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ace Analytical <br /> ENVIRONMENTAL SCIENCES <br /> i <br /> Kleinfelder,Inc.-Rancho Cordova Reported: 07/06/2022 9:51 <br /> 2882 Prospect Park,Suite 200 Project: Tracy Costco UST Removal <br /> Rancho Cordova,CA 95670 Project Number: 20223491.001A <br /> Project Manager: Paolo Dizon <br /> Volatile Organic Analysis (EPA Method 82606/5035) <br /> BCL Sample ID: 2215185-01 Client Sample Name: P-6,6/30/2022 12:25:OOPM <br /> MB Lab <br /> Constituent Result Units PQL MDL Method Bias Quals DCN <br /> Ethyl t butyl ether ND mg/kg 0.0050 0.00050 EPA-8260B ND <br /> Total Purgeable Petroleum ND mg/kg 0.20 0.058 Luft-GC/MS ND <br /> Hydrocarbons <br /> 1,2-Dichloroethane-d4(Surrogate) 105 % 70-121 (LCL-UCL) EPA-8260B <br /> Toluene-d8(Surrogate) 99.3 % 81-117 (LCL-UCL) EPA-8260B <br /> 4-Bromofluorobenzene(Surrogate) 100 % 74-121 (LCL-UCL) EPA-82608 1 <br /> Run QC <br /> DCN Method Prep Date Date/Time Analyst Instrument Dilution Batch ID Prep Method <br /> 1 EPA-8260B 07/01/22 22:00 07/01/22 23:15 EAB MS-V17 0.929 B143200 EPA 5035 Soil MS <br /> DCN=Data Continuation Number <br /> The results m this report apply to the samples anuly�etl in accordance with the chain of cusiotfv document.l hi.s analytical report must be reproduced in its entirety. <br /> All results listed in this report are for the exclusive use of the submitting parry. Pace Analytical assumes no responsibility for report alteration,separation,detachment or third party interpretation. <br /> ReportID: 1001323091 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 9 of 23 <br />