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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 /> Acenaphthene 0.061 0.060 0.062 97 96 60-130 0.947 30 <br /> Acenaphthylene 0.069 0.070 0.062 110 111 60-130 1.34 30 <br /> Acetochlor 1.1 1.1 1.25 86 88 60-130 2.32 30 <br /> Anthracene 0.067 0.068 0.062 107 108 60-130 1.18 30 <br /> Benzidine 2.4 2.5 6.25 39 40 20-130 2.55 30 <br /> Benzo(a)anthracene 0.065 0.068 0.062 104 109 70-130 3.98 30 <br /> Benzo(a)pyrene 0.090 0.093 0.062 144,F5 149,F5 70-130 3.26 30 <br /> Benzo(b)fluoranthene 0.087 0.088 0.062 139,F5 141,F5 60-130 1.31 30 <br /> Benzo(g,h,i)perylene 0.078 0.079 0.062 125 126 70-130 0.743 30 <br /> Benzo(k)fluoranthene 0.062 0.067 0.062 100 107 70-130 6.78 30 <br /> Benzoic Acid 7.4 7.4 6.25 118 118 15-130 0.134 30 <br /> Benzyl Alcohol 6.5 6.6 6.25 104 105 70-130 0.897 30 <br /> 1,1-Biphenyl 0.066 0.066 0.062 106 106 60-130 0.128 30 <br /> Bis(2-chloroethoxy)Methane 1.1 1.1 1.25 90 91 70-130 0.571 30 <br /> Bis(2-chloroethyl)Ether 0.058 0.059 0.062 92 95 60-130 2.71 30 <br /> Bis(2-chloroisopropyl)Ether 0.060 0.063 0.062 96 100 60-130 4.52 30 <br /> Bis(2-ethylhexyl)Adipate 1.4 1.4 1.25 110 115 60-130 4.43 30 <br /> Bis(2-ethylhexyl)Phthalate 0.097 0.10 0.062 155,F5 160,F5 60-130 3.35 30 <br /> 4-Bromophenyl Phenyl Ether 1.4 1.5 1.25 114 117 60-130 3.20 30 <br /> Butylbenzyl Phthalate 0.10 0.10 0.062 163,F5 166,F5 60-130 2.00 30 <br /> 4-Chloro-3-methylphenol 1.3 1.3 1.25 104 101 70-130 3.12 30 <br /> 4-Chloroaniline 0.046 0.045 0.062 74 72 40-130 2.79 30 <br /> 2-Chloronaphthalene 1.3 1.4 1.25 106 110 60-130 3.61 30 <br /> 2-Chlorophenol 0.066 0.069 0.062 106 110 60-130 4.06 30 <br /> 4-Chlorophenyl Phenyl Ether 1.2 1.3 1.25 100 103 70-130 3.51 30 <br /> Chrysene 0.059 0.060 0.062 95 96 70-130 1.69 30 <br /> Dibenzo(a,h)anthracene 0.081 0.081 0.062 130 130 70-130 0.167 30 <br /> Dibenzofuran 0.052 0.052 0.062 84 83 60-130 1.04 30 <br /> Di-n-butyl Phthalate 0.079 0.081 0.062 126 130 60-130 3.18 30 <br /> 1,2-Dichlorobenzene 1.2 1.2 1.25 94 97 60-130 3.34 30 <br /> 1,3-Dichlorobenzene 1.1 1.2 1.25 89 93 60-130 4.69 30 <br /> 1,4-Dichlorobenzene 1.1 1.2 1.25 90 94 60-130 4.19 30 <br /> 3,3-Dichlorobenzidine 0.065 0.067 0.062 103 107 40-130 3.36 30 <br /> 2,4-Dichlorophenol 0.069 0.068 0.062 110 109 60-130 1.19 30 <br /> Diethyl Phthalate 0.070 0.071 0.062 112 114 70-130 2.14 30 <br /> 2,4-Dim ethyl phenol 1.6 1.6 1.25 125 125 70-130 0.486 30 <br /> Dimethyl Phthalate 0.066 0.067 0.062 106 107 70-130 1.67 30 <br /> 4,6-Dinitro-2-methylphenol 7.8 7.9 6.25 125 126 20-130 0.396 30 <br /> (Cont.) <br /> CA ELAP 1644•NELAP 4033ORELAP <br /> Page 26 of 38 <br />