Hi there: There is a technical report, IPC-TR-462, "Solderability Evaluation of Printed Boards with Protective Coatings Over Long Term Storage" . Hope this helps. Lauren Yerant >>> "Desroches, Charles" <[log in to unmask]> 07/16/98 01:05PM >>> Hello everyone, I am looking for a standard IPC procedure about the PCB storage conditions prior to assembly. If such procedure exist, I would appreciate if anyone out there could supply me the ref. number. Regards, Charles Desroches Technical Advisor Viasystems Granby Voice: 450-372-8111 (2257) Fax: 450-378-5110 ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################ ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################