 A Harris Interactive survey commissioned by Red Robin and released on April 4 , 2012 , found that 88 percent of U.S. adults were aware of the " pink slime " issue , and that of those who were aware , 76 percent indicated that they were " at least somewhat concerned " , with 30 percent " extremely concerned " . 53 percent of respondents who stated that they were aware of pink slime took some action , such as researching ground beef they purchase or consume , or decreasing or eliminating ground beef consumption . 
