according to data in the Blackpowder Hunting Fall 2004 issue the following states do not allow nitrocellulose based powders:
AZ,CO,DE,ID,IL,LA,MA, MI,MS,MT,NJ,NM,ND,OR,SC,SD,UT,VTVA,WA,and WI. I suspect there may have been some changes since then but that is the way it was in 2004.