Hi Lightbulbman! The day before I went back to work, I quickly went in & checked I did see the pail of bulbs. Most I think are 150 watt/and maybe 70 watt `High Pressure Sodium'. I know we have those two types on outside. I think these are Sylvania Luma Lux bulbs. The parking light ones are 250?. Not sure if we have any burnt out 250 watts there., thinking not. We have a electrical business in town who does that, as they have a truck. We have another bulb on the outside as well, which was different than the others. I looked on some new ones. they say Metal Hydride and label says, contains mercury but unfortunately the burnt out bulb isn't there. Thought the last one lasted 3 yrs or more so not sure when we can get one of them. I checked for the LED exit bulbs. I think one may work and one not. They had special adapters that you needed to put on. Some of the adapters weren't working like they should so bulb couldn't be used.