Old fluorescent fixtures pose risk

When polychlorinated biphenyls (PCBs) leak from aging uorescent lighting ballasts, they expose staff and students to sig- nificant amounts of toxic and poten- tially carcinogenic chemicals. Chronic, long-term exposure to…

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Old caulk presents PCB risk

Polychlorinated biphenyls, or PCBs, are man-made chemicals that persist in the environment and were widely used in construction materials and electrical products prior to 1978. PCBs can affect the immune…

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