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0 WORLD OIL. <br />World Oil Recycling <br />QA/QC Report <br />World Oil Recycling <br />2000 N. Alameda St. Compton, CA 90222 <br />SAMPLE ID: DRO 10741 <br />DATE ANALYZED: 1/6/2023 <br />METHOD: EPA 6010/7470A <br />MATRIX: LIQUID <br />UNITS: PART PER MILLION (PPM) <br />ANALYST: AM <br />Analyte M. Blank PQL SR SA MS %REC MSD %REC %RPD MS/MSD LIMITS RPD LCS,TV LCS,AC %REC LCS LIMITS <br />Pb <0.10 0.5 0.01 1.00 0.91 90 0.94 94 4 75-125 20 0.100 0.105 105 80-120 <br />Cu <0.10 0.5 0.02 1.00 0.96 94 1.00 98 3 75-125 20 0.100 0.104 104 80-120 <br />Zn <0.10 0.5 0.08 1.00 1.01 93 1.04 96 3 75-125 20 0.100 0.108 108 80-120 <br />TI <0.10 0.5 0.01 1.00 0.84 83 0.87 86 3 75-125 20 0.100 0.108 108 80-120 <br />As <0.10 0.5 0.01 1.00 0.95 94 0 .97 97 2 75-125 20 0.100 0.099 99 80-120 <br />Cr <0.10 0.5 0.01 1.00 0 .95 94 0.98 98 3 75-125 20 0.100 0.100 100 80-120 <br />Ni <0.10 0.5 0.00 1.00 0.91 91 0.94 94 3 75-125 20 0.100 0.111 111 80-120 <br />Cd <0.10 0.5 0.00 1.00 0.92 92 0.96 96 4 75-125 20 0.100 0.109 109 80-120 <br />Ag <0.10 0.5 0.01 1.00 0.91 91 0.96 95 5 75-125 20 0.100 0.100 100 80-120 <br />Ba <0.10 0.5 0.04 1.00 0-97 94 1.01 98 4 75-125 20 0.100 0.101 101 80-120 <br />Se <0.10 0.5 0.00 1.00 0.90 90 0.93 93 3 75-125 20 0.100 0.086 86 80-120 <br />Be <0.10 0.5 0.00 1.00 0.98 97 1.01 100 3 75-125 20 0.100 0.102 102 80-120 <br />Mo <0.10 0.5 0.08 1.00 1.06 98 1.10 102 4 75-125 20 0.100 0.105 105 80-120 <br />Sb <0.10 0.5 0.02 1.00 1.00 98 1.03 101 3 75-125 20 0.100 0.110 110 80-120 <br />V <0.10 0.5 0.02 1.00 0.98 96 1.02 100 4 75-125 20 0.100 0.115 115 80-120 <br />...co <0.10 0.5 0.00 1.00 0.92 92 0.95 95 4 75-125 20 0.100 0.128 128 80-120 <br />Sn <0.10 0.5 0.01 1.00 0.94 93 0.97 97 3 75-125 20 0.100 0.103 103 80-120 <br />Hg (PPB) <0.2 10 0.00 5.00 5.39 108 4.48 go 18 75-125 20 1.000 1.17 117 80-120 <br />%R = SSR-SRVSArmo <br />LCS = LABORATORY CONTROL SAMPLE <br />PQL = PRACTICAL QUANTITY LIMIT <br />SR = SAMPLE RESULT <br />SA = SPIKE ADDED <br />**=MATRIX INTERFERENCE <br />CHECKED BY: DATE: <br />MS = MATRIX SPIKE <br />MSD = MATRIX SPIKE DUPLICATE <br />%REC = PERCENT RECOVERY <br />RPD = RELATIVE PERCENT DIFFERENCE <br />LCS,TV = LAB CONTROL SAMPLE, TRUE VALUE <br />LCS,AV = LAB CONTROL SAMPLE, ACTUAL VALUE <br /> <br />REVIEWED BY: DATE: <br />