For those interested in the EU regulation on this, a couple of starting points are: REACH https://en.wikipedia.org/wiki/Registration,_Evaluation,_Authorisation

For those interested in the EU regulation on this, a couple of starting points are: REACH https://en.wikipedia.org/wiki/Registration,_Evaluation,_Authorisation_and_Restriction_of_Chemicals https://en.wikipedia.org/wiki/Registration,_Evaluation,_Auth... RoHS https://en.wikipedia.org/wiki/Restriction_of_Hazardous_Substances_Directive https://en.wikipedia.org/wiki/Restriction_of_Hazardous_Subst... IMHO REACH didn't go far enough, it should be up to the maker of a chemical to prove that it's safe before it's sold and used.