Medicolegal & Industrial Toxicology, Criminal Investigation, Occupational Diseases

This book is disappointing in its content. The author has endeavored to cover too wide a field in too brief a space, with the result that much of the material is so sketchy as to have little value. Some of the inaccuracies are not free from possible harmful results. For instance (p. 222) "Carbon monoxide concentration in the air must exceed 15 parts 10,000 (1,500 p. p. m.) to produce possible serious results." This is a misleading and dangerous statement. The tentative standard of the American Standards Association for permissible range of concentrations is 100 parts per million for exposures not exceeding eight hours daily and 400 for exposures not exceeding a total of one hour daily. "An exposure of 700 to 1,000 p. p. m. will in three to four hours produce severe headache, muscular incoordination, weakness, vomiting and collapse. This reaction is adequately described as 'severe' " (quoted from