26 Apr NEW CRYSTALLINE SILICA STANDARD FOR INDUSTRY
Posted at 13:41h
in Silica
As many of you know, the silica standard is changing, and although OSHA has attempted to simplify the process, it is still confusing. The new Permissible Exposure Limit (PEL) is 50 micrograms per cubic meter (ug/m3). This new PEL is for all forms of respirable...