MPS' Reagan High School on the south side and Rufus King on the north side rounded out the top three high schools in the state, according to the rankings. Other Milwaukee charter schools and Milwaukee metro schools also made the list: 1. Middleton High School, Middleton. 2.
Chlorine sanitizing solutions should be at a minimum temperature of 75Â°F. They are less effective at lower temperatures. At temperatures higher than 120Â°F chlorine may evaporate from the solution and corrode certain metals. In general all sanitizers work best at temperatures between 75Â° and 120Â°F.
There are three methods of using heat to sanitize surfaces. The first is exposing the surface to steam using one of the following time temperature schedules -- 170 degrees F for 15 minutes or 200 degrees F for 5 minutes. A second method is hot water, which is the most common method used in food establishments.