Please Note:  The 2019 version of GT100 is the current and only official material available to support revision for the 2021 Health, Safety & Environment test for Operatives & Specialists.

GT100 is the official CITB Health, Safety & Environment (HS&E) test revision app for Operatives and Specialists.

The CITB HS&E operatives and specialists test app is the only one available that provides a complete revision experience, providing all the information you need to prepare for your test. 

Key features of the app include:

• The full suite of revision material on your mobile device and being able to revise on the move 

• Practice questions with the ability to navigate forwards and backwards as well as flagging questions for review 

• Practice test, which can be completed against the clock

• Smart revision, minimising repetition and maximises learning by concentrating on unseen questions and those you have answered incorrectly

• Progress reviews with a comprehensive breakdown of scores, allowing you to look at individual questions to see which answers are correct

• HS&E test centre locator.

To purchase the required app, please click on the appropriate system below and you will be directed to the relevant store;

iOS 

Android

• Publication Type App