For the left-hand navigation, to open or close a topic, click on it. On a mobile device the menu appears as three dashed lines at the top of the page. Click on it to open the menu.

Open the section of interest. Right click on the link for the second section of interest. Select “Open link in a new window with navigation”. This approach works for any link you wish to view in a separate window.

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To access the new PFAS-1 website, you can visit http://www.itrcweb.org/pfas-1 or /. Both URLs point to the same website, one is just an alias of the other.

You can bookmark sections of this guidance. Each section has a unique URL, so it can be shared, emailed, or saved in the browser bookmarks (as you would save a normal browser favorite or bookmark).

To print material from the website, use the Print this page link at the bottom of each page.