EML 530 schema?

Hi everyone, looking at the California EML package, they include an
EML 530 instance... however, I don't find an associated schema in the
5.0 EML release.  Where would I find that XSD? best, Joe

-- 
Joseph Lorenzo Hall
ACCURATE Postdoctoral Research Associate
UC Berkeley School of Information
Princeton Center for Information Technology Policy
http://josephhall.org/