The mothership at UMass

UMass Emergency Medicine
UMass Division of Toxicology

Resources
Toxicology Flickr PhotoGroup

Some great EM and Tox related Podcasts/Blogs
EM RAP
EM Crit
EM Cast
Oregon PCC Conferences
The Poison Review

Professional Toxicology Associations
ACMT
AACT 

Some other interesting websites mentioned on the show
Erowid
Bluelight