Smoke detectors Carbon monoxide detectors (Insert gas here) detectors All have a radioactive unit All have heavy regulations and fines/imprisonment rules.
SOME digital thermostats and old Hospital digital thermometers have mercury. But the ones that do are marked.
Pre-1992 equipment sometimes has mercury batteries.
Old organs have mercury sensors for temperature control. as do any server/mainframe temperature units.
Tube tvs are regulated due to phosphorus. The "problem" of leaded glass is a myth long disproved abd the glass itself is as far as I'm aware only monitored in 1 or 2 states. Cal and possibly ohio.
Many older computer boards, especially pre1988 and kit computers, have boron components, regulated by the fda and epa as to disposal. Ti-80 and ti-90/99 come to mind. And old tandy equipment. The commodore vic line.
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