lead B175215-BS1 LCS 444.14 400.00 111 80 - 120ug/L 1 <br />Dissolved Manganese B175215-BS1 LCS 562.77 500.00 113 80 - 120ug/L 1 <br />Dissolved Nickel B175215-BS1 LCS 441.38 400.00 110 80 - 120ug/L 1 <br />Dissolved Silver B175215-BS1 LCS 99.783 100.00 99.8 80 - 120ug/L 1 <br />Dissolved Tin B175215-BS1 LCS 240.02 200.00 120 80 - 120ug/L 1 <br />Dissolved Thallium B175215-BS1 LCS 444.88 400.00 111 80 - 120ug/L 1 <br />Dissolved Vanadium B175215-BS1 LCS 211.86 200.00 106 80 - 120ug/L 1 <br />Dissolved Zinc B175215-BS1 LCS 550.09 500.00 110 80 - 120ug/L 1 <br />QC Batch ID: B175229 <br />Dissolved Mercury B175229-BS1 LCS 1.0150 1.0000 102 85 - 115ug/L 2 <br />QC Batch ID: B175463 <br />Dissolved Selenium B175463-BS1 LCS 95.752 100.00 95.8 85 - 115ug/L 3 <br />LCSDB175463-BSD1 97.722 100.00 97.7 2.0 85 - 115 20ug/L 4 <br />Run #QC Sample ID QC Type Method Prep Date <br />Run <br />Analyst Instrument DilutionDate Time <br /> 1 B175215-BS1 LCS EPA-6010B JRG PE-OP4 110/06/23 10/12/23 17:46 <br /> 2 B175229-BS1 LCS EPA-7470A MG2 CETAC4 110/04/23 10/04/23 12:58 <br /> 3 B175463-BS1 LCS EPA-200.8 ARD ICPMS6 110/05/23 10/05/23 12:41 <br /> 4 B175463-BSD1 LCSD EPA-200.8 ARD ICPMS6 110/05/23 10/05/23 12:44 <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 22 of 25Report ID: 1001462808