Explanations of common acronyms

The only areas more dominated by acronyms than industrial hygiene are the civil service and the international intelligence communities. However, a number of these acronyms have very specific meanings and implications, and it is worth defining these for the tyro [734a,1787]  

When the toxicant is airborne, the term LDj is usually replaced by LC.  

g) Indicates that quantity of a substance (usually expressed in mg per kg of body weight) required to kill of a specified animal population in 14 days by a specified route of entry. 

LDlo is the Lethal Dose Low, as defined by NIOSH. It is the lowest dose, other than the LDg, of a substance introduced by any route, other than by inhalation, over any given period of time in one or more divided portions that is reported to cause death in humans or other animals. 

OEL The Occupational Exposure Limit (OEL) is a general term referring to advisable 

---