You can Login or sign up to the CPSC Cert.PP here:
CPSC Careers website
This site is intended for educators, counsellors, students and parents, and provides valuable information, links and downloadable resources for training and careers in the plastics industry. It also gives plenty of background info on the history of plastics, its many applications, as well as plastics and the environment.
CPSC will no longer be accepting applications for certification at the moment.