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.