Drugs take a long time to deteriorate in the hair and therefore testing can be done many days after consumption. A standard laboratory will check up to 90 days but a court or another law enforcing institution can have hair analyzed for more than 3 months as well.
For example the median expected annual pay for a typical Fitness Instructor in the United States is $40,966, so 50% of the people who perform the job of Fitness Instructor in the United States are expected to make less than $40,966. Source: HR Reported data as of October 2015. 1  Salary. 2  Salary + Bonus. 3  Benefits.
The education and training required for fitness trainers and instructors varies by type of specialty, and employers prefer to hire those with certification. Pay The median annual wage for fitness trainers and instructors was $38,160 in May 2016. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less. The lowest 10 percent earned less than $19,150, and the highest 10 percent earned more than $72,980.