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ENYIRCNMENTA! BCIEHCEB <br />Arcadis- SLO Reported: 03/20/2023 11:27 <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 - Precision & Accuracy <br />Control Limits <br />Source Source Spike Percent Percent Lab <br />Constituent Type Sample ID Result Result Added Units RPD Recovery RPD Recovery Quals R# <br />QC Batch ID: B159514 <br />Used client sample: <br />Y - <br />Description: <br />AMW-2, 02/07/2023 11:03 <br />Benzene <br />MS <br />2302768-01 <br />ND <br />21.570 <br />25.000 <br />ug/L <br />86.3 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />28.750 <br />25.000 <br />ug/L <br />28.5 <br />115 <br />20 <br />70-130 <br />002 <br />2 <br />Bromodichloromethane <br />MS <br />2302768-01 <br />ND <br />22.950 <br />25.000 <br />ug/L <br />91.8 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />31.470 <br />25.000 <br />ug/L <br />31.3 <br />126 <br />20 <br />70-130 <br />Q02 <br />2 <br />Chlorobenzene <br />MS <br />2302768-01 <br />ND <br />21.710 <br />25.000 <br />ug/L <br />86.8 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />27.550 <br />25.000 <br />ug/L <br />23.7 <br />110 <br />20 <br />70-130 <br />Q02 <br />2 <br />Chloroethane <br />MS <br />2302768-01 <br />ND <br />27.200 <br />25.000 <br />ug/L <br />109 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />35.710 <br />25.000 <br />ug/L <br />27.1 <br />143 <br />20 <br />70-130 <br />Q02,Q <br />2 <br />03 <br />1,4 -Dichlorobenzene <br />MS <br />2302768-01 <br />ND <br />23.910 <br />25.000 <br />ug/L <br />95.6 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />30.520 <br />25.000 <br />ug/L <br />24.3 <br />122 <br />20 <br />70-130 <br />Q02 <br />2 <br />1,1-Dichloroethane <br />MS <br />2302768-01 <br />ND <br />22.140 <br />25.000 <br />ug/L <br />88.6 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />29.720 <br />25.000 <br />ug/L <br />29.2 <br />119 <br />20 <br />70-130 <br />002 <br />2 <br />1,1-Dichloroethene <br />MS <br />2302768-01 <br />ND <br />24.590 <br />25.000 <br />ug/L <br />98.4 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />32.580 <br />25.000 <br />ug/L <br />28.0 <br />130 <br />20 <br />70-130 <br />Q02 <br />2 <br />Toluene <br />MS <br />2302768-01 <br />ND <br />21.950 <br />25.000 <br />ug/L <br />87.8 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />28.830 <br />25.000 <br />ug/L <br />27.1 <br />115 <br />20 <br />70-130 <br />Q02 <br />2 <br />Trichloroethene <br />MS <br />2302768-01 <br />ND <br />22.510 <br />25.000 <br />ug/L <br />90.0 <br />70-130 <br />1 <br />MSD <br />2302768-01 <br />ND <br />29.780 <br />25.000 <br />ug/L <br />27.8 <br />119 <br />20 <br />70-130 <br />Q02 <br />2 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />2302768-01 <br />ND <br />11.190 <br />10.000 <br />ug/L <br />112 <br />75-125 <br />1 <br />MSD <br />2302768-01 <br />ND <br />11.220 <br />10.000 <br />ug/L <br />0.3 <br />112 <br />75-125 <br />2 <br />Toluene -d8 (Surrogate) <br />MS <br />2302768-01 <br />ND <br />10.170 <br />10.000 <br />ug/L <br />102 <br />80-120 <br />1 <br />MSD <br />2302768-01 <br />ND <br />10.160 <br />10.000 <br />ug/L <br />0.1 <br />102 <br />80-120 <br />2 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />2302768-01 <br />ND <br />10.410 <br />10.000 <br />ug/L <br />104 <br />80-120 <br />1 <br />MSD <br />2302768-01 <br />ND <br />10.370 <br />10.000 <br />ug/L <br />0.4 <br />104 <br />80-120 <br />2 <br />QC Batch ID: B159827 <br />Used client sample: <br />N <br />Benzene <br />MS <br />2302933-01 <br />ND <br />22.300 <br />25.000 <br />ug/L <br />89.2 <br />70-130 <br />3 <br />MSD <br />2302933-01 <br />ND <br />23.130 <br />25.000 <br />ug/L <br />3.7 <br />92.5 <br />20 <br />70-130 <br />4 <br />Bromodichloromethane <br />MS <br />2302933-01 <br />ND <br />22.270 <br />25.000 <br />ug/L <br />89.1 <br />70-130 <br />3 <br />MSD <br />2302933-01 <br />ND <br />23.310 <br />25.000 <br />ug/L <br />4.6 <br />93.2 <br />20 <br />70-130 <br />4 <br />Chlorobenzene <br />MS <br />2302933-01 <br />ND <br />22.080 <br />25.000 <br />ug/L <br />88.3 <br />70-130 <br />3 <br />MSD <br />2302933-01 <br />ND <br />22.120 <br />25.000 <br />ug/L <br />0.2 <br />88.5 <br />20 <br />70-130 <br />4 <br />Chloroethane <br />MS <br />2302933-01 <br />ND <br />22.990 <br />25.000 <br />ug/L <br />92.0 <br />70-130 <br />3 <br />MSD <br />2302933-01 <br />ND <br />23.310 <br />25.000 <br />ug/L <br />1.4 <br />93.2 <br />20 <br />70-130 <br />4 <br />1,4 -Dichlorobenzene <br />MS <br />2302933-01 <br />ND <br />22.500 <br />25.000 <br />ug/L <br />90.0 <br />70-130 <br />3 <br />MSD <br />2302933-01 <br />ND <br />22.060 <br />25.000 <br />ug/L <br />2.0 <br />88.2 <br />20 <br />70-130 <br />4 <br />1,1-Dichloroethane <br />MS <br />2302933-01 <br />ND <br />22.590 <br />25.000 <br />ug/L <br />90.4 <br />70-130 <br />3 <br />MSD <br />2302933-01 <br />ND <br />23.550 <br />25.000 <br />ug/L <br />4.2 <br />94.2 <br />20 <br />70-130 <br />4 <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 <br />party. Pace Analytical assumes no responsibility for <br />report alteration, separation, <br />detachment <br />or third party interpretation. <br />Report ID: 1001407430 <br />4100 Atlas Court Bakersfield, CA <br />93308 (661) 327-4911 FAX (661) 327-1918 <br />www.pacelabs.com <br />Page 31 of 45 <br />