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_; ce Analytical <br /> h ENVIRDNMENTAI SCIENCES <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 826013/5035) <br /> Quality Control Report- Method Blank Analysis <br /> Constituent QC Sample ID MB Result Units PQL MDL Lab Quals <br /> QC Batch ID: B143200 <br /> Benzene 8143200-BLK1 NO mg/kg 0.0050 0.00067 <br /> Bromobenzene 8143200-BLK1 NO mg/kg 0.0050 0.00087 <br /> Bromochloromethane B143200-BLK1 NO mg/kg 0.0050 0.00081 <br /> Bromodichloromethane B143200-BLK1 NO mg/kg 0.0050 0.00078 <br /> Bromoform 8143200-BLK1 NO mg/kg 0.0050 0.00070 <br /> Bromomethane B143200-BLK1 NO mg/kg 0.0050 0.0017 <br /> n-Butylbenzene 8143200-BLK1 NO mg/kg 0.0050 0.00076 <br /> secButylbenzene 8143200-BLK1 NO mg/kg 0.0050 0.00071 <br /> tert-Butylbenzene B143200-BLK1 NO mg/kg 0.0050 0.00085 <br /> Carbon tetrachloride 8143200-BLK1 NO mg/kg 0.0050 0.00078 <br /> Chlorobenzene 8143200-BLK1 NO mg/kg 0.0050 0.00077 <br /> Chloroethane 8143200-BLK1 NO mg/kg 0.0050 0.0011 <br /> Chloroform B143200-BLK1 NO mg/kg 0.0050 0.00090 <br /> Chloromethane B143200-BLK1 NO mg/kg 0.0050 0.0011 <br /> 2-Chlorotoluene 8143200-BLK1 NO mg/kg 0.0050 0.00087 <br /> 4-Chlorotoluene B143200-BLK1 NO mg/kg 0.0050 0.00070 <br /> Dibromochloromethane B143200-BLK1 NO mg/kg 0.0050 0.00080 <br /> 1,2-Dibromo-3-chloropropane 8143200-BLK1 NO mg/kg 0.0050 0.00096 <br /> 1,2-Dibromoethane B143200-BLK1 NO mg/kg 0.0050 0.00082 <br /> Dibromomethane B143200-BLK1 NO mg/kg 0.0050 0.0014 <br /> 1,2-Dichlorobenzene B143200-BLK1 NO mg/kg 0.0050 0.00079 <br /> 1,3-Dichlorobenzene 8143200-BLK1 NO mg/kg 0.0050 0.00073 <br /> 1,4-Dichlorobenzene 8143200-BLK1 NO mg/kg 0.0050 0.00073 <br /> Dichlorodifluoromethane 8143200-BLK1 NO mg/kg 0.0050 0.00079 <br /> 1,1-Dichloroethane 8143200-BLK1 NO mg/kg 0.0050 0.00064 <br /> 1,2-Dichloroethane 8143200-BLK1 NO mg/kg 0.0050 0.00073 <br /> 1,1-Dichloroethene 8143200-BLK1 ND mg/kg 0.0050 0.0011 <br /> cis-1,2-Dichloroethene 8143200-BLK1 NO mg/kg 0.0050 0.00054 <br /> trans-1,2-Dichloroethene B143200-BLK1 NO mg/kg 0.0050 0.0037 <br /> Total1,2-Dichloroethene 8143200-BLK1 NO mg/kg 0.010 0.0043 <br /> 1,2-Dichloropropane B143200-BLK1 NO mg/kg 0.0050 0.00080 <br /> 1,3-Dichloropropane B143200-BLK1 NO mg/kg 0.0050 0.00067 <br /> 2,2-Dichloropropane B143200-BLK1 NO mg/kg 0.0050 0.00067 <br /> 1,1-Dichloropropene 8143200-BLK1 NO mg/kg 0.0050 0.00067 <br /> The results in this report apply to the samples analyzed in accordance with the chain ojcustody document.This analytical reportmust be reproduced in its entirely. <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 /> ReportID: 1001323091 4100 Atlas Court Bakersfield,CA 93308 (661)327-4911 FAX(661)327-1918 www.pacelabs.com Page 15 of 23 <br />