Doug Kanter wrote:

Here in upstate NY, an entire lake was contaminated with PCBs by some
guy "salvaging" transformers at the shoreline. The fish are no longer
safe to eat. You may want to investigate further what may be inside
that transformer of yours before disassembling it. Perhaps your
state's environmental conservation department, or local department of
solid waste could assist in finding out more. Or, the manufacturer.

But the GUY who disassembled the transformers is okay, right?

Maybe there's PCBs. Maybe not. If there are PCBs, there might be enough to
be detectable. If so, diluted 1-trillion-to-one in a nearby pond might be
sufficient to give one fish a headache.

Bah! Who cares?