European Agreement concerning the International Carriage of Dangerous Goods by Road – 2 – toxic
United Nations Economic Commsion for Europe
2007
<ul><li><a rel="nofollow" class="external free" href="http://www.unece.org/trans/danger/publi/ghs/pictograms.html">http://www.unece.org/trans/danger/publi/ghs/pictograms.html</a></li>
<li><a rel="nofollow" class="external free" href="http://www.unece.org/fileadmin/DAM/trans/danger/publi/adr/adr2007/English/05-0%20E_Part%205.pdf">http://www.unece.org/fileadmin/DAM/trans/danger/publi/adr/adr2007/English/05-0%20E_Part%205.pdf</a></li></ul>