"There is no sanitary norms for adults, limiting their appearance at their work", informed Federal Service for Monitoring Consumer Rights Protection and Human Welfare on Tuesday. The question of appearance at work must be solved by the employer, noted the Service official. The school children are more lucky - the decision of school attendance is made by their parents. Federal Service for Monitoring Consumer Rights Protection and Human Welfare officials explained that temperature at schools must be above +18C, in kindergarten it must be above +20-22C. Russian Meteorology Center informs, the most severe frost (to - 37,2C) in Moscow region is expected on Thursday and Friday night. "In some places of the region the temperature fall down to - 37,2C is expected on January 19 and 20 night", informed the chief of Moscow meteorology service laboratory Tatiana Posdnyakova.