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.
America on $7.25 an hour. By Shannon Stapleton. Federal minimum wage in the United States currently stands at $7.25 an hour, or $1,200-1,300 per month, and hasn't been raised since 2009. Its place relative to the median wage -- less than 40 percent -- makes it one of the lowest minimum wages across OECD countries.