1. ACGIH, 2005. American Conference on Industrial Hygiene (ACGIH) (2005). Documentation of the TLVs and BEIs with other worldwide occupational exposure values CD-ROM. ACGIH, Cincinnati, USA.
2. ACGIH, 2000. American Conference on Industrial Hygiene (ACGIH) (2000). Documentation of the TLVs and BEIs with other worldwide occupational exposure values. ACGIH, Cincinnati, USA.
3. ACGIH, 1995. American Conference on Industrial Hygiene (ACGIH) (1995). Documentation of the TLVs and BEIs with other worldwide occupational exposure values. ACGIH, Cincinnati, USA.
4. Alberta, Canada, 2003. Alberta Regulation 321/2003 Occupational Health and Safety Act. Occupational Health and Safety Code. October 2003. Alberta Queen’s Printer, Edmonton, Canada.
5. Australia, 1995. National Occupational Health and Safety Commission (1995). Exposure standards for atmospheric contaminants in the occupational environment. Commonwealth of Australia, Canberra.