Eau Claire Area School District - NHS Polar Plunge http://www.cms4schools.com/news_rss.cfm?detailid=105586&memberid=93 Eau Claire Area School District - NHS Polar Plunge en-us Tips for jumpers http://www.ecasd.k12.wi.us/cms_files/resources/Tips for First Time Plungers.doc Waiver form for plungers http://www.ecasd.k12.wi.us/cms_files/resources/plunge_waiver_10.pdf