Healthy child healthy world describes pvc as the most toxic plastic and vinyl chloride the chemical used to make pvc has been described as a known carcinogen by the world health organization s international. Identify a substance s concentration at a spill site. Pvc is mostly amorphous but by a happy accident of the free radical mediated reactions that build polymer chains from smaller subunits the material is 10 to 20 crystalline mathias says.
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