Kim Komando had this as her video pick of the day. It is nearly 20 minutes long but well worth watching the whole thing.

http://www.tvkim.com/watch/1062/kims-picks-celebrating-dirty-jobs?utm_medium=nl&utm_source=csotd&utm_content=2011-06-18-fifl&utm_campaign=o

There must be a neater way to send you the address, but this will work.