Okay thank you very much. I'm going to try to let him graze in my back yard tomorrow. I'll make sure to supervise him.
I wouldn't do that. Its a recipe for disaster. He needs to be in an enclosure of some sort. Here are three easy ways to safely contain him:
http://www.tortoiseforum.org/threads/cheap-easy-simple-sunning-enclosure.14680/
http://www.tortoiseforum.org/threads/simple-sunning-enclosure.104351/
http://www.tortoiseforum.org/thread...table-but-safe-outdoor-baby-enclosures.30683/
Plus some more ideas:
http://www.tortoiseforum.org/threads/outdoor-enclosures.121732/
Your tortoise will be fine without UV for a couple of weeks while you get all this sorted out.