Table 6. Shows key test in the differentiation of the virdidans streptococci. Most species can only be identified to viridans species group. The VP test aids in the identification and differentiation of the viridans streptococcal species and is a key reaction for the S. anginosus group.
Air Traffic Controller Salary. The average pay for an Air Traffic Controller is $84,815 per year. Experience has a moderate effect on income for this job. $38,929 - $148,967.
Pay by Industry. As of 2011, more than one-third of commercial pilots were employed in the nonscheduled air transportation industry and earned an average of $78,010 per year. Those working in support activities for air transportation earned an average salary of $71,440 per year.ay by Industry. As of 2011, more than one-third of commercial pilots were employed in the nonscheduled air transportation industry and earned an average of $78,010 per year. Those working in support activities for air transportation earned an average salary of $71,440 per year.