As you know, currently California uses the 2007 California Building Code (CBC) with the 2006 IBC as the base model code.
For Safety/Tempered Glazing requirements, Chapter 24 applies. Specifically, Section 2406 "Safety Glazing". That is where the CBC lists the locations where safety/tempered glazing is required. It follows the concept of "Hazardous Locations". If the glazing is located at hazardous locations, then safety glazing is required.
Hazardous locations are listed in Section 2406.3. So if the glazing is in any of the 11 locations listed in Section 2406.3 (there are exceptions of course) then safety/tempered glazing applies.
Not all windows are required to have safety glazing. Only the ones that are located in "hazardous locations". Mainly due to closeness to edge of doors or to the walking surface, etc.
Sections 2407, 2408 and 2409 have information about Glass in Handrails and Guards, Glazing in Athletic Facilities and Glass in Elevator Hoistway.
This previous discussion on the BCDG has additional and more descriptive information:http://bcodes.infopop.cc/eve/f...058445/m/96610960641