Calendar of Events

November 2026

November 5, 2026
COSTHA Webinars & Power Hours
COSTHA Power Hour (Webinar) | When DG Goes Wrong: Real Incidents and How We Responded
November 12, 2026
COSTHA Webinars & Power Hours
COSTHA Membership 101 Webinar (November)
November 13, 2026
COSTHA Meetings
Pre-UNSCOE Meeting for Members (Nov 2026)
November 23, 2026
Industry Meetings
UN SCOE TDG 69th Session (November 23 - December 1, 2026)

January 2027

January 26, 2027
COSTHA Meetings
COSTHA Membership Meeting (Alexandria, VA) (January 26-28, 2027)
Industry Meetings
USPS MTAC Meeting (January 26-27, 2027)

March 2027

March 5, 2027
COSTHA Meetings
Pre-Joint Meeting (RID/ADR/ADN) for Members (March 2027)
March 17, 2027
COSTHA Webinars & Power Hours
COSTHA Educational Session (Webinar) | How to Classify / Characterization of Wastes to Include Universal Waste for Lithium Batteries
March 18, 2027
COSTHA Webinars & Power Hours
Webinar: What to Expect at the 2027 COSTHA Forum
March 22, 2027
Industry Meetings
Joint Meeting (RID/ADR/ADN) (March 22-25, 2027)

April 2027

April 20, 2027
Industry Meetings
USPS MTAC Meeting (April 20-21, 2027)

May 2027

May 2, 2027
COSTHA Meetings
2027 COSTHA Annual Forum & Expo (Fort Myers, FL) (May 2-7, 2027)
May 4, 2027
COSTHA Webinars & Power Hours
COSTHA Educational Session | HazMat 101: An Introduction to the World of HazMat
May 5, 2027
COSTHA Webinars & Power Hours
COSTHA Power Hour | Overview of Training: Identification of HazMat / DG Employees

June 2027

June 4, 2027
COSTHA Meetings
Pre-UNSCOE Meeting for Members (June 2027)
June 16, 2027
COSTHA Webinars & Power Hours
COSTHA Educational Session (Webinar) | High-Level Overview of Requirements for Warehouse Storage of Dangerous Goods

July 2027

July 20, 2027
Industry Meetings
USPS MTAC Meeting (July 20-21, 2027)

September 2027

September 10, 2027
COSTHA Meetings
Pre-Joint Meeting (RID/ADR/ADN) for Members (September 2027)
September 20, 2027
Industry Meetings
IMO CCC 13th Session (September 20-24, 2027)
September 22, 2027
COSTHA Webinars & Power Hours
COSTHA Educational Session (Webinar) | Dangerous Goods (DG) Around the World

October 2027

October 5, 2027
COSTHA Meetings
COSTHA Membership Meeting (Virtual / Webinar) (October 5-7, 2027)
October 6, 2027
COSTHA Webinars & Power Hours
COSTHA Power Hour (Webinar) | Overview of Materials of Trade (MOTs)
October 19, 2027
Industry Meetings
USPS MTAC Meeting (October 19-20, 2027)

November 2027

November 18, 2027
COSTHA Webinars & Power Hours
COSTHA Power Hour (Webinar) | Dangerous Goods Security & Compliance: From Risk Evaluation to International Reporting Requirements
November 19, 2027
COSTHA Meetings
Pre-UNSCOE Meeting for Members (November 2027)

April 2028

April 30, 2028
COSTHA Meetings
2028 COSTHA Annual Forum & Expo (Costa Mesa, CA) (April 30 - May 5, 2028)