Last I heard DP40 was not allowed by South Coast Air Quality District here in So Cal they were allowing it as a specialty coating for a while but not anymore is not compliant when used with top coats nor is any other catalyzed primer. On that same note the people who responded to me about painting with Lacquer, Enamel, Synthetic Enamel, etc., they are all illegal just having them on my shop shelf would have cost me thousand of dollars per can. Almost every shop I know of has had to go to water borne primers. I also miss K200 boy could that stuff fill. DP40 was a life saver on classic car restorations we would sand blast then DP40 the entire shell of the car. If you blast and leave it rust starts to form immediately. Brian and the other bike painters know more about what they are getting away with there is a big difference between one off paint jobs and production. Sam DiBartolomeo Southern Ca.