ACGIH	American Conference of Governmental Industrial Hygienists
ACSH	Advisory Committee for Safety and Health at work
DW	Durbin–Watson
GM	geometric mean
GSD	geometric standard deviation
IARC	International Agency for Research on Cancer
ILOSH	Institute of Labor, Occupational Safety and Health
JIS	Japanese Industrial Standards
LOD	limit of detection
NIOSH	National Institute for Occupational Safety and Health
OSHA	Occupational Safety and Health Administration
PE	parameter estimate
PEL	permissible exposure limit
RCS	respirable crystalline silica
SD	standard deviation
SEG	similar exposure groups
TACI	Taiwan Association of Casting Industry
VIF	variance inflation factor