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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 />RGWTS <br />Drew Feucht <br />Reported:09/19/2023 15:46 <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: B174082 <br />Benzene B174082-BS1 LCS 26.230 25.000 105 70 - 130ug/L 1 <br />Bromodichloromethane B174082-BS1 LCS 25.780 25.000 103 70 - 130ug/L 1 <br />Chlorobenzene B174082-BS1 LCS 27.250 25.000 109 70 - 130ug/L 1 <br />Chloroethane B174082-BS1 LCS 24.080 25.000 96.3 70 - 130ug/L 1 <br />1,4-Dichlorobenzene B174082-BS1 LCS 27.340 25.000 109 70 - 130ug/L 1 <br />1,1-Dichloroethane B174082-BS1 LCS 25.050 25.000 100 70 - 130ug/L 1 <br />1,1-Dichloroethene B174082-BS1 LCS 27.150 25.000 109 70 - 130ug/L 1 <br />Toluene B174082-BS1 LCS 26.630 25.000 107 70 - 130ug/L 1 <br />Trichloroethene B174082-BS1 LCS 30.040 25.000 120 70 - 130ug/L 1 <br />1,2-Dichloroethane-d4 (Surrogate)B174082-BS1 LCS 9.1000 10.000 91.0 75 - 125ug/L 1 <br />Toluene-d8 (Surrogate)B174082-BS1 LCS 9.9700 10.000 99.7 80 - 120ug/L 1 <br />4-Bromofluorobenzene (Surrogate)B174082-BS1 LCS 10.480 10.000 105 80 - 120ug/L 1 <br />Run #QC Sample ID QC Type Method Prep Date <br />Run <br />Analyst Instrument DilutionDate Time <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <br /> 1 B174082-BS1 LCS EPA-8260B RCC MSV-21 109/15/23 09/16/23 08:45 <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 21 of 24Report ID: 1001457009