>I was at a meeting last night where one delegate claimed that small >particulates 2.5 m or smaller pass through glass.
Most unlikely. >ie. If you live by a main road, closing your windows does not keep >the stuff out of your house. I find that hard to believe. >Any opinions? >James The glass keeps it out, but not the doorways, the leaks, etc. Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
