Also you will want to add, don't use PL as, it depends on who programmed the radios.
Per Nationwide Interop there is a standard PL, but within state you will find 192.8 and No PL aka CSQ
and if close to NH you will find 136.5 and 156.7
State Fire, 154.3100 (No PL) is the statewide mutual aid frequency.
154.2800 and 154.2650 (No PL) are licensed by the State Fire Chiefs Association and used by many VHF departments as tactical channels.