Is Recycling Solvents Legal? To the Editor: I just completed reading "New Ways to Deal with Old Paint Solvents," (JLC Eight-Penny News, 6/89) and must say the writer, Steve Carlson, did a fine job defining what can be a big problem for a lot of solvent users. There were two points of particular interest to me, however, that should be clarified. First, Richard Molyneaux, of Dickson Painting in Endicott, N.Y., admits that he attempts to make his solvent recycling more cost-effective by recycling solvents from other contractors. He should be aware that a Commercial Treatment Facility Permit is required for performing this service. Second, there is no mention of how the bags of sludge are disposed. These bags of sludge are also