when used as the manufacturer
instructs. Approximately 65 L of the commercial sanitizer was
circulated through the piping and T2. Sanitizer visibly contaminated
with peanut butter was diverted to a waste container until it
appeared clear (~5 L). The remaining isopropanol based sanitizer
was again re-circulated for 60 min at room temperature, and then
diverted to waste. Environmental samples were taken as described
in Section