Larry: IPC-A-610B is the correct reference. It covers Acceptability of Electronic Assemblies, and was published last year. It's available from IPC, ext. 318. Price: 40 IPC members/80 nonmembers. Mike Buetow IPC Technical Staff 2215 Sanders Road Northbrook, IL 60062 P: 847-509-9700, ext. 335 F: 847-509-9798 [log in to unmask] On 27 Mar 1996, Pucket, Larry Lee 9784 M wrote: > I have an engineer calling out IPC-A-610-B on a drawing. Is this legit and > if it is what is the B for? Issue? > > Larry L. Pucket > [log in to unmask] > >