Below is the link for the National Forensic Laboratory Services Website, which was designed to assist investigators with making submissions to the National Lab in Canada!
There is a wealth of information, and details to consider while making a submissions, as well as access to forms you may use to make a submission; and information on packaging, shipping and what happens post analysis.
This is a site to bookmark for all investigators!
https://sites.google.com/site/nflssnlj/home
