Regarding the ingress portal removal rules portals May not obstruct emergency service.
How is this checked?
The Portal obstructs or interferes with Emergency Services’ ability to perform normal operations. This includes, but isn’t limited to, fire stations, police stations, hospitals, military bases, industrial sites, power plants and air traffic control towers
All reports of "invalid "portals attched to Fire stations, Police stations or on military bases are Rejected That the portal should remain online.