Section 218.640  Applicability

The provisions of this Subpart shall apply to polystyrene plants:

a)         Which use continuous processes to manufacture polystyrene-polybutadiene co-polymer; and

b)         Which fall within Standard Industrial Classification Group No. 282, Industry No. 2821, except that the manufacture of polystyrene resins need not be the primary manufacturing process at the plant.

(Source:  Renumbered from Section 218.875 and amended at 17 Ill. Reg. 16636, effective September 27, 1993)