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ENYIRCNMENTA! BCIEHCEB <br />Arcadis- SLO Reported: 02/07/2023 16:03 <br />735 Tank Farm Rd, Suite 150 Project: Forward Landfill <br />San Luis Obispo, CA 93401 Project Number: 30110749.01 <br />Project Manager: Drew Feucht <br />Volatile Organic Analysis (EPA Method 82606) <br />Quality Control Report - Laboratory Control Sample <br />Control Limits <br />Spike Percent Percent Lab <br />Constituent QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals Run # <br />QC Batch ID: B159157 <br />Benzene 8159157-BS1 LCS 21.930 25.000 ug/L 87.7 70-130 1 <br />Bromodichloromethane <br />8159157-BS1 <br />LCS <br />25.640 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />1 <br />Chlorobenzene <br />8159157-BS1 <br />LCS <br />22.760 <br />25.000 <br />ug/L <br />91.0 <br />70-130 <br />1 <br />Chloroethane <br />8159157-BS1 <br />LCS <br />31.920 <br />25.000 <br />ug/L <br />128 <br />70-130 <br />1 <br />1,4 -Dichlorobenzene <br />B159157-BS1 <br />LCS <br />24.230 <br />25.000 <br />ug/L <br />96.9 <br />70-130 <br />1 <br />1,1-Dichloroethane <br />B159157-BS1 <br />LCS <br />22.700 <br />25.000 <br />ug/L <br />90.8 <br />70-130 <br />1 <br />1,1-Dichloroethene <br />B159157-BS1 <br />LCS <br />25.770 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />1 <br />Toluene <br />B159157-BS1 <br />LCS <br />22.950 <br />25.000 <br />ug/L <br />91.8 <br />70-130 <br />1 <br />Trichloroethene <br />B159157-BS1 <br />LCS <br />23.130 <br />25.000 <br />ug/L <br />92.5 <br />70-130 <br />1 <br />1,2-Dichloroethane-d4 (Surrogate) <br />B159157-BS1 <br />LCS <br />11.660 <br />10.000 <br />ug/L <br />117 <br />75-125 <br />1 <br />Toluene -d8 (Surrogate) <br />8159157-BS1 <br />LCS <br />10.000 <br />10.000 <br />ug/L <br />100 <br />80-120 <br />1 <br />4-Bromofluorobenzene (Surrogate) <br />8159157-BS1 <br />LCS <br />11.150 <br />10.000 <br />ug/L <br />112 <br />80-120 <br />1 <br />QC Batch ID: B159158 <br />Benzene <br />8159158-BS1 <br />LCS <br />26.360 <br />25.000 <br />ug/L <br />105 <br />70-130 <br />2 <br />Bromodichloromethane <br />8159158-BS1 <br />LCS <br />26.360 <br />25.000 <br />ug/L <br />105 <br />70-130 <br />2 <br />Chlorobenzene <br />B159158-BS1 <br />LCS <br />24.950 <br />25.000 <br />ug/L <br />99.8 <br />70-130 <br />2 <br />Chloroethane <br />8159158-BS1 <br />LCS <br />29.970 <br />25.000 <br />ug/L <br />120 <br />70-130 <br />2 <br />1,4 -Dichlorobenzene <br />B159158-BS1 <br />LCS <br />26.480 <br />25.000 <br />ug/L <br />106 <br />70-130 <br />2 <br />1,1-Dichloroethane <br />B159158-BS1 <br />LCS <br />27.480 <br />25.000 <br />ug/L <br />110 <br />70-130 <br />2 <br />1,1-Dichloroethene <br />B159158-BS1 <br />LCS <br />29.800 <br />25.000 <br />ug/L <br />119 <br />70-130 <br />2 <br />Toluene <br />B159158-BS1 <br />LCS <br />25.870 <br />25.000 <br />ug/L <br />103 <br />70-130 <br />2 <br />Trichloroethene <br />B159158-BS1 <br />LCS <br />26.010 <br />25.000 <br />ug/L <br />104 <br />70-130 <br />2 <br />1,2-Dichloroethane-d4 (Surrogate) <br />B159158-BS1 <br />LCS <br />10.510 <br />10.000 <br />ug/L <br />105 <br />75-125 <br />2 <br />Toluene -d8 (Surrogate) <br />B159158-BS1 <br />LCS <br />10.180 <br />10.000 <br />ug/L <br />102 <br />80-120 <br />2 <br />4-Bromofluorobenzene (Surrogate) <br />8159158-BS1 <br />LCS <br />10.120 <br />10.000 <br />ug/L <br />101 <br />80-120 <br />2 <br />Run # QC Sample ID <br />QC Type Method <br />Prep Date <br />Run <br />Date Time <br />Analyst <br />Instrument Dilution <br />1 B159157-BS1 <br />LCS EPA -8260B <br />02/02/23 <br />02/03/2314:11 <br />TDH <br />MS -V15 1 <br />2 8159158-BS1 <br />LCS EPA -82608 <br />02/06/23 <br />02/06/2313:40 <br />TDH <br />MS -V15 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: 1001395793 4100 Atlas Court Bakersfield, CA 93308 (661) 327-4911 FAX (661) 327-1918 www.pacelabs.com Page 34 of 44 <br />