Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This page is no longer being updated and the information may be out of date.
Contact
For more information or to request a free REACT CD from Purdue/EmPA/NIST short course, contact:
Dale P. Bentz
dale.bentz [at] nist.gov (dale[dot]bentz[at]nist[dot]gov(link sends e-mail))
(301) 975-5865
Contacts
Created April 9, 2017, Updated May 27, 2026