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Two methods of sample preparation for analysis of non-ortho and mono-ortho PCB congeners in the muscles of selected fish species

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Background. Polychlorinated biphenyls (PCBs) are persistent organic pollutants widespread in the environment. Their ability to accumulate in living organisms leads to food contamination. which is the main route of human exposure to PCBs. https://www.getpureroutine.com/mega-sale-caruso-s-pee-less-for-men-60-tablets-sale-top-super/
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