Thailand Thailand Publishes Draft Amendment to Hazardous Substance List

In Response to the Chemical Weapons Convention

Thailand Publishes Draft Amendment to Hazardous Substance List

On May 15, 2026, the Department of Industrial Works (DIW) under Thailand’s Ministry of Industry published a draft amendment to Hazardous Substance List No. 5, which is regulated by the DIW under the Hazardous Substance Act, and launched a public consultation process. The consultation period will remain open for one month, until June 15.

Author / Responsibility

UMEYAMA Kenichi

Managing Director, Green & Blue Planet Solutions Co., Ltd.

Business Performance

Managing and leadding a variey of environmental projects in Thailand and SE Asia

Background

MSc in Envionmental Engineering and Management, Asian Institute of Technology (Thailand),
MSc in Environmental Science, UNESCO-IHE Institute for Water Education (the Netherlands)

UMEYAMA Kenichi