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.
Federal Minimum Wage for 2016, 2017. The Federal minimum wage was last changed in 2008, when it was raised $0.70 from $6.55 to $7.25. Federal minimum wage rate is linked to a Customer Price Index, which is intended to raise the rate along with inflation. The current minimum wage rate is re-evaluated yearly based on these values.