The collection consists of material related to environmental issues in the Elmira area, largely compiled by APT Environment, a watchdog of Uniroyal Chemical (now Chemtura Canada Company). Fonds is comprised of the following series: Uniroyal historical, background information; Newspaper clippings; Environmental organizations; Public meetings, Open house;s Uniroyal reports; Uniroyal Public Advisory Committee (UPAC)/Crompton Public Advisory Committee/Chemtura Public Advisory Committee (CPAC); Other chemical companies; Environmental Appeal Board Region of Waterloo; Government of Ontario; Research publications, papers, articles, theses; Chemicals - articles, information; Water; Fires