Kendall_Jones wrote: They haven't treated pallets with chemicals in some time (mid 90's I think). I googled it. :)
I've got two treatment facilities within just a few miles of me here. Their air permits come through me.
Like I said, pallet (and load) treatment is required for import and export by many nations on this planet, including the US. Requirements vary depending on the nations the shipment is coming from, or going to.