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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/10/2026 15:35 <br /> 4119 Broad Street Suite 210 Project: Forward Landfill-COELT <br /> San Luis Obispo,CA 93401 Project Number: 30274343.01 <br /> Project Manager: Dalia Rumani <br /> Volatile Organic Analysis (EPA Method 826013) <br /> Quality Control Report - Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals Run# <br /> QC Batch ID: B227365 <br /> Trichloroethene B227365-BLK1 ND ug/L 0.50 0.085 2 <br /> Trichlorofluoromethane B227365-BLK1 ND ug/L 0.50 0.13 2 <br /> 1,2,3-Trichloropropane B227365-BLK1 ND ug/L 1.0 0.24 2 <br /> Vinyl chloride B227365-BLK1 ND ug/L 0.50 0.12 2 <br /> Total Xylenes B227365-BLK1 ND ug/L 1.0 0.36 2 <br /> Acetone B227365-BLK1 ND ug/L 10 4.6 2 <br /> Acrylonitrile B227365-BLK1 ND ug/L 5.0 1.2 2 <br /> t-Amyl Methyl ether B227365-BLK1 ND ug/L 0.50 0.25 2 <br /> t-Butyl alcohol B227365-BLK1 ND ug/L 10 9.4 2 <br /> Carbon disulfide B227365-BLK1 ND ug/L 1.0 0.38 2 <br /> trans-1,4-Dichloro-2-butene B227365-BLK1 ND ug/L 5.0 1.4 2 <br /> Diisopropyl ether B227365-BLK1 ND ug/L 0.50 0.23 2 <br /> Ethanol B227365-BLK1 ND ug/L 250 50 2 <br /> Ethyl t-butyl ether B227365-BLK1 ND ug/L 0.50 0.18 2 <br /> 2-Hexanone B227365-BLK1 ND ug/L 10 3.4 2 <br /> Methyl ethyl ketone B227365-BLK1 ND ug/L 10 2.5 2 <br /> Methyl iodide B227365-BLK1 ND ug/L 2.0 0.47 2 <br /> Methyl isobutyl ketone B227365-BLK1 ND ug/L 10 2.1 2 <br /> Vinyl acetate B227365-BLK1 ND ug/L 10 1.8 2 <br /> 1,2-Dichloroethane-d4(Surrogate) B227365-BLK1 108 % 75-125 (LCL-UCL) 2 <br /> Toluene-d8(Surrogate) B227365-BLK7 96.8 % 80-120 (LCL-UCL) 2 <br /> 4-Bromofluorobenzene(Surrogate) B227365-BLK7 97.5 % 80-120 (LCL-UCL) 2 <br /> QC Batch ID: B227436 <br /> Benzene B227436-BLK1 ND ug/L 0.50 0.083 3 <br /> Bromochloromethane B227436-BLK1 ND ug/L 0.50 0.24 3 <br /> Bromodichloromethane B227436-BLK1 ND ug/L 0.50 0.14 3 <br /> Bromoform B227436-BLK1 ND ug/L 0.50 0.27 3 <br /> Bromomethane B227436-BLK1 ND ug/L 1.0 0.25 3 <br /> Carbon tetrachloride B227436-BLK1 ND ug/L 0.50 0.18 3 <br /> Chlorobenzene B227436-BLK1 ND ug/L 0.50 0.093 3 <br /> Chloroethane B227436-BLK1 ND ug/L 0.50 0.14 3 <br /> Chloroform B227436-BLK1 ND ug/L 0.50 0.12 3 <br /> Chloromethane B227436-BLK1 ND ug/L 0.50 0.14 3 <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 /> Report ID: 1001665034 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 127 of 147 <br />