Is "Just email us for an accessible version." Pass or Fail‪?‬ Chax Chat Accessibility Podcast

This episode has lots of great tidbits but there are two standout sections of this podcast. We talk about the merits of an untagged PDF document that links to an HTML alternate version or to an email address. Is this an acceptable practice? We debate both sides. Listen in because I think you will very surprised when we tell you which agency is doing this. 
We also talk about Table structure and how the PDF/UA standard can help you understand if your tables need scope.