9.2.1 Inspection may be made through the manholes.
                           Checks should be made for corrosion attacks, fouling and damage to:
                        
                        
                        
                        
                           - 
                              
                              
                              
                                 .1 scrubber shell and bottom;
                               
- 
                              
                              
                              
                                 .2 cooling water pipes and spray nozzles (fouling);
                               
- 
                              
                              
                              
                                 .3 float switches and temperature sensors;
                               
- 
                              
                              
                              
                                 .4 other internals such as trays and demister
                                 filters.
                               
 
                     
                     
                     
                        
                        
                         
                           9.2.2 Checks should be made for damage to non-metallic
                           parts such as:
                        
                        
                        
                        
                           - 
                              
                              
                              
                                 .1 internal linings;
                               
- 
                              
                              
                              
                                 .2 demisters;
                               
- 
                              
                              
                              
                                 .3 packed beds.