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Singapore Government
Pollution Control Licensing System
Online Application: Hazardous Substances Module

    Hazardous Substances Module Verification Selection
Log-in Type :
Guidelines for Log-in Type Selection:

  • Existing Licence/Permit Holder: If you are an existing HS licence/permit holder, select this option.

  • New - With Reference ID: If you have an existing application in our system, you may log in with
        the 'Reference ID' that has been issued to you.

  • New Licence/Permit Applicant: If you would like to start a fresh new application, select this
  • Type the characters you see in the picture below

    General Enquiries
    Toll Free Line:
    Enquiry Email :

    Hazardous Substances Licence / Permit Hotline : 67319641
    Enquiry Email :
    Fax : 68362294

    Hazardous Substances Transport Approval Hotline : 67319377
    Enquiry Email :
    Fax : 68362294

    Toxic Industrial Waste Hotline : 67319677 / 67319335
    Enquiry Email :
    Fax : 68362294


    NEA Call Centre Hotline: 1800-CALL NEA (1800-2255 632) / Fax: 62352611 / Enquiry Email:
    Dial-a-weather Hotline: 65427788 / Weather Fax-on-demand: 65427789
    Members of the media can reach us at