Direct or On-Line Medical Control or Oversight : The clinical advice or instructions given directly to emergency medical services (EMS) personnel by specially trained medical professionals
NFPA 45 Standard on Fire Protection for Laboratories Using Chemicals, 2004 ed. http://eetd-safety.lbl.gov/sites/all/files/NFPA%20 45-2015%20LBNL%20Class%20Slides.pdf, (Std: Fr Prac for Lab Using Chem - Amer) {204 NFC}