ATCS – Q-BLOG, ASK THE EXPERT – July 2010 QUESTION: From: Craig W. Sent: Tuesday, July 13, 2010 8:52 AM To: ATCS Subject: ISO 9000 standard question – ECM process Hello, We are a small company with very few well structured procedures and need to adopt a procedure for our ECO process.  We have decided to follow the ISO 9000 procedure for engineering change management.  I am unsure which particular standard we need to buy.