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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 />4Q24 Forward Unit <br />Ari Terry <br />Reported:12/19/2024 17:53 <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 />Volatile Organic Analysis (EPA Method 8260B) <br />Run # <br />Lab <br />QC Batch ID: B203002 <br />Benzene B203002-BS1 LCS 26.240 25.000 105 70 - 130ug/L 1 <br />Bromodichloromethane B203002-BS1 LCS 23.930 25.000 95.7 70 - 130ug/L 1 <br />Chlorobenzene B203002-BS1 LCS 23.030 25.000 92.1 70 - 130ug/L 1 <br />Chloroethane B203002-BS1 LCS 29.110 25.000 116 70 - 130ug/L 1 <br />1,4-Dichlorobenzene B203002-BS1 LCS 21.880 25.000 87.5 70 - 130ug/L 1 <br />1,1-Dichloroethane B203002-BS1 LCS 28.560 25.000 114 70 - 130ug/L 1 <br />1,1-Dichloroethene B203002-BS1 LCS 28.160 25.000 113 70 - 130ug/L 1 <br />Toluene B203002-BS1 LCS 22.590 25.000 90.4 70 - 130ug/L 1 <br />Trichloroethene B203002-BS1 LCS 23.610 25.000 94.4 70 - 130ug/L 1 <br />1,2-Dichloroethane-d4 (Surrogate)B203002-BS1 LCS 11.530 10.000 115 75 - 125ug/L 1 <br />Toluene-d8 (Surrogate)B203002-BS1 LCS 9.6500 10.000 96.5 80 - 120ug/L 1 <br />4-Bromofluorobenzene (Surrogate)B203002-BS1 LCS 9.9900 10.000 99.9 80 - 120ug/L 1 <br />Run #QC Sample ID QC Type Method Prep Date <br />Run <br />Analyst Instrument DilutionDate Time <br /> 1 B203002-BS1 LCS EPA-8260B MGC MS-V5 112/15/24 12/16/24 13:51 <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 30 of 36Report ID: 1001559087