Margaret H. Whittaker, Ph.D., M.P.H., D.A.B.T.
President and Chief Toxicologist
ToxServices LLC

1367 Connecticut Avenue N.W., Suite 300
Washington, D.C. 20036
Tel:  202-429-8787
Fax: 202-429-8788
E-mail: mwhittaker@toxservices.com

Hershey Grewal
Technical Expert for gas fueled products

P.O. Box 5614
Diamond Bar, CA 91765
Tel: (909) 861-4507
E-mail: Hershicsg@aol.com