Located on the roof top of every house is a "stink pipe." This plumbing vent allows the plumbing gases to vent to the outside atmosphere. Roofers often throw a rag over the vent when they work around it. When the wind blows just right these plumbing gases come down to your nose level.
Activated charcoal vent filters are required by law in some communities and can be installed on any cold air "stink pipe."
Rod Pennington |
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10/31/2007
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