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.
Flight attendants earned a mean $41,720 per year as of May 2011, according to the Bureau of Labor Statistics. Pay could range from less than $24,990 per year to above $62,470 per year. Because these jobs are characterized by irregular work hours, the BLS does not calculate their hourly wages.