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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/13/2026 11:37 <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: 2601988-02 Client Sample Name: Forward LF,TS-2(FU-23),TS-2(FU-23),2/6/2026 1:55:OOPM,Antonio Del-Tech <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Quals DCN <br /> 1,1,2,2-Tetrachloroethane ND ug/L 5.0 1.7 EPA-8260B ND A10,Z1 1 <br /> Tetrachloroethene ND ug/L 5.0 1.3 EPA-8260B ND A10,Z1 1 <br /> Toluene 5.3 ug/L 5.0 0.93 EPA-8260B ND A10,Z1 <br /> 1,2,4-Trichlorobenzene ND ug/L 5.0 1.9 EPA-8260B ND A10,Z1 1 <br /> 1,1,1-Trichloroethane ND ug/L 5.0 1.1 EPA-8260B ND A10,Z1 <br /> 1,1,2-Trichloroethane ND ug/L 5.0 1.6 EPA-8260B ND A10,Z1 <br /> Trichloroethene ND ug/L 5.0 0.85 EPA-8260B ND A10,Z1 <br /> Trichlorofluoromethane ND ug/L 5.0 1.3 EPA-8260B ND A10,Z1 <br /> 1,2,3-Tdchloropropane ND ug/L 10 2.4 EPA-8260B ND A10,Z1 <br /> Vinyl chloride ND ug/L 5.0 1.2 EPA-8260B ND A10,Z1 1 <br /> Total Xylenes ND ug/L 10 3.6 EPA-8260B ND A10,Z1 <br /> Acetone ND ug/L 100 46 EPA-8260B ND A10,Z1 <br /> Acrylonitrile ND ug/L 50 12 EPA-8260B ND A10,Z1 <br /> t-Amyl Methyl ether ND ug/L 5.0 2.5 EPA-8260B ND A10,Z1 <br /> t-Butyl alcohol 1900 ug/L 100 94 EPA-8260B ND A10,Z1 <br /> Carbon disulfide ND ug/L 10 3.8 EPA-8260B ND A10,Z1 <br /> trans-1,4-Dichloro-2-butene ND ug/L 50 14 EPA-8260B ND A10,Z1 <br /> Diisopropyl ether ND ug/L 5.0 2.3 EPA-8260B ND A10,Z1 1 <br /> Ethanol ND ug/L 2500 500 EPA-8260B ND A10,Z1 1 <br /> Ethyl t-butyl ether ND ug/L 5.0 1.8 EPA-8260B ND A10,Z1 <br /> 2-Hexanone ND ug/L 100 34 EPA-8260B ND A10,Z1 <br /> Methyl ethyl ketone ND ug/L 100 25 EPA-8260B ND A10,Z1 <br /> Methyl iodide ND ug/L 20 4.7 EPA-8260B ND A10,Z1 <br /> Methyl isobutyl ketone ND ug/L 100 21 EPA-8260B ND A10,Z1 <br /> Vinyl acetate ND ug/L 100 18 EPA-8260B ND A10,Z1 <br /> 1,2-Dichloroethane-d4(Surrogate) 122 % 75-125 (LCL-UCL) EPA-8260B 1 <br /> Toluene-d8(Surrogate) 102 % 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 05:00 02/18/26 15:16 RCC MS-V15 10 B227341 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: 1001665326 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 13 of 44 <br />