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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 Forward Unit 30167676.01 <br />Ari Terry <br />Reported:02/12/2024 10:53 <br />Quality Control Report - Precision & Accuracy <br />Constituent Sample IDType Result Result Added Units RPD Recovery RPD Recovery Quals <br />Source Spike Percent Percent <br />Control Limits <br />Volatile Organic Analysis (EPA Method 8260B) <br />Source Lab <br />R# <br />QC Batch ID: B183638 Used client sample: N <br />MSBenzene 26.000 70 - 130ND25.000 1042401891-04 ug/L 1 <br />MSD 25.140 3.4 20 70 - 130ND25.000 1012401891-04 ug/L 2 <br />MSBromodichloromethane 24.930 70 - 130ND25.000 99.72401891-04 ug/L 1 <br />MSD 24.660 1.1 20 70 - 130ND25.000 98.62401891-04 ug/L 2 <br />MSChlorobenzene 26.310 70 - 130ND25.000 1052401891-04 ug/L 1 <br />MSD 23.580 10.9 20 70 - 130ND25.000 94.32401891-04 ug/L 2 <br />MSChloroethane 23.220 70 - 130ND25.000 92.92401891-04 ug/L 1 <br />MSD 22.600 2.7 20 70 - 130ND25.000 90.42401891-04 ug/L 2 <br />MS1,4-Dichlorobenzene 25.180 70 - 130ND25.000 1012401891-04 ug/L 1 <br />MSD 22.510 11.2 20 70 - 130ND25.000 90.02401891-04 ug/L 2 <br />MS1,1-Dichloroethane 26.480 70 - 130ND25.000 1062401891-04 ug/L 1 <br />MSD 25.090 5.4 20 70 - 130ND25.000 1002401891-04 ug/L 2 <br />MS1,1-Dichloroethene 26.490 70 - 130ND25.000 1062401891-04 ug/L 1 <br />MSD 26.050 1.7 20 70 - 130ND25.000 1042401891-04 ug/L 2 <br />MSToluene 24.150 70 - 130ND25.000 96.62401891-04 ug/L 1 <br />MSD 24.600 1.8 20 70 - 130ND25.000 98.42401891-04 ug/L 2 <br />MSTrichloroethene 24.310 70 - 130ND25.000 97.22401891-04 ug/L 1 <br />MSD 24.790 2.0 20 70 - 130ND25.000 99.22401891-04 ug/L 2 <br />MS1,2-Dichloroethane-d4 (Surrogate)9.9400 75 - 125ND10.000 99.42401891-04 ug/L 1 <br />MSD 10.310 3.7 75 - 125ND10.000 1032401891-04 ug/L 2 <br />MSToluene-d8 (Surrogate)10.190 80 - 120ND10.000 1022401891-04 ug/L 1 <br />MSD 10.230 0.4 80 - 120ND10.000 1022401891-04 ug/L 2 <br />MS4-Bromofluorobenzene (Surrogate)10.350 80 - 120ND10.000 1042401891-04 ug/L 1 <br />MSD 9.6000 7.5 80 - 120ND10.000 96.02401891-04 ug/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 41 of 50Report ID: 1001488845