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					Originally Posted by  NCRadioMan
					 
				 
				Interesting.  I've had manufacturers recommend it for stains and lots of mold growth.    
I've done it with fantastic results numerous times but I have also worked in a wood shop with no mask too.    
			
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 Although I have read different accounts, I do not think the dust is actually toxic. But it is more of an irritant than something like pine or oak.