In this episode, the particle accelerator was only running for a few seconds before everything started to go wrong, but in a previous episode, Wells said that for 45 minutes he had achieved his life's dream, meaning the accelerator was on for 45 minutes.
(at around 3 mins) Caitlin calls Barry Allen and talks with him, but Barry's phone homepage is visible which shows there is no ongoing call in progress.
The cells in the pipeline are said to prevent meta-humans from using their powers, even preventing The Flash from using his speed in future episodes. Yet, The Mist is able to turn into gas form.
When writing her blog at the end, Iris misspells pastime as "passtime".