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Index of Subjects Andrew: Never heard of it, but if you simply dial 'cyanide in road salt' into Google, this springs lots of references. It's not 'cyanide' as in lethal HCN or NaCN, but the less toxic salt sodium ferrocyanide that's used as the anti-caking agent -- apparently lots of it. A couple of the references point out, however, that in certain situations (e.g. acidic conditions and strong sunlight), some of this ferrocyanide in the run-off melt will break down to liberate cyanide ions (CN-) which are soluble and highly toxic. Scary. Steve ________________________________________ From: naturens-owner@chebucto.ns.ca [naturens-owner@chebucto.ns.ca] on behalf of Hebda, Andrew J [Andrew.Hebda@novascotia.ca] Sent: Monday, November 23, 2015 1:23 PM To: naturens@chebucto.ns.ca Subject: RE: [NatureNS] sparrows
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