The IEC has just completed a wetting balance test for SM components, IEC 68-2-69, using the solder bath and the solder globule. It is currently working on a wetting balance test for printed circuit boards. It has carried out one intercomparison and is planning a second. Chris Hunt National Physical Laboratory Centre for Materials Measurement Technology Building 15 Queens Road Teddington Middlesex United Kingdom TW11 0LW Tel +44 (0) 181-943 7027 direct or switchboard 0181-977 3222 ext 7027 Fax: +44 (0)181-943 6453 E-mail: [log in to unmask]