the ontario public interest research group - OPIRG - McMaster working groupsa resource centrea eventsa bloga Office location: McMaster University Student Centre (MUSC) room 229 OPIRG-McMaster: Box 1013, McMaster University, 1280 Main Street W. Hamilton ON L8S 1C0 (905) 525-9140 ext.27289 opirg@mcmaster.ca Office hours Monday to Friday, 10:00 a.m. to 4:30 p.m. (Summer hours- May to August) Monday to Thursday 10:00 a.m. to 4:30 p.m. |