The 2004 Emergency Response Guidebook is available, in various software configurations for desktop computers and PDAs such as the Palm handheld computer and Pocket PC (Windows CE), from other suppliers at the following links:

ChemSet2000:  http://shop.store.yahoo.com/pilotgearsw/chemset2000.html

Hazmat Identification Made Easy: http://www.ps-technologies.com/Hazmat%20Page.htm

HazmatCE 1.0:  http://www.pocketgear.com/software_detail.asp?id=10744&associateid=9

Hazmatter: http://store.yahoo.com/allyoucanweb/hazhazdat.html

Rapid Response Toolkit:  http://www.omi.com/rrt.htm

Wireless Information System for Emergency Responders: http://wiser.nlm.nih.gov/