The following are among the food service establishments inspected from Oct. 15-19 by the Hall County Environmental Health Department. Food service establishments are given a letter grade that coincides with a percentile: “A” (90-100), “B” (80-89), “C” (70-79), “U” 69 and below. Inspections (frequency of) a food service establishment are conducted based on risk categorization. The risk type is determined by the menu items served, the food preparation processed performed, and the previous food safety history in the food service establishment..