Section 3-19. Prohibition on work with special chemicals

Manufacturing, production or use of the following carcinogenic chemicals is prohibited:
  1. a.
    2-Naphthylamine and salts of 2-Naphthylamine (CAS No 91-59-8)
  2. b.
    4-Aminobiphenyl and salts of 4-Aminobiphenyl(CAS No 92-67-1)
  3. c.
    Benzidine and salts of Benzidine (CAS No 92-87-5)
  4. d.
    4-nitrobiphenyl (CAS No 92-93-3).
The prohibition in the first paragraph shall not apply if the chemical substance is present in a substance or mixture as a contaminant or by-product or as part of a waste product, provided that the concentration does not exceed 0.1% by weight.
Nor does the prohibition in the first paragraph apply if the chemical:
  1. a.
    is used for scientific research and trials, including analyses;
  2. b.
    is used in work operations intended to remove chemicals that are by-products or waste products;
  3. c.
    is used as an intermediate product in the production of the prohibited chemicals stated in the first paragraph, and for such use.
The employer shall ensure that employees are not exposed to substances as stated in the first paragraph by implementing measures to ensure that the production and use of these substances take place in a closed system from which the substances cannot be removed unless it is necessary in order to control the process or maintain the system.