About Untrained Contractors...... <1. Train them to stay away from posted areas and don't touch anything <in those areas and let them go unescorted. Doing this should be easy.... just tell them there is "nuclear radiation" in that room, area, locker, etc and they will avoid it like the plague....problem solved. <G> Of course this may cause other problems.... Charles Migliore Chasmig@aol.com