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.
Salaries for group fitness instructors vary according to location. The region with the highest pay for full-time professionals was the Northeast at $25.97 per hour or $52,767 per year. Wages for part-time instructors averaged $25.34 per hour or $12,779 per year for 10.64 hours of work per week.