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Natural Selection
Gary Jones, manager of environmental health and safety affairs at PIA/GATF, Sewickley, Pa., also
recommend low VOC materials, including vegetable- and water-based inks, as well as heavy metal-free inks, but cautioned against soy-based inks.
“Some rain forests have been cut down in South America to grow soy beans, which defeats the whole purpose. So, it would require a lot of research to determine the source of the actual soy beans,” he reported. “Typically, heavy metals are not used so much in inks today—for example, lead chrome yellow used to be popular—but some imported materials, such as those from China, still contain heavy metal. That’s why many stress the importance of sourcing materials locally.”
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