To be accredited for microscopic examination of asbestos or airborne fibers, the technical manager shall have:

1. (a) For procedures requiring the use of a transmission electron microscope:

   1. (1) A bachelor’s degree in chemistry, environmental sciences, biological sciences, physical sciences, or engineering;
   2. (2) Successful completion of a course in the use of the instrument; and
   3. (3) One year of supervised experience in the use of the instrument.

2. (b) For procedures requiring the use of a polarized light microscope:

   1. (1) An associate’s degree or 2 years of college study in any of the areas listed in (a)(1), above;
   2. (2) Successful completion of a formal course in polarized light microscopy; and
   3. (3) One year of supervised experience in the use of the instrument, which shall include experience in the identification of minerals.

Source. (See Revision Note at chapter heading for Env-C 300) #12065, eff 1-1-17; ss by #13291, eff 11-23-21