In Arizona, codes are adopted locally. The Arizona Department of Health Services adopts a minimum code for licensed health care facilities statewide based on the 2006 International Fire Code, but many cities and counties have updated their fire codes as of 2012.
In parcel with the updated fire code, the city has designated frequencies for Public Safety Officials:
Frequency,License,Type,Alpha Tag, Description, Mode 154.43000, KNAD905, BM, ChandFD-B1, Fire Department - Blue-1/Tactical, FM 155.95500, WNJ844, BM, ChandFD-B2, Fire Department - Blue-2/Alternate, FM 858.46250, WNMP405, RM, CPD-Exp-Ea, Police Explorer/Event, FM 859.46250, WNMP405, RM, CPD-Exp-Eb, Police Explorer/Event, FM
A list of the frequencies servicing specific areas can be viewed here: Arizona State Public Safety Frequencies.
The City of Scottsdale adopted amendments to the 2011 National Electrical Code, mandating adequate radio coverage in commercial, multi-family or institutional use. You can view the section regarding Public Safety Radio Amplification Systems here.