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.
Quick Answer. Job census data from May 2012, compiled by the U.S. Bureau of Labor Statistics, suggests an average annual salary of $73,280 for private and commercial pilots. Airline pilots, co-pilots and flight engineers on average make more than private pilots at approximately $114,500 per year.