June 11, 2008: Thank you for your patience during our extended website outage. The PERI website is now up and running. Your bookmark, however, is somewhat out of date. The current PERI address is www.peri.umass.edu. Please update your bookmarks.

If you are viewing this page, the automatic redirect to our site is not yet functional. Please click the link above to go to the PERI home page.

If you have any questions, please contact PERI at peri@peri.umass.edu. Thank you.