Manufacture an industrial chemical

means do any of the following: 

1. produce the industrial chemical in the course of a chemical reaction
2. extract the industrial chemical from a natural environment, with or without chemical change
3. extract the industrial chemical from a UVCB substance
4. produce or extract the industrial chemical in circumstances prescribed by the rules for the purposes of this paragraph

but does not include producing or extracting the industrial chemical as described in paragraphs 1, 2 or 3 in circumstances prescribed by the rules for the purposes of this definition.