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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 />4Q23 Forward Unit <br />Drew Feucht <br />Reported:12/14/2023 18:58 <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: B178816 <br />Benzene B178816-BS1 LCS 26.390 25.000 106 70 - 130ug/L 1 <br />Bromodichloromethane B178816-BS1 LCS 25.730 25.000 103 70 - 130ug/L 1 <br />Chlorobenzene B178816-BS1 LCS 26.100 25.000 104 70 - 130ug/L 1 <br />Chloroethane B178816-BS1 LCS 27.070 25.000 108 70 - 130ug/L 1 <br />1,4-Dichlorobenzene B178816-BS1 LCS 27.630 25.000 111 70 - 130ug/L 1 <br />1,1-Dichloroethane B178816-BS1 LCS 25.680 25.000 103 70 - 130ug/L 1 <br />1,1-Dichloroethene B178816-BS1 LCS 28.890 25.000 116 70 - 130ug/L 1 <br />Toluene B178816-BS1 LCS 24.970 25.000 99.9 70 - 130ug/L 1 <br />Trichloroethene B178816-BS1 LCS 25.490 25.000 102 70 - 130ug/L 1 <br />1,2-Dichloroethane-d4 (Surrogate)B178816-BS1 LCS 10.490 10.000 105 75 - 125ug/L 1 <br />Toluene-d8 (Surrogate)B178816-BS1 LCS 10.250 10.000 102 80 - 120ug/L 1 <br />4-Bromofluorobenzene (Surrogate)B178816-BS1 LCS 10.360 10.000 104 80 - 120ug/L 1 <br />Run #QC Sample ID QC Type Method Prep Date <br />Run <br />Analyst Instrument DilutionDate Time <br /> 1 B178816-BS1 LCS EPA-8260B RCC MSV-21 111/21/23 11/21/23 19:13 <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 14 of 36Report ID: 1001476303