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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 - 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: B159157 <br />Used client sample: <br />N <br />Benzene <br />MS <br />2302157-01 <br />ND <br />24.270 <br />25.000 <br />ug/L <br />97.1 <br />70-130 <br />1 <br />MSD <br />2302157-01 <br />ND <br />24.130 <br />25.000 <br />ug/L <br />0.6 <br />96.5 <br />20 <br />70-130 <br />2 <br />Bromodichloromethane <br />MS <br />2302157-01 <br />ND <br />27.250 <br />25.000 <br />ug/L <br />109 <br />70-130 <br />1 <br />MSD <br />2302157-01 <br />ND <br />27.460 <br />25.000 <br />ug/L <br />0.8 <br />110 <br />20 <br />70-130 <br />2 <br />Chlorobenzene <br />MS <br />2302157-01 <br />ND <br />24.950 <br />25.000 <br />ug/L <br />99.8 <br />70-130 <br />1 <br />MSD <br />2302157-01 <br />ND <br />25.550 <br />25.000 <br />ug/L <br />2.4 <br />102 <br />20 <br />70-130 <br />2 <br />Chloroethane <br />MS <br />2302157-01 <br />ND <br />38.310 <br />25.000 <br />ug/L <br />153 <br />70-130 <br />Q03 1 <br />MSD <br />2302157-01 <br />ND <br />36.940 <br />25.000 <br />ug/L <br />3.6 <br />148 <br />20 <br />70-130 <br />Q03 2 <br />1,4 -Dichlorobenzene <br />MS <br />2302157-01 <br />ND <br />29.060 <br />25.000 <br />ug/L <br />116 <br />70-130 <br />1 <br />MSD <br />2302157-01 <br />ND <br />28.430 <br />25.000 <br />ug/L <br />2.2 <br />114 <br />20 <br />70-130 <br />2 <br />1,1-Dichloroethane <br />MS <br />2302157-01 <br />ND <br />24.790 <br />25.000 <br />ug/L <br />99.2 <br />70-130 <br />1 <br />MSD <br />2302157-01 <br />ND <br />24.530 <br />25.000 <br />ug/L <br />1.1 <br />98.1 <br />20 <br />70-130 <br />2 <br />1,1-Dichloroethene <br />MS <br />2302157-01 <br />ND <br />28.190 <br />25.000 <br />ug/L <br />113 <br />70-130 <br />1 <br />MSD <br />2302157-01 <br />ND <br />27.900 <br />25.000 <br />ug/L <br />1.0 <br />112 <br />20 <br />70-130 <br />2 <br />Toluene <br />MS <br />2302157-01 <br />ND <br />25.400 <br />25.000 <br />ug/L <br />102 <br />70-130 <br />1 <br />MSD <br />2302157-01 <br />ND <br />26.110 <br />25.000 <br />ug/L <br />2.8 <br />104 <br />20 <br />70-130 <br />2 <br />Trichloroethene <br />MS <br />2302157-01 <br />ND <br />25.550 <br />25.000 <br />ug/L <br />102 <br />70-130 <br />1 <br />MSD <br />2302157-01 <br />ND <br />26.580 <br />25.000 <br />ug/L <br />4.0 <br />106 <br />20 <br />70-130 <br />2 <br />1,2-Dichloroethane-d4 (Surrogate) <br />MS <br />2302157-01 <br />ND <br />11.640 <br />10.000 <br />ug/L <br />116 <br />75-125 <br />1 <br />MSD <br />2302157-01 <br />ND <br />10.830 <br />10.000 <br />ug/L <br />7.2 <br />108 <br />75-125 <br />2 <br />Toluene -d8 (Surrogate) <br />MS <br />2302157-01 <br />ND <br />10.060 <br />10.000 <br />ug/L <br />101 <br />80-120 <br />1 <br />MSD <br />2302157-01 <br />ND <br />10.020 <br />10.000 <br />ug/L <br />0.4 <br />100 <br />80-120 <br />2 <br />4-Bromofluorobenzene (Surrogate) <br />MS <br />2302157-01 <br />ND <br />10.950 <br />10.000 <br />ug/L <br />110 <br />80-120 <br />1 <br />MSD <br />2302157-01 <br />ND <br />10.720 <br />10.000 <br />ug/L <br />2.1 <br />107 <br />80-120 <br />2 <br />QC Batch ID: B159158 <br />Used client sample: N <br />Benzene <br />MS <br />2302095-01 <br />ND <br />20.180 <br />25.000 <br />ug/L <br />80.7 <br />70-130 <br />3 <br />MSD <br />2302095-01 <br />ND <br />23.230 <br />25.000 <br />ug/L <br />14.1 <br />92.9 <br />20 <br />70-130 <br />4 <br />Bromodichloromethane <br />MS <br />2302095-01 <br />ND <br />19.180 <br />25.000 <br />ug/L <br />76.7 <br />70-130 <br />3 <br />MSD <br />2302095-01 <br />ND <br />22.970 <br />25.000 <br />ug/L <br />18.0 <br />91.9 <br />20 <br />70-130 <br />4 <br />Chlorobenzene <br />MS <br />2302095-01 <br />0.34000 <br />19.260 <br />25.000 <br />ug/L <br />75.7 <br />70-130 <br />3 <br />MSD <br />2302095-01 <br />0.34000 <br />22.570 <br />25.000 <br />ug/L <br />15.8 <br />88.9 <br />20 <br />70-130 <br />4 <br />Chloroethane <br />MS <br />2302095-01 <br />ND <br />23.620 <br />25.000 <br />ug/L <br />94.5 <br />70-130 <br />3 <br />MSD <br />2302095-01 <br />ND <br />26.820 <br />25.000 <br />ug/L <br />12.7 <br />107 <br />20 <br />70-130 <br />4 <br />1,4 -Dichlorobenzene <br />MS <br />2302095-01 <br />ND <br />20.270 <br />25.000 <br />ug/L <br />81.1 <br />70-130 <br />3 <br />MSD <br />2302095-01 <br />ND <br />24.060 <br />25.000 <br />ug/L <br />17.1 <br />96.2 <br />20 <br />70-130 <br />4 <br />1,1-Dichloroethane <br />MS <br />2302095-01 <br />0.78000 <br />21.380 <br />25.000 <br />ug/L <br />82.4 <br />70-130 <br />3 <br />MSD <br />2302095-01 <br />0.78000 <br />24.570 <br />25.000 <br />ug/L <br />13.9 <br />95.2 <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 <br />Analytical assumes no responsibility for <br />report alteration, separation, <br />detachment <br />or third party interpretation. <br />Report ID: 1001395793 <br />4100 Atlas Court Bakersfield, <br />CA 93308 <br />(661) 327-4911 <br />FAX (661) 327-1918 <br />www.pacelabs.com <br />Page 35 of 44 <br />