Wisconsin Watch
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Claims that are partially true or false cannot be checked. In addition, we are unable to check claims for which there are no credible, available sources to verify or dispute them.
Toxic heavy metals in solar panels are locked in stable compounds and sealed behind tough glass, preventing escape into air, water, or soil at harmful levels.
Most concern focuses on cadmium and lead. 40% of new U.S. panels use cadmium telluride, which does not dissolve in water, easily turn to gas, or approach the toxicity of pure cadmium.
Like many electronics, panels contain small amounts of lead. These parts are locked behind tempered glass that resists hail, heat, and breakage. Even in high-temperature fires, the glass melts and binds to the metals, trapping 99.9% of them.
During manufacturing and disposal, heavy metals are handled under safety and waste rules. Per unit of electricity, solar releases far less heavy metals than fossil fuels.
Studies and safety reviews find that heavy metals pose no qualifiable danger to health during the regular manufacture, use, or regulated disposal of solar panels.
This fact brief is responsive to conversations such as this one.
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