“Expansion” means an increase in the size of an existing structure or of a structure that is being rebuilt after having been damaged or destroyed. The term does not include an expansion of use of an existing structure.

Source. (See Revision Notes #1 and #2 at chapter heading for Env-Wq 1000) #11184, eff 10-1-16; ss by #14486, eff 2-1-26, EXPIRES: 2-1-36 (formerly Env-Wq 1002.25)