EPA Region III, Chemical Emergency Preparedness and Prevention Conference, Washington DC, September 21 & 22, 1999
EPA Region VI, Chemical Emergency Preparedness and Prevention Conference, San Diego, March 1999
7th Annual Continuing Challenge workshop, Sacramento California September 1996
8th Annual Continuing Challenge workshop, Sacramento California September 1997
9th Annual Continuing Challenge workshop, Sacramento California September 1998
10th Annual Continuing Challenge workshop, Sacramento California September 1999
11th Annual Continuing Challenge workshop, Sacramento California September 2000
12th Annual Continuing Challenge workshop, Sacramento California September 2001
13th Annual Continuing Challenge workshop, Sacramento California September 2002
14th Annual Continuing Challenge workshop, Sacramento California September 2003
15th Annual Continuing Challenge workshop, Sacramento California September 2004
16th Annual Continuing Challenge workshop, Sacramento California September 2005
17th Annual Continuing Challenge workshop, Sacramento California September 2006
18th Annual Continuing Challenge workshop, Sacramento California September 2007
19th Annual Continuing Challenge workshop, Sacramento California September 2008
20th Annual Continuing Challenge workshop, Sacramento California September 2009
21th Annual Continuing Challenge workshop, Sacramento California September 2010
22th Annual Continuing Challenge workshop, Sacramento California September 2011
24th Annual Continuing Challenge workshop, Sacramento California September 2013
24th Annual Continuing Challenge workshop, Sacramento California September 2014
California Association for Property and Evidence Inc. (CAPE) Conference, September 23rd and 30th 1998
Association of Occupational Health Professionals (AOHP) “Nuclear, Biological, Chemical and Terrorist Issues from an Occupational Health and Safety Perspective, San Diego California, August 30, 1998
The CEC Association workshop, Coronado California, January 28, 1993
American Society of Safety Engineers workshop, San Diego California, November 1988
Continuing Challenge each year thru #30 this year
APSA Oct 15-18 5000 Coliseum Dr, North Charleston, SC 29418, USA
CUPA Feb 25 Anaheim Convention Center
ASSP April 24 7277 Valjean Avenue, Van Nuys, CA 91406 Keynote Speaker
Cold Zone May 8-10 2200 Freeway Blvd Minneapolis, Minnesota, 55430