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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:12/30/2024 12:12 <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: B202917 <br />Benzene B202917-BS1 LCS 23.590 25.000 94.4 70 - 130ug/L 1 <br />Bromodichloromethane B202917-BS1 LCS 23.960 25.000 95.8 70 - 130ug/L 1 <br />Chlorobenzene B202917-BS1 LCS 23.980 25.000 95.9 70 - 130ug/L 1 <br />Chloroethane B202917-BS1 LCS 26.490 25.000 106 70 - 130ug/L 1 <br />1,4-Dichlorobenzene B202917-BS1 LCS 23.010 25.000 92.0 70 - 130ug/L 1 <br />1,1-Dichloroethane B202917-BS1 LCS 24.160 25.000 96.6 70 - 130ug/L 1 <br />1,1-Dichloroethene B202917-BS1 LCS 23.920 25.000 95.7 70 - 130ug/L 1 <br />Toluene B202917-BS1 LCS 23.730 25.000 94.9 70 - 130ug/L 1 <br />Trichloroethene B202917-BS1 LCS 23.160 25.000 92.6 70 - 130ug/L 1 <br />1,2-Dichloroethane-d4 (Surrogate)B202917-BS1 LCS 10.070 10.000 101 75 - 125ug/L 1 <br />Toluene-d8 (Surrogate)B202917-BS1 LCS 10.000 10.000 100 80 - 120ug/L 1 <br />4-Bromofluorobenzene (Surrogate)B202917-BS1 LCS 9.9200 10.000 99.2 80 - 120ug/L 1 <br />Run #QC Sample ID QC Type Method Prep Date <br />Run <br />Analyst Instrument DilutionDate Time <br /> 1 B202917-BS1 LCS EPA-8260B TDH MS-V20 112/13/24 12/14/24 03:38 <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 23 of 29Report ID: 1001560764