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.
As of May 2011, airline pilots made a mean $118,070 per year, according to the Bureau of Labor Statistics. About 10 percent earned the low of $57,420 annually and another 10 percent earned the high of more than $187,199 yearly.