The asbestos/vermiculite issue was only about the vermiculite from one mine....... see
http://www.schundler.com/verm-asb.htm
Nursery suppliers around the midwest sell huge bags of v or p in 4 ft tall plastic bags.
HD and Menard's carries V in the building insulation dept , huge bags of large flake size , very cheap but you will have to screen it to a smaller size.
Vermiculite issues
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