During the last 5 minutes of the finale, they show the hazardous materials team walking around the prison. The Level A suits are being worn but not secured safely. There should be chemical resistant tape around the ankles, wrists and down the zipper to prevent any toxins from getting into the suit. There is no tape on the suits to prevent this.
Dr. Nathan telling Ray that Claire is pregnant is major violation of medical ethics, since Claire was asking Dr. Nathan for a second opinion she was talking to her as a doctor, not a friend. Which would make Dr. Nathan disclosing Claire's pregnancy to anyone without her permission a HIPPA violation.