Mercurochrome and Merthiolate were both banned due to the Mercury content.
Another instance of "all heavy metals bad-must be banned" dog crap.
Another instance of ridiculous FDA/EPA govt over-regulation. I'd rather ban the EPA.

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When in doubt, WHACK the GAS and DITCH the brake !!!

Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't !
Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY.
ALL systems are GO for MAYHEM, CHAOS, and HAVOC !