The Emergency Showers
These unusual objects that seem to be streetlamps may be found at a few hospitals. They are, however, not headlights. They are, in fact, emergency showers. If someone had come into contact with a hazardous substance while on the job, they could receive treatment before entering the hospital here.

According to the book, a shower with an output of 2.5 GPM is required for ten minutes per pound. This shower must last 15 minutes and has a PSI of 20. Right?