It is natural for an anxious or frightened diver to lift his or her head from the water. ... Even without using a snorkel or regulator, the rescuer should keep the victim in a head-back position with the nose and mouth clear of the ... October 1991a NOAA Diving Manual 19-17 Accident Management and Emergency Procedures.
|Title||:||NOAA Diving Manual|
|Publisher||:||Department of Commerce National Oceanic and Atmospheric Administration National Ocean Service Office of R - 1991-01-01|