S4. Results of target organohalogen (PCBs, OCs, PBDEs/HFRs) analyte compliance (%) to concentrations in standard reference materials (SRM, NIST 1945c organics in whale blubber) extracted with each batch of samples (n = 5). Mean ± Mean ± Analytes Min Max SD Analytes Min Max SD (%) (%) (%) (%) (%) (%) PCBs PCBs 94.0 ± 117 ± CB18 86.1 101 5.7 CB146 112 121 3.3 97.6 ± 109 ± CB31/28 92.8 104 5.4 CB149 106 116 4.2 133 ± 102 ± CB44 126 145 6.8 CB151 97.5 109 4.5 107 ± 80.2 ± CB49 102 111 3.7 CB153 77.7 82.6 1.8 111 ± 112 ± CB52 109 112 1.4 CB156 103 117 5.6 127 ± 134 ± CB66 116 134 7.6 121 144 8.4 121 ± 131 ± CB87 117 127 4.1 128 133 2.2 80.3 ± 116 ± CB92 77.7 82.2 2.0 CB183 114 118 1.7 113 ± 125 ± CB95 107 118 4.9 CB187 122 127 1.9 92.4 ± 118 ± CB99 88 95.2 2.8 CB194 116 120 1.7 109 ± 82.1 ± CB105 102 114 4.4 CB195 79.4 88.5 3.7 108 ± 14.3 ± CB110 105 111 2.7 13.6 15.4 0.8 121 ± 127 ± 119 122 1.4 CB206 119 132 5.1 108 ± 114 ± CB128 103 113 3.8 CB209 109 120 4.8 97.1 ± CB138/158 95.2 99.6 1.8 OCs OCs
S4. Results of target organohalogen (PCBs, OCs, PBDEs/HFRs) analyte compliance (%) to concentrations in standard reference materials (SRM, NIST 1945c organics in whale blubber) extracted with each batch of samples (n = 5). Analytes Min Max Mean ± SD Analytes Min Max Mean ± SD (%) (%) (%) (%) (%) (%) PCBs PCBs CB18 86.1 101 94.0 ± 5.7 CB146 112 121 117 ± 3.3 CB31/28 92.8 104 97.6 ± 5.4 CB149 106 116 109 ± 4.2 CB44 126 145 133 ± 6.8 CB151 97.5 109 102 ± 4.5 CB49 102 111 107 ± 3.7 CB153 77.7 82.6 80.2 ± 1.8 CB52 109 112 111 ± 1.4 CB156 103 117 112 ± 5.6 CB66 116 134 127 ± 7.6 121 144 134 ± 8.4 CB87 117 127 121 ± 4.1 128 133 131 ± 2.2 CB92 77.7 82.2 80.3 ± 2.0 CB183 114 118 116 ± 1.7 CB95 107 118 113 ± 4.9 CB187 122 127 125 ± 1.9 CB99 88 95.2 92.4 ± 2.8 CB194 116 120 118 ± 1.7 CB105 102 114 109 ± 4.4 CB195 79.4 88.5 82.1 ± 3.7 CB110 105 111 108 ± 2.7 13.6 15.4 14.3 ± 0.8 119 122 121 ± 1.4 CB206 119 132 127 ± 5.1 CB128 103 113 108 ± 3.8 CB209 109 120 114 ± 4.8 CB138/158 95.2 99.6 97.1 ± 1.8 OCs OCs
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