You live in an area blessed with an abundance of natural woods for smoking. So try some, A little bit to start and see where it goes.
I only use natural wood. My UDS has never seen lump or briquettes. If I want less smoke, I use milder woods and/or mixes of different woods.
Dr. Mark (STL)
Ph.D. (honorary) Bovine $hitology
A thin line separates paranoia from an acute understanding of reality.