Section 4-2. Exception from the prohibition on work with asbestos

The following work is exempt from Section 4-1:
  1. a.
    demolition, repairs and maintenance of asbestos-containing materials, including handling of asbestos-containing waste from such work;
  2. b.
    mining and processing of rock containing a maximum of 1% asbestos by weight;
  3. c.
    sampling and analysis to determine the asbestos content of a particular material.