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.
According to the Bureau of Labor Statistics, the median annual wage for airline pilots and copilots is $117,290. The bottom 10 percent earned under $60,770, while the top 10 percent earned more than $187,200.