1. Adams, R. M., 1969, “Occupational Contact Dermatitis,” 262 pages, Lippincott/Harper, New York.
2. American Conference of Governmental Industrial Hygienists, 1974, “Industrial Ventilation: A Manual of Recommended Practice,” Cincinnati, OH.
3. 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.
4. American Industrial Hygiene Association, continually updated, “Hygienic Guide Series,” Detroit.
5. American National Standards Institute, 1971, Fundamentals Governing the Design and Operation of Local Exhaust Systems, ANSI Z9.2, New York.