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Arcadis- SLO <br />4119 Broad Street Suite 210 <br />San Luis Obispo, CA 93401 <br />Project: <br />Project Number: <br />Project Manager: <br />Forward LF- Domestic Residential Sampling <br />[none] <br /> Zina Kamal <br />Reported:09/25/2023 11:59 <br />Quality Control Report - Method Blank Analysis <br />Constituent QC Sample ID MB Result Units Lab Quals <br />Volatile Organic Analysis (EPA Method 8260B) <br />Run #MDLPQL <br />QC Batch ID: B174443 <br />Benzene B174443-BLK1 0.50NDug/L 0.083 1 <br />Bromochloromethane B174443-BLK1 0.50NDug/L 0.24 1 <br />Bromodichloromethane B174443-BLK1 0.50NDug/L 0.14 1 <br />Bromoform B174443-BLK1 0.50NDug/L 0.27 1 <br />Bromomethane B174443-BLK1 1.0NDug/L 0.25 1 <br />Carbon tetrachloride B174443-BLK1 0.50NDug/L 0.18 1 <br />Chlorobenzene B174443-BLK1 0.50NDug/L 0.093 1 <br />Chloroethane B174443-BLK1 0.50NDug/L 0.14 1 <br />Chloroform B174443-BLK1 0.50NDug/L 0.12 1 <br />Chloromethane B174443-BLK1 0.50NDug/L 0.14 1 <br />Dibromochloromethane B174443-BLK1 0.50NDug/L 0.13 1 <br />1,2-Dibromo-3-chloropropane B174443-BLK1 1.0NDug/L 0.44 1 <br />1,2-Dibromoethane B174443-BLK1 0.50NDug/L 0.16 1 <br />Dibromomethane B174443-BLK1 0.50NDug/L 0.24 1 <br />1,2-Dichlorobenzene B174443-BLK1 0.50NDug/L 0.072 1 <br />1,3-Dichlorobenzene B174443-BLK1 0.50NDug/L 0.15 1 <br />1,4-Dichlorobenzene B174443-BLK1 0.50NDug/L 0.062 1 <br />Dichlorodifluoromethane B174443-BLK1 0.50NDug/L 0.099 1 <br />1,1-Dichloroethane B174443-BLK1 0.50NDug/L 0.11 1 <br />1,2-Dichloroethane B174443-BLK1 0.50NDug/L 0.17 1 <br />1,1-Dichloroethene B174443-BLK1 0.50NDug/L 0.18 1 <br />cis-1,2-Dichloroethene B174443-BLK1 0.50NDug/L 0.085 1 <br />trans-1,2-Dichloroethene B174443-BLK1 0.50NDug/L 0.15 1 <br />1,2-Dichloropropane B174443-BLK1 0.50NDug/L 0.13 1 <br />cis-1,3-Dichloropropene B174443-BLK1 0.50NDug/L 0.14 1 <br />trans-1,3-Dichloropropene B174443-BLK1 0.50NDug/L 0.079 1 <br />Ethylbenzene B174443-BLK1 0.50NDug/L 0.098 1 <br />Hexachlorobutadiene B174443-BLK1 0.50NDug/L 0.17 1 <br />Methylene chloride B174443-BLK1 1.0NDug/L 0.48 1 <br />Methyl t-butyl ether B174443-BLK1 0.50NDug/L 0.11 1 <br />Naphthalene B174443-BLK1 0.50NDug/L 0.36 1 <br />Styrene B174443-BLK1 0.50NDug/L 0.068 1 <br />1,1,1,2-Tetrachloroethane B174443-BLK1 0.50NDug/L 0.18 1 <br />1,1,2,2-Tetrachloroethane B174443-BLK1 0.50NDug/L 0.17 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 />4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.pacelabs.com Page 8 of 12Report ID: 1001457974