| Classification of Products ver. 2002 (CZ-CPA) - level 3 - Division | 
                    90 | 
                    Sewage and refuse disposal services, sanitation and similar services | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 5 - Class | 
                    9000 | 
                    Sewage and refuse disposal services, sanitation and similar services | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 5 - Class | 
                    9001 | 
                    Collection and treatment services of sewage | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 5 - Class | 
                    9002 | 
                    Collection and treatment services of other waste | 
                  
                
                  
                    | Classification of Products ver. 2002 (CZ-CPA) - level 5 - Class | 
                    9003 | 
                    Sanitation, remediation and similar services |