Chair: Kevin Tlaxcalteca, Northrop Grumman Space Systems Vice-Chair: Alex Sober, Essex Technologies Group Inc. Committee Charter: This Task Group is responsible for the development of technical information, guidelines and testing techniques to evaluate electroless nickel / electroless palladium / immersion gold (ENEPIG) as a surface finish for printed boards and interconnecting substrates. It is responsible for developing and maintaining the IPC-4556 standard.