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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 Landfill <br />2Q24 Forward Unit <br />Ari Terry <br />Reported:06/07/2024 7:11 <br />Quality Control Report - Laboratory Control Sample <br />Constituent <br />Control Limits <br />PercentPercentSpike <br />QC Sample ID Type Result Level Units Recovery RPD Recovery RPD Quals <br />Volatile Organic Analysis (EPA Method 8260B) <br />Run # <br />Lab <br />QC Batch ID: B190639 <br />Benzene B190639-BS1 LCS 23.670 25.000 94.7 70 - 130ug/L 1 <br />Bromodichloromethane B190639-BS1 LCS 26.290 25.000 105 70 - 130ug/L 1 <br />Chlorobenzene B190639-BS1 LCS 24.340 25.000 97.4 70 - 130ug/L 1 <br />Chloroethane B190639-BS1 LCS 25.140 25.000 101 70 - 130ug/L 1 <br />1,4-Dichlorobenzene B190639-BS1 LCS 24.910 25.000 99.6 70 - 130ug/L 1 <br />1,1-Dichloroethane B190639-BS1 LCS 24.430 25.000 97.7 70 - 130ug/L 1 <br />1,1-Dichloroethene B190639-BS1 LCS 23.880 25.000 95.5 70 - 130ug/L 1 <br />Toluene B190639-BS1 LCS 24.660 25.000 98.6 70 - 130ug/L 1 <br />Trichloroethene B190639-BS1 LCS 27.260 25.000 109 70 - 130ug/L 1 <br />1,2-Dichloroethane-d4 (Surrogate)B190639-BS1 LCS 10.200 10.000 102 75 - 125ug/L 1 <br />Toluene-d8 (Surrogate)B190639-BS1 LCS 10.110 10.000 101 80 - 120ug/L 1 <br />4-Bromofluorobenzene (Surrogate)B190639-BS1 LCS 9.9600 10.000 99.6 80 - 120ug/L 1 <br />Run #QC Sample ID QC Type Method Prep Date <br />Run <br />Analyst Instrument DilutionDate Time <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <br /> 1 B190639-BS1 LCS EPA-8260B MGC MS-V5 106/03/24 06/04/24 03:43 <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 62 of 79Report ID: 1001514872