Two codes could found hidden in the A Reflection of the Builder post on the Investigate Ingress blog.
[1] tso22genafcbfr196lh
[2] UsMeh^w@n*dlEkTqIuSnAlRtAePf#o*rQdg5Zm0hWr
Code #1
Observations
Passcode format is there, go through your regular cipher routine.
Code #2
Observations
A good mix of uppercase, lowercase, numbers & symbols. Remember that there are usually 3 passcode per posts.