Those are public safety interoperability channels.
155.7525 VCALL
151.1375 VTAC 1
154.4525 VTAC 2
158.7375 VTAC 3
159.4725 VTAC 4
See this draft document for further info on EM freqs in Washington.
http://emd.wa.gov/1-dir/com/osccr-agreement-v9.docThere are also UHF interop freqs.
453.2125/458.2125 Simplex/Repeater UCALL
453.4625/458.4625 Simplex/Repeater UTAC 1
453.7125/458.7125 Simplex/Repeater UTAC 2
453.8625/458.8625 Simplex/Repeater UTAC 3
Also ICALL, ITAC and STATEOPS 800 mhz freqs.
See
http://www.interceptradio.com/interceptnw/stateops.htmKerwin