US EPA - Priority PBTs (PPT)
Priority PBT Profiles (Pollution Prevention and Toxics)
Priority PBTs addressed under the US EPA's PBT initiative. The EPA no longer updates this list, and...
Priority PBTs addressed under the US EPA's PBT initiative. The EPA no longer updates this list, and the website that hosted it has been removed. The list is still available in historical documents, such as http://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=20000X17.txt, in the bottom right hand corner.
Alternately, the original EPA page has been archived here:
https://web.archive.org/web/20150417210522/http://www.epa.gov/opptintr/pbt/pubs/cheminfo.htm