To purchase RTECS, contact Symyx:

Symyx Technologies
2440 Camino Ramon, Suite 300
San Ramon, CA 94583

Phone: 925-543-5400
Fax: 925-543-5401

Product Information: http://www.mdl.com/products/predictive/rtecs/index.jsp

The RTECS User's Guide: http://www.cdc.gov/niosh/97-119.html

There is also a RTECS User's Guide authored by Symyx Technologies, Inc, which can be requested by phoning Symyx Technologies at (925) 543-5400.

RTECS Database Vendors (as of June 2008):