lung function tests. Lung function tests, also called pulmonary function tests, measure the size of a person's lungs, how much air can be breathed in and out, how fast air can be breathed out, and how well the person's lungs deliver oxygen to the blood.
Weekly Limit. The maximum number of hours most employees can be required to work in a week is 48 hours. The weekly maximum can be exceeded only if there is a written agreement between the employee and employer and the employer has received the approval of the Director of Employment Standards.
The Fair Labor Standards Act (FLSA) does not limit the number of hours per day or per week that employees aged 16 years and older can be required to work.