Ottawa Establishes Essential Services Contingency Reserve for PPE Tuesday July 21, 2020 | COVID-19, Labour/HR/Driver Shortage, News Releases, Operations & Safety The Canadian Trucking Alliance is applauding Minister of Public Services and Procurement Canada (PSPC), Anita Anand, for the Essential Services Contingency Reserve (ESCR) – a program designed to ensure essential services like trucking always have access to PPE.