Daily Archives: May 13, 2008


The American Conference of Governmental Industrial Hygienists (ACGIH) publishes advice for professional Hygienists to assist them in applying their art to the workplace, particularly with the publication of Threshold Limit Values (TLVs(r)) and the supporting documentation. However, in the absence of better advice, this information is very influential internationally in […]

AGGIH court challenge for silica, copper nPB, DPM TLVs