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/--AS McCampbell Analytical, Inc. "When Quality Counts" 1534 Willow Pass Road, Pittsburg, CA 94565-1701 Toll Free Telephone: (877)252-9262 / Fax: (925)252-9269 http://www.mecampbell.com / E-mail: main®mccampbell.com Quality Control Report Client: Yara North America WorkOrder: 2101638 Date Prepared: 01/15/2021 BatchID: 213244 Date Analyzed: 01/15/2021 Extraction Method: 5W3550B Instrument: GC48 Analytical Method: SW8270C Matrix: Soil Unit: mg/Kg Project: New Site Pond Sample ID: MB/LCS/LC SD-213244 QC Summary Report for SW8270C Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RP D Result Result Val %REC %REC Limits Limit 1,1-Biphenyl 0.0563 0.0570 0.062 90 91 60-130 1.25 30 1,2,4-Trichlorobenzene 1.06 0.988 1.25 85 79 60-130 6.97 30 1,2-Dichlorobenzene 1.12 1.04 1.25 89 83 60-130 7.13 30 1,2-Diphenylhydrazine 1.04 0.986 1.25 83 79 60-130 5.31 30 1,3-Dichlorobenzene 1.05 1.02 1.25 84 82 60-130 2.42 30 1,4-Dichlorobenzene 1.04 1.00 1.25 84 80 60-130 4.24 30 1-Methylnaphthalene 0.0560 0.0545 0.062 90 87 70-130 2.84 30 2,4,5-Trichlorophenol 0.0560 0.0572 0.062 90 92 60-130 2.14 30 2,4,6-Trichlorophenol 0.0492 0.0503 0.062 79 80 60-130 2.24 30 2,4-Dichlorophenol 0.0477 0.0473 0.062 76 76 60-130 0.715 30 2,4-Dimethylphenol 1.10 1.10 1.25 88 88 70-130 0.189 30 2,4-Dinitrophenol 0.529 0.611 1.25 42 49 15-130 14.5 30 2,4-Dinitrotoluene 0.0502 0.0508 0.062 80 81 70-130 1.30 30 2,6-Dinitrotoluene 0.0486 0.0499 0.062 78 80 60-130 2.59 30 2-Chloronaphthalene 1.02 1.03 1.25 81 82 60-130 0.580 30 2-Chlorophenol 0.0585 0.0585 0.062 94 94 60-130 0.0712 30 2-Methylnaphthalene 0.0571 0.0570 0.062 91 91 70-130 0.184 30 2-Methylphenol (o-Cresol) 1.10 1.08 1.25 88 87 60-130 1.93 30 2-Nitroaniline 5.05 5.11 6.25 81 82 70-130 1.22 30 2-Nitrophenol 5.62 5.46 6.25 90 87 70-130 2.89 30 3 & 4-Methylphenol (m,p-Cresol) 1.04 1.01 1.25 83 81 60-130 3.40 30 3,3-Dichlorobenzidine 0.0390 0.0381 0.062 62 61 40-130 2.34 30 3-Nitroaniline 4.97 5.01 6.25 79 80 50-130 0.786 30 4,6-Dinitro-2-methylphenol 3.76 3.91 6.25 60 63 20-130 3.81 30 4-Bromophenyl Phenyl Ether 0.910 0.900 1.25 73 72 60-130 1.03 30 4-Chloro-3-methylphenol 0.979 0.962 1.25 78 77 70-130 1.72 30 4-Chloroaniline 0.0470 0.0466 0.062 75 74 40-130 0.883 30 4-Chlorophenyl Phenyl Ether 0.929 0.916 1.25 74 73 70-130 1.50 30 4-Nitroaniline 4.47 4.54 6.25 72 73 60-130 1.37 30 4-Nitrophenol 4.26 4.36 6.25 68 70 60-130 2.24 30 Acenaphthene 0.0543 0.0545 0.062 87 87 60-130 0.350 30 Acenaphthylene 0.0541 0.0545 0.062 87 87 60-130 0.753 30 Acetochlor 1.01 0.979 1.25 81 78 60-130 3.42 30 Anthracene 0.0505 0.0499 0.062 81 80 60-130 1.18 30 Benzidine 3.37 3.30 6.25 54 53 20-130 2.10 30 Benzo (a) anthracene 0.0552 0.0531 0.062 88 85 70-130 3.88 30 Benzo (a) pyrene 0.0458 0.0447 0.062 73 72 70-130 2.31 30 Benzo (b) fluoranthene 0.0455 0.0454 0.062 73 73 60-130 0.209 30 (Cont.) CA ELAP 1644 • NELAP 40330RELAP Page 42 of 51