WISER is a system designed to assist first responders in hazardous material incidents. WISER provides a wide range of information on hazardous substances, including substance identification support, physical characteristics, human health information, and containment and suppression advice.
As of 8/21/09, the 4.3 version of WISER is available for download
Wiser recently annnounce the first release of WISER for iPhone/iPod Touch:
http://itunes.apple.com/us/app/wiser-for-iphone-ipod-touch/id375185381?mt=8