Metalloid used as hardener for alloys. It is also the arsenates, used as biocides in agriculture, which make it a reputable poison.
Magnesium or calcium silicates, in the form of fibers with refractory properties, but whose inhalation triggers human cancers and whose presence in large quantities is harmful to the environment.
This acronym includes benzene, toluene, ethylbenzene and xylenes, which are found in gasolines, solvents...
This metal of alloy, which one also finds in the accumulators, pigments ... Its toxicity is due to its similarity with the calcium, which is replaced in the bones.
This metal is widely used to make stainless steels, but it is its salts, or chromates, used to make green, orange, and yellow pigments which are soluble and very toxic.
For this metal also, it is the biocidal properties of the oxides that make it toxic (algaecide and anti-foam well known).