Commercial Point, Ohio. Commercial Point is a village in Pickaway County, Ohio, United States. The population was 1,582 at the 2010 census.
Yes, you can use latex paint over oil-based paint. First, scuff down the surface of the oil paint layer for improved stickability. This has less to do with the initial coat being oil-based than the fact that this is a paint-over-paint project.
THD sells a paint hardener for latex paints. Each packet will do about 2/3's of a gallon of paint. Combine small amounts into one can to maximize your efforts. A simple call to your community's Solid Waste Authority should give you the answers you're looking for. Oil-based paints are hazardous materials.