Plutonium
20 Jul 07

From ANE-7.txt:

PLEASE REMEMBER THAT PLUTONIUM, ESPECIALLY PURE, REFINED PLUTONIUM, IS SOMEWHAT DANGEROUS. WASH YOUR HANDS WITH SOAP AND WARM WATER AFTER HANDLING THE MATERIAL, AND DON'T ALLOW YOUR CHILDREN OR PETS TO PLAY IN IT OR EAT IT. ANY LEFT OVER PLUTONIUM DUST IS EXCELLENT AS AN INSECT REPELLANT. YOU MAY WISH TO KEEP THE SUBSTANCE IN A LEAD BOX IF YOU CAN FIND ONE IN YOUR LOCAL JUNK YARD, BUT AN OLD COFFEE CAN WILL DO NICELY.

http://www.phreak.org/archives/underground/ane/ANE-7.txt