UBC Library provides access to a custom collection of CSA and ISO standards through Techstreet, a standards aggregator.
You will know you are connected to Techstreet as the UBC logo appears on the page.
Make sure you have FileOpen installed in order to read the PDFs. You can download and install FileOpen from the Dashboard page in the Subscription column (left hand side), under Tools at the bottom of the page (see image below).
Many CSA standards are available in the CCOHS database (Legislation section):