It’s been nearly five months since NC State University closed Poe Hall after tests showed the presence of toxic chemicals. Further tests in the campus building, as well as a federal health evaluation, ...

A bill that would have triggered a pause of Vermont’s costly, time-intensive and disruptive program to test for and remove toxic PCB chemicals from older school buildings has died in the legislature.

Just under a year ago, the Vermont House Education Committee approved legislation that would have paused the state’s ambitious and logistically complex school testing program for toxic chemicals known ...

In-circuit test (ICT) systems have been the leaders in using electrical means to look for structural defects in PCBs. They employ bed-of-nails fixtures to provide electrical access to as many as 7000 ...

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The limited access afforded to circuit nodes by PCBs densely populated with tiny components seriously challenges traditional PCB test strategies. But while optical and x-ray inspection can help fill ...