1. AMA Department of Environmental, Public and Occupational Health, 1972, Eye protection against indirect exposure to arc welding, J. Am. Med. Assn.
221:1171.
2. American Conference of Governmental Industrial Hygienists, 1979, “Threshold limit Values for Chemical Substances and Physical Agents in the Workroom Environment with Intended Changes for 1979,” ACGIH, Cincinnati, OH.
3. Standard No. Z49.1–1973;American National Standards Institute (ANSI),1973
4. ASTM Designation D 1003–61;American Society for Testing and Materials (ASTM),1961
5. Standard No. Z87.1–1968;American National Standards Institute (ANSI),1968