Calendar of Events

March 2026

March 12, 2026
COSTHA Meetings
Member Meeting Re: HM-215R Overview & Comments Discussion
March 18, 2026
COSTHA Webinars & Power Hours
COSTHA Power Hour (Webinar) | When DG Goes Wrong: Real Incidents and How We Responded
March 19, 2026
COSTHA Webinars & Power Hours
Webinar: What to Expect at the 2026 COSTHA Forum
March 20, 2026
COSTHA Meetings
Pre-Joint Meeting (RID/ADR/ADN) for Members (March)
March 24, 2026
Industry Meetings
Joint Meeting (RID/ADR/ADN) (March 24-27, 2026)

April 2026

April 23, 2026
COSTHA Webinars & Power Hours
COSTHA Educational Series (Webinar) | Lithium Batteries - Emerging Technologies & State of Charge

May 2026

May 3, 2026
COSTHA Meetings
COSTHA Annual Forum & Expo (Scottsdale, AZ) (May 3-8, 2026)
May 6, 2026
COSTHA Webinars & Power Hours
COSTHA Power Hour (Scottsdale, AZ) | Best Practices - Third Party Logistics / Freight Forwarders (Part 2)
COSTHA Webinars & Power Hours
COSTHA Educational Series (Scottsdale, AZ) | Wearing Many Hats: Inside the World of a DG Transportation Professional
May 21, 2026
COSTHA Webinars & Power Hours
COSTHA Membership 101 Webinar (May)

June 2026

June 4, 2026
COSTHA Webinars & Power Hours
COSTHA Educational Series (Webinar) | How to Utilize Technology to its Full Potential as a Dangerous Goods (DG) Professional
June 26, 2026
COSTHA Meetings
Pre-UNSCOE Meeting for Members
June 30, 2026
Industry Meetings
UN SCOE TDG 68th Session (June 30 - July 8, 2026)

July 2026

July 8, 2026
Industry Meetings
GHS 49th Session (July 8-10, 2026)
Industry Meetings
UN Lithium Battery Informal Working Group Meeting (July 8-10, 2026)
July 16, 2026
COSTHA Webinars & Power Hours
COSTHA Power Hour (Webinar) | Best Practices / Tool Kit / Resources for DG Professionals

August 2026

August 13, 2026
COSTHA Webinars & Power Hours
COSTHA Educational Series (Webinar) | HazMat Registration Process

September 2026

September 11, 2026
COSTHA Meetings
Pre-Joint Meeting (RID/ADR/ADN) for Members (September)
September 14, 2026
Industry Meetings
Joint Meeting (RID/ADR/ADN) (September 14-18, 2026)
September 24, 2026
COSTHA Webinars & Power Hours
COSTHA Educational Series (Webinar) | Dangerous Goods (DG) Around the World

October 2026

October 6, 2026
COSTHA Meetings
COSTHA Membership Meeting (Virtual / Webinar) (October 6-8, 2026)
October 8, 2026
COSTHA Webinars & Power Hours
COSTHA Power Hour (Webinar) | Dangerous Goods Incidents / Incident Reporting

November 2026

November 23, 2026
Industry Meetings
UN SCOE TDG 69th Session (November 23 - December 1, 2026)

May 2027

May 2, 2027
COSTHA Meetings
COSTHA Annual Forum & Expo (Fort Myers, FL) (May 2-7, 2027)