1. Threshold Limit Values and Biological Exposure Indices for 1987-1988 American Conference of Governmental Industrial Hygienists, Appendix F, 47-48 and Appendix D, 46
2. S. Perra “Measurement of Sandy Alumina Dustiness”, AIME Light Metals (1984) 269 286
3. Standard Test Method for Index of Dustiness of Coal and Coke ASTM D 547-41 (Reapproved 1980)
4. H.P. Hsieh “Measurement of Flowability and Dustiness of Alumina”, AIME Light Metals (1987) 139 149
5. A. Lalancette private communication, Alcan Smelters and Chemicals, 8 January 1985