waste by-product

Liquid, solid or gaseous waste by-products of refinery or industrial operations which are commercially unmarketable, either by reason of quality or quantity. (For purposes of this paragraph (4), the term waste by-product is defined as an unavoidable by-product of the industrial or refinery operation.) A waste by-product of a refinery or industrial operation is commercially unmarketable if it meets the criteria listed in the definition of commercial unmarketability, set forth below;


10 CFR § 500.2

Scoping language

For purposes of this part and parts 501-507 term:

Is this correct? or