Cardiovascular Emergencies Test No. 3 From Paramedic Emergency Care 3rd Edition Progress Indicator: Question 3 of 20 3.  Sulfur dioxide has a specific gravity of 2.2638.  Knowing this, you can predict that sulfur dioxide will collect in greater concentrations _____________. Choices: About waist high Near the top in high areas of the mine Near the bottom in low areas of the mine About chest high