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.
About the Minimum Wage. The minimum wage is the minimum hourly wage an employer can pay an employee for work. Currently, the federal minimum wage is $7.25 an hour (part of the Fair Labor Standards Act) and some states and cities have raised their minimum wage even higher than that.