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ce Analytical <br /> EN YIRCNMENTA!SCIENCES <br /> Ground Zero Analysis, Inc.-Modesto Reported: 07/23/2024 11:27 <br /> 1172 Kansas Avenue Project: Stallworth Auto-EDF <br /> Modesto,CA 95351 Project Number: 602N.California St.Stockton,CA <br /> Project Manager: Greg Stahl <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: B192596 <br /> Benzene B192596-BLK1 ND mg/kg 0.0050 0.00067 1 <br /> 1,2-Dibromoethane B192596-BLK1 ND mg/kg 0.0050 0.00082 1 <br /> 1,2-Dichloroethane B192596-BLK1 ND mg/kg 0.0050 0.00073 1 <br /> Ethylbenzene B192596-BLK1 ND mg/kg 0.0050 0.00069 1 <br /> Methyl t-butyl ether B192596-BLK1 ND mg/kg 0.0050 0.00056 1 <br /> Naphthalene B192596-BLK1 ND mg/kg 0.0050 0.00099 1 <br /> Toluene B192596-BLK1 ND mg/kg 0.0050 0.00069 1 <br /> Total Xylenes B192596-BLK1 ND mg/kg 0.010 0.0025 1 <br /> t-Amyl Methyl ether B192596-BLK1 ND mg/kg 0.0050 0.00050 1 <br /> t-Butyl alcohol B192596-BLK1 ND mg/kg 0.050 0.012 1 <br /> Diisopropyl ether B192596-BLK1 ND mg/kg 0.0050 0.00057 1 <br /> Ethyl t-butyl ether B192596-BLK1 ND mg/kg 0.0050 0.00050 1 <br /> p-&m-Xylenes B192596-BLK1 ND mg/kg 0.0050 0.0015 1 <br /> o-Xylene B192596-BLK1 ND mg/kg 0.0050 0.00093 1 <br /> 1,2-Dichloroethane-d4(Surrogate) B192596-BLK1 97.5 % 70-121 (LCL-UCL) 1 <br /> Toluene-d8(Surrogate) B192596-BLK1 104 % 81-117 (LCL-UCL) 1 <br /> 4-Bromofluorobenzene(Surrogate) B192596-BLK1 102 % 74-121 (LCL-UCL) 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: 1001524132 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 25 of 35 <br />