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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 />1Q24 FWD 30167676.01 <br />Drew Feucht <br />Reported:02/28/2024 10:12 <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: B183713 <br />Benzene B183713-BS1 LCS 29.340 25.000 117 70 - 130ug/L 1 <br />Bromodichloromethane B183713-BS1 LCS 25.740 25.000 103 70 - 130ug/L 1 <br />Chlorobenzene B183713-BS1 LCS 26.470 25.000 106 70 - 130ug/L 1 <br />Chloroethane B183713-BS1 LCS 30.080 25.000 120 70 - 130ug/L 1 <br />1,4-Dichlorobenzene B183713-BS1 LCS 30.470 25.000 122 70 - 130ug/L 1 <br />1,1-Dichloroethane B183713-BS1 LCS 27.710 25.000 111 70 - 130ug/L 1 <br />1,1-Dichloroethene B183713-BS1 LCS 28.130 25.000 113 70 - 130ug/L 1 <br />Toluene B183713-BS1 LCS 27.150 25.000 109 70 - 130ug/L 1 <br />Trichloroethene B183713-BS1 LCS 24.840 25.000 99.4 70 - 130ug/L 1 <br />1,2-Dichloroethane-d4 (Surrogate)B183713-BS1 LCS 11.810 10.000 118 75 - 125ug/L 1 <br />Toluene-d8 (Surrogate)B183713-BS1 LCS 10.440 10.000 104 80 - 120ug/L 1 <br />4-Bromofluorobenzene (Surrogate)B183713-BS1 LCS 10.560 10.000 106 80 - 120ug/L 1 <br />QC Batch ID: B183714 <br />Benzene B183714-BS1 LCS 24.910 25.000 99.6 70 - 130ug/L 2 <br />Bromodichloromethane B183714-BS1 LCS 24.860 25.000 99.4 70 - 130ug/L 2 <br />Chlorobenzene B183714-BS1 LCS 25.020 25.000 100 70 - 130ug/L 2 <br />Chloroethane B183714-BS1 LCS 30.130 25.000 121 70 - 130ug/L 2 <br />1,4-Dichlorobenzene B183714-BS1 LCS 27.100 25.000 108 70 - 130ug/L 2 <br />1,1-Dichloroethane B183714-BS1 LCS 23.840 25.000 95.4 70 - 130ug/L 2 <br />1,1-Dichloroethene B183714-BS1 LCS 24.370 25.000 97.5 70 - 130ug/L 2 <br />Toluene B183714-BS1 LCS 25.290 25.000 101 70 - 130ug/L 2 <br />Trichloroethene B183714-BS1 LCS 24.770 25.000 99.1 70 - 130ug/L 2 <br />1,2-Dichloroethane-d4 (Surrogate)B183714-BS1 LCS 10.780 10.000 108 75 - 125ug/L 2 <br />Toluene-d8 (Surrogate)B183714-BS1 LCS 10.330 10.000 103 80 - 120ug/L 2 <br />4-Bromofluorobenzene (Surrogate)B183714-BS1 LCS 11.230 10.000 112 80 - 120ug/L 2 <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 51 of 80Report ID: 1001492853