/u/naphthoylindole's posts in /r/askscience
1 upvotes
Mark as read: Add to a list
1 upvotes
Mark as read: Add to a list
My house's radon mitigation vent is about 5 feet from where I frequently sit on the deck. How is that safe?
1 upvotes
Mark as read: Add to a list
1 upvotes
Mark as read: Add to a list