References
- American Conference of Governmental Industrial Hygienists . Particle Size-Selective Sampling in the Workplace . Cincinnati, OH : ACGIH .
- Soderholm , S. C. 1989 . Proposed International Conventions for Particle Size-Selective Sampling . Ann. Occup. Hyg , 33 : 301 – 320 .
- European Standardization Committee . 1990 . Size Fraction Definitions for Measurement of Airborne Particles in the Workplace CEN/TC137/WG3/N66(E); draft version
- Soderholm , S. C. 1991 . Why Change ACGIH's Definition of Respirable Dust? . Appl. Occup. Environ. Hyg , 6 ( 4 ) : 248 – 250 .