Nov 22, 2019

iWWD November 2019

In mid-September, the U.S. EPA and U.S. Army repealed a 2015 rule defining Waters of the U.S. (WOTUS) regulated under the Clean Water Act in a step toward creating a new definition. This deregulation is just one of around 45 deregulations that have…
Based in Princeton, N.J., Trumpf Photonics Inc., (Trumpf) is a manufacturer of laser diodes made from gallium arsenide substrates (GaAs) wafers. The GaAs wafers must be thinned a4s part of the product requirements, a process that allows arsenic to…
Reducing the cost and compliance burden associated with meeting final coal ash remediation effluent requirements is a key driver for technical innovation. While many power plants continue to struggle with the critical last step in their coal ash…
When a Louisiana chemical plant suffered a site-wide blackout, plant personnel learned they would have to bring each power-generation unit, and its corresponding water filtration system, back on-line individually. Facility workers quickly returned the…
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