Quick Answer. Low glomerular filtration rates (GFR) are caused by chronic kidney diseases according to MedicinePlus. The GFR is a measure of the amount of blood that passes through the glomeruli, which are tiny filters in the kidneys responsible for removing waste, in a single minute. To determine the GFR, blood tests are required.
1 For work performed from July 24, 2007 to July 23, 2008, the Federal minimum wage is $5.85 per hour. 2  For work performed from July 24, 2008 to July 23, 2009, the Federal minimum wage is $6.55 per hour. 3  For work performed on or after July 24, 2009, the Federal minimum wage is $7.25 per hour.
Minimum wage laws protect all employees, whether or not they receive tips. Employees are entitled to earn the full minimum wage per hour as set by federal or state law. Currently, the federal minimum wage is $7.25 an hour. As of January 1, 2015, the Colorado minimum wage is $8.23 an hour. Because the state minimum wage is higher, Colorado employees are entitled to the more generous state wage.