Roll your cursor over the ? symbols and most blue links and column headings for a brief pop-up description.
Blue text that is underlined when you roll over it can be clicked on for further detail.
FAQs are available for most pages as well, usually in the upper right hand area.
Do you have questions about functions or ideas to improve or add to what the Chemical Hazard Data Commons does? Add your ideas and questions to the Suggestions & Requests Discussion
Please fill out a short survey to share your experience with using the Data Commons to date and what would make it even better.
Note we also have specific discussions underway about Chemical Databases which could be added to the Commons, How Chemical Groups are characterized and how hazards from dust forms of substances are handled. These and other topic specific discussions can all be found in the Discussions tab.
For more about who we are and what the Data Commons includes, see the About the Chemical Hazard Data Commons page. You also can view a webinar which decribes the GreenScreen and introduces key features of the Data Commons.
Send us an email.