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C <br /> ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> Arcadis-SLO Reported: 02/13/2026 16:34 <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 /> DHS Low Level 1,2,3-TCP by SRL 524M <br /> Quality Control Report - Precision & Accuracy <br /> Control Limits <br /> Source Source Spike Percent Percent Lab <br /> Constituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Quals R# <br /> QC Batch ID: B226346 Used client sample: N <br /> 1,2,3-Trichloropropane DUP 2601376-03 0.022610 0.022220 ug/L 1.7 200 1 <br /> MS 2601376-03 0.022610 0.074090 0.050000 ug/L 103 70-130 2 <br /> MSD 2601376-03 0.022610 0.068920 0.050000 ug/L 7.2 92.6 30 70-130 3 <br /> QC Batch ID: B226347 Used client sample: N <br /> 1,2,3-Trichloropropane DUP 2601376-04 0.0090000 0.010800 ug/L 18.2 200 4 <br /> MS 2601376-04 0.0090000 0.065110 0.050000 ug/L 112 70-130 5 <br /> MSD 2601376-04 0.0090000 0.060390 0.050000 ug/L 7.5 103 30 70-130 6 <br /> QC Batch ID: B226348 Used client sample: N <br /> 1,2,3-Trichloropropane DUP 2601382-01 ND ND ug/L 200 7 <br /> MS 2601382-01 ND 0.048810 0.050000 ug/L 97.6 70-130 8 <br /> MSD 2601382-01 ND 0.050090 0.050000 ug/L 2.6 100 30 70-130 9 <br /> Run <br /> Run# QC Sample ID QC Type Method Prep Date Date Time Analyst Instrument Dilution <br /> 1 B226346-DUP1 DUP SRL 524M 01/29/26 01/29/26 09:56 RCC MS-V16 1 <br /> 2 B226346-MS1 MS SRL 524M 01/29/26 01/29/26 10:51 RCC MS-V16 1 <br /> 3 B226346-MSD1 MSD SRL 524M 01/29/26 01/29/26 11:18 RCC MS-V16 1 <br /> 4 B226347-DUP1 DUP SRL 524M 01/29/26 01/29/26 15:52 RCC MS-V16 1 <br /> 5 B226347-MS1 MS SRL 524M 01/29/26 01/29/26 16:47 RCC MS-V16 1 <br /> 6 B226347-MSD1 MSD SRL 524M 01/29/26 01/29/26 17:15 RCC MS-V16 1 <br /> 7 B226348-DUP1 DUP SRL 524M 01/29/26 01/29/26 21:49 RCC MS-V16 1 <br /> 8 B226348-MS1 MS SRL 524M 01/29/26 01/29/26 22:44 RCC MS-V16 1 <br /> 9 B226348-MSD1 MSD SRL 524M 01/29/26 01/29/26 23:11 RCC MS-V16 1 <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: 1001653944 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 82 of 98 <br />