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 indexing also takes place each year in Florida, San Francisco, California, and Santa Fe, New Mexico. [citation needed] The federal minimum wage in the United States was reset to its current rate of $7.25 per hour in July 2009. Some U.S. territories (such as American Samoa) are exempt. Some types of labor are also exempt: employers may pay tipped labor a minimum of $2.13 per hour, as long as the hour wage plus tip income equals at least the minimum wage.