“Title V source” means only a stationary source required by federal law to be included in an operating permit program established pursuant to Title V of the federal Clean Air Act (42 U.S.C. Secs. 7661 to 7661f, incl.) and the federal regulations adopted pursuant to Title V.
Source:
Section 39053.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=39053.5..