For the purposes of sections 11 through 20 of this act unless the context clearly requires a different meaning:

 

   a. "Local governmental unit" shall mean and include a county, municipality or any public agency established by the State as a regional agency or authority or by a county or a municipality for the purpose of constructing or operating a public sanitary sewerage facility.

 

   b. "Commissioner" shall mean the Commissioner of Environmental Protection.

 

   L.1979, c. 321, s. 13, eff. Jan. 18, 1980.