Here are some useful links for Professional Industrial Hygienist.

Here is 2011 TLVs and BEIs in Portuguese language, but could be useful to someone:

[link Point to another website Only the registered members can access]
Also there are some course materials and a few book chapters in folder.

Here is 2009 version in English, and could be used with 2011:

[link Point to another website Only the registered members can access]