§ 721.80 Industrial, commercial, and consumer activities.
Whenever a substance is identified in subpart E of this part as being subject to this section, a significant new use of the substance is:
(a) Use in non-enclosed processes.
(b) Any manner or method of manufacture in non-enclosed processes associated with any use.
(c) Any manner or method of processing in non-enclosed processes associated with any use.
(d) Use beyond the site of manufacture.
(e) Processing beyond the site of manufacture.
(f) Any manner or method of manufacture (excluding import) of the substance associated with any use.
(g) Use other than as an intermediate.
(h) Use other than as a site-limited intermediate.
(i) Use as an intermediate where the concentration of the intermediate substance in the product intended for distribution in commerce exceeds the concentration specified in subpart E of this part for the substance.