The radioactive HEAST can be found at http://www.epa.gov/rpdweb00/heast/index.html I have not located the chemical HEAST Joe Alvarez ******************************* Joe Alvarez Auxier & Associates, Inc. 10317 Technology Dr., Suite 1 Knoxville, TN 37932 jalvarez@auxier.com Tel: 423-675-3669 FAX: 423-675-3677