What are the reasons for PCB pads not being tinned and vias not working?

The spacing between adjacent pads is too close to cause bridging, too far away will lead to false soldering. Unreasonable ...
VTDigger

Letter to the editor: Kicking PCB problems down the road for successors to resolve

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Washington Examiner

Solving the PCB problem with cooperation instead of litigation

Doug Krapas told me that riddle because he’s the environmental manager of the Spokane, Wash., Inland Empire Paper Company, which uses old newspapers and magazines as a major component in its paper ...
Brattleboro Reformer

BFUHS board approves PCB plan, hopes for state funding

WESTMINSTER — The Bellows Falls Union High School Board has agreed on a strategy to address the remaining PCB problems at the high school. And the board made clear Monday night, it expects state ...
Seven Days

Vermont’s PCB Testing Program Continues to Cause Logistical Problems — and Angst — for Schools

North Country Union High School was built when Lyndon B. Johnson was president. Its 55-year-old windows and doors need to be replaced, according to a facilities assessment completed last year. The ...
SFGate

Feds find problems with PCBs at dump

A federal investigation found that a major hazardous waste facility at the center of a birth defects controversy improperly disposed of a chemical known to cause cancer and reproductive problems. The ...
Hackaday

Copper Be Gone: The Chemistry Behind PCB Etching

For a lot of reasons, home etching of PCBs is somewhat of a dying art. The main reason is the rise of quick-turn PCB fabrication services, of course; when you can send your Gerbers off and receive ...