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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 /> Pace Sample ID: 2602031-18 Client Sample Name: Forward Lf,FU-06, FU-06,2/9/2026 1:50:OOPM, Manuel/Del-Tech <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Qualls DCN <br /> 1,1,2,2-Tetrachloroethane ND ug/L 2.5 0.85 EPA-8260B ND A10,Z1 1 <br /> Tetrachloroethene ND ug/L 2.5 0.65 EPA-8260B ND A10,Z1 1 <br /> Toluene ND ug/L 2.5 0.46 EPA-8260B ND A10,Z1 <br /> 1,2,4-Trichlorobenzene ND ug/L 2.5 0.95 EPA-8260B ND A10,Z1 <br /> 1,1,1-Trichloroethane ND ug/L 2.5 0.55 EPA-8260B ND A10,Z1 <br /> 1,1,2-Trichloroethane ND ug/L 2.5 0.80 EPA-8260B ND A10,Z1 <br /> Trichloroethene ND ug/L 2.5 0.42 EPA-8260B ND A10,Z1 <br /> Trichlorofluoromethane ND ug/L 2.5 0.65 EPA-8260B ND A10,Z1 <br /> 1,2,3-Tdchloropropane ND ug/L 5.0 1.2 EPA-8260B ND A10,Z1 <br /> Vinyl chloride ND ug/L 2.5 0.60 EPA-8260B ND A10,Z1 1 <br /> Total Xylenes ND ug/L 5.0 1.8 EPA-8260B ND A10,Z1 <br /> Acetone ND ug/L 50 23 EPA-8260B ND A10,Z1 <br /> Acrylonitrile ND ug/L 25 6.0 EPA-8260B ND A10,Z1 <br /> t-Amyl Methyl ether ND ug/L 2.5 1.2 EPA-8260B ND A10,Z1 <br /> t-Butyl alcohol 4500 ug/L 50 47 EPA-8260B ND A10,Z1 <br /> Carbon disulfide ND ug/L 5.0 1.9 EPA-8260B ND A10,Z1 <br /> trans-1,4-Dichloro-2-butene ND ug/L 25 7.0 EPA-8260B ND A10,Z1 <br /> Diisopropyl ether ND ug/L 2.5 1.2 EPA-8260B ND A10,Z1 1 <br /> Ethanol ND ug/L 1200 250 EPA-8260B ND A10,Z1 1 <br /> Ethyl t-butyl ether ND ug/L 2.5 0.90 EPA-8260B ND A10,Z1 <br /> 2-Hexanone ND ug/L 50 17 EPA-8260B ND A10,Z1 <br /> Methyl ethyl ketone ND ug/L 50 12 EPA-8260B ND A10,Z1 <br /> Methyl iodide ND ug/L 10 2.4 EPA-8260B ND A10,Z1 <br /> Methyl isobutyl ketone ND ug/L 50 10 EPA-8260B ND A10,Z1 <br /> Vinyl acetate ND ug/L 50 9.0 EPA-8260B ND A10,Z1 <br /> 1,2-Dichloroethane-d4(Surrogate) 120 % 75-125 (LCL-UCL) EPA-8260B 1 <br /> Toluene-d8(Surrogate) 95.6 % 80-120 (LCL-UCL) EPA-8260B 1 <br /> 4-Bromofluorobenzene(Surrogate) 102 % 80-120 (LCL-UCL) EPA-8260B 1 <br /> Run QC <br /> DCN Method Prep Date Date/Time Analyst Instrument Dilution Batch ID Prep Method <br /> 1 EPA-8260B 02/17/26 11:17 02/18/26 05:02 AGB MS-V21 5 B227365 EPA 5030 Water MS <br /> DCN=Data Continuation Number <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 97 of 147 <br />