It's been a regulatory requirement for a number of years that should they detect...on end product testing there is a legal obligation for them to report. But there was no legal obligation for them to report to us immediately on an environmental sample that was positive. They did have obligations, themselves, to conduct sanitation and to retest. Based on the Health Canada policy at the time, a retest that was negative following sanitation was deemed to have addressed the insult.
On April 20th, 2009. See this statement in context.