Montgomery County, Maryland
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Hazardous Material Use Certificate System

Welcome to the Online Hazardous Materials Use Certificate System

If you are using the system for the first time, register for a new user account by clicking on the New User? link on the left. Complete the new user registration form where you will enter an account Username and Password. Once your User Account has been approved, you will be contacted by email. Log into the system. When you log in for the first time, you will need to reset your Password and log in again with your Username and new Password.

  • If you are a returning user, log in with your Username and Password.
  • If you have forgotten your Password, click the Forgot Password? link and follow the steps.
  • If you would like to reset your Password, click the Reset Password? link and follow the steps.
  • If you have any questions, please contact Barbara Moore at or 240-777-2327 to learn more.
  • This page is being served from the EXTERNAL web server.

Thank you for using Montgomery County Online Services.

System Requirements

You will need Internet Explorer 5.5+, Netscape 7.0+, or Firefox 1.0+ to use this system. You must have Javascript enabled. The system also uses pop-ups. Please remove any pop-up blockers that may hinder your use of the system. To learn how to enable Javascript, read the Help Guide.

Things to Remember

As a security feature, the system will time out after 30 minutes of inactivity. Please make sure that you click 'Save' after entering information on each screen to prevent data loss.
Do not share your User Account information or display it in public places.
Please be patient, especially if you are running a computer with a standard 56K modem. It is important to let the computer finish what it is doing before clicking on another tool/function. Clicking one button after another before the computer is done processing a previous request will probably result in inconsistent behavior.


For questions, please contact Barbara Moore at or 240-777-2327.

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