Definitions for "ACGIH"
American Conference of Governmental Industrial Hygienists.
The American Conference of Government Industrial Hygienists is a voluntary membership organization of professional industrial hygiene personnel in governmental or educational institutions. The ACGIH develops and publishes recommended occupational exposure limits each year called Threshold Limit Values (TLVs) for hundreds of chemicals, physical agents, and biological exposures indices.
American Council of Government Industrial Hygienists
Keywords:  niin, fahrenheit
Fahrenheit NIIN