“Resource recovery project” means a project which converts municipal wastes, agricultural wastes, forest wastes, landfill gas, or digester gas in a manner so as to produce energy as a byproduct in the air basin in which they are produced.
Source:
Section 39050.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=39050.5..