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Comment by Jon Nose on July 5, 2011 at 1:17pm

according to the person i purchased it from they used as barrier to stop gases from coming into the building through the concrete ..(think they built over old garbage dump) but when loading on truck had a very heavy off gas smell ... that does go away after a while .... will give the barrel idea a shot ... just hate using something I am not sure of ...

Thanks for the info David  

Comment by David Waite on July 5, 2011 at 6:40am

jon take a piece and line it in a barrel and fill with water. Let it sit in the sun. If it grows algae it is fine. Most pvc liners are all food grade due to the water component. All of these liners made from pvc resin are used in rain collection or drainage applications and tend to be safe.