Services For Sanitary And Hygienic Treatment Of Premises: Services For Deratization Of Premises - 11,091.70 Square Meters. Code Dc 021:2015 90923000-3; Disinsection Services - 17,686.00 Sq. M. Code Dc 021:2015 90920000-2. Code Dc 021:2015 90920000-2 "Sanitary And Hygienic Treatment Of Premises"