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<p>[QUOTE=&quot;-jeffB, post: 4891052, member: 27832&quot;]You&#039;ll have an easier time getting mercury than carbon tetrachloride at this point. They&#039;re both toxic and persistent in the environment, but carbon tet is <i>also</i> a potent greenhouse gas <i>and</i> ozone destroyer.</p><p><br /></p><p>Mainly as a result of this book, I ordered a small bottle of carbon tet through my school when I was in fifth grade. They sent a gallon jug by mistake. That thing was <i>heavy</i>. We baby-sat it for years, and I finally turned it in to the hazmat collection window in my university&#039;s chemistry department. I still regret that occasionally -- not that I miss the liability of having the stuff on hand, but that I&#039;d likely never be able to get more even if I wanted to.</p><p><br /></p><p>Didn&#039;t order any mercury at that time, because it was too expensive for a fifth-grade budget. I won&#039;t comment on any much-later orders of multiple pounds from eBay before they blocked sales of the stuff.[/QUOTE]</p><p><br /></p>

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