Hexavalent chrome plating on the pole-piece, combined with careful design, more than doubles speeds and improves life-span.
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For instance, in Europe, an electronic product cannot have more than 1000 parts per million (ppm) of a chemical called hexavalent chromium, a toxic substance made famous in the film Erin Brockovich.
Erin Brockovich, a legal clerk to lawyer Edward L. Masry, investigated the apparent elevated cluster of illnesses in the community linked to hexavalent chromium.
He managed several major investigations including a demonstration project that showed how chlorite ion could control nitrification, and bench- and pilot-scale projects with Glendale, California that demonstrated the most cost-effective ways to remove hexavalent chromium from drinking water.
This directive bans from the market new electrical and electronic equipment containing more than agreed to levels of lead, cadmium, mercury hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated biphenyl Ether (PBDE) flame retardants.