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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> _ M c C a m p b e I I Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> I "When Quality Counts" http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> Quality Control Report <br /> Client: Patriot Environmental Service WorkOrder: 2409559 <br /> Date Prepared: 09/12/2024 BatchID: 301733 <br /> Date Analyzed: 09/13/2024 Extraction Method: SW3550B <br /> Instrument: GC21 Analytical Method: SW8270E <br /> Matrix: Soil Unit: mg/Kg <br /> Project: 5113;MARATHON STOCKTON-OILY DEBRIS Sample ID: MB/LCS/LCSD-301733 <br /> QC Summary Report for SW8270E <br /> Analyte LCS LCSD SPK LCS LCSD LCS/LCSD RPD RPD <br /> Result Result Val %REC %REC Limits Limit <br /> 2,4-Dinitrophenol 1.4 1.4 1.25 110 109 15-130 0.665 30 <br /> 2,4-Dinitrotoluene 0.079 0.077 0.062 126 123 70-130 2.39 30 <br /> 2,6-Dichlorophenol 0.076 0.077 0.062 121 123 60-130 1.27 30 <br /> 2,6-Dinitrotoluene 0.073 0.074 0.062 117 118 60-130 0.690 30 <br /> Di-n-octyl Phthalate 1.8 1.9 1.25 144,F5 149,F5 60-130 3.45 30 <br /> 1,2-Diphenylhydrazine 1.4 1.3 1.25 109 105 60-130 3.85 30 <br /> Fluoranthene 0.065 0.065 0.062 105 104 70-130 0.105 30 <br /> Fluorene 0.068 0.068 0.062 109 108 60-130 0.824 30 <br /> Hexachlorobenzene 0.063 0.063 0.062 101 101 70-130 0.620 30 <br /> Hexachlorobutadiene 0.069 0.068 0.062 111 109 70-130 1.20 30 <br /> Hexachlorocyclopentadiene 7.8 7.6 6.25 124 122 60-130 1.79 30 <br /> Hexachloroethane 0.059 0.061 0.062 94 97 70-130 2.89 30 <br /> Indeno(1,2,3-cd)pyrene 0.076 0.077 0.062 121 123 70-130 1.42 30 <br /> Isophorone 1.1 1.1 1.25 92 92 60-130 0.118 30 <br /> 1-Methylnaphthalene 0.065 0.064 0.062 103 102 70-130 1.36 30 <br /> 2-Methylnaphthalene 0.066 0.066 0.062 106 105 70-130 0.604 30 <br /> 2-Methylphenol(o-Cresol) 1.2 1.4 1.25 100 113 60-130 12.8 30 <br /> 3&4-Methylphenol(m,p-Cresol) 1.3 1.3 1.25 104 106 60-130 1.18 30 <br /> Naphthalene 0.060 0.060 0.062 96 97 70-130 0.796 30 <br /> 2-Nitroaniline 6.3 6.4 6.25 101 103 70-130 1.51 30 <br /> 3-Nitroaniline 5.0 4.8 6.25 80 77 50-130 3.65 30 <br /> 4-Nitroaniline 5.3 5.3 6.25 85 84 60-130 0.803 30 <br /> Nitrobenzene 1.3 1.2 1.25 102 99 60-130 3.02 30 <br /> 2-Nitrophenol 7.5 7.3 6.25 120 117 70-130 2.28 30 <br /> 4-Nitrophenol 5.5 5.4 6.25 88 87 60-130 0.916 30 <br /> N-Nitrosodimethylamine 6.3 6.4 6.25 100 102 70-130 1.99 30 <br /> N-Nitrosodi-n-propylamine 0.92 0.96 1.25 73 77 60-130 4.82 30 <br /> N-Nitrosodiphenylamine 1.2 1.2 1.25 93 93 70-130 0.00428 30 <br /> Pentachlorophenol 0.36 0.36 0.31 116 116 50-130 0.504 30 <br /> Phenanthrene 0.057 0.058 0.062 92 93 60-130 1.12 30 <br /> Phenol 0.27 0.28 0.25 108 111 60-130 3.01 30 <br /> Pyrene 0.071 0.074 0.062 114 118 70-130 3.46 30 <br /> Pyridine 0.99 0.97 1.25 79 78 60-130 1.99 30 <br /> 2,3,4,6-Tetrachlorophenol 1.5 1.4 1.25 118 115 60-130 2.07 30 <br /> 1,2,4-Trichlorobenzene 1.3 1.3 1.25 106 105 60-130 1.26 30 <br /> 2,4,5-Trichlorophenol 0.086 0.088 0.062 138,F5 141,F5 60-130 1.83 30 <br /> 2,4,6-Trichlorophenol 0.070 0.068 0.062 111 108 60-130 2.96 30 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 27 of 38 <br />