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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 04/13/2026 19:39 <br /> 4119 Broad Street Suite 210 Project: Forward Landfill-Air Samples <br /> San Luis Obispo,CA 93401 Project Number: 30274343.01 1 Q26 Soil Vapor <br /> Project Manager: Dalia Rumani <br /> Volatile Organic Compounds by GC/MS (EPA Method TO-15) <br /> Pace Sample ID: 2604216-01 Client Sample Name: Forward Landfill,D93A,D93A,3/20/2026 3:30:OOPM,Antonio Del-Tech <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Quals DCN <br /> 1,3,5-Trimethylbenzene 450 ug/m3 94 39 EPA-TO-15 ND A01 1 <br /> Air <br /> Vinyl acetate ND ug/m3 Air 68 15 EPA-TO-15 ND A01 <br /> Vinyl chloride 640 ug/m3 49 7.8 EPA-TO-15 ND A01 1 <br /> Air <br /> p-&m-Xylenes 6100 ug/m3 170 37 EPA-TO-15 ND A01 1 <br /> Air <br /> o-Xylene 1700 ug/m3 83 23 EPA-TO-15 ND A01 1 <br /> Air <br /> Total Xylenes 7800 ug/m3 250 62 EPA-TO-15 ND A01 1 <br /> Air <br /> 4-Bromofluorobenzene(Surrogate) 105 % 70-130 (LCL-UCL) EPA-TO-15 <br /> Run QC <br /> DCN Method Prep Date Date/Time Analyst Instrument Dilution Batch ID Prep Method <br /> 1 EPA-TO-15 04/02/26 09:26 04/02/26 20:32 BEP MS-Al 95.900 B229888 EPATO-15 <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: 1001665764 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 8 of 19 <br />