Many in distribution thought RoHs would create chaos in the supply chain. For one thing, there was no guidance issued by the European Union until late May on what companies would have to do to show compliance. In addition, many component manufacturers said they would not issue new part numbers for RoHS-compliant parts. Many suppliers said they will continue to make noncompliant parts in addition to compliant components. All this seemed to be a recipe for disaster. However, weeks before RoHS deadlines, most large OEMs have made the switch to RoHS parts. They say they are confident that they have the necessary documentation to show RoHS compliance if their products are called into question. More - Source: purchasing.com