| Schedule | 23C | 
    
        | Approval Number | 0686 | 
    
        | Manufacturer | 3M Company | 
    
        | Approval Date | 4/14/1986 | 
    
        | Product Line | 7800 Series | 
    
        | For Protection Against | Ammonia, Methylamine | 
    
        | Service Time (minutes) |  | 
    
        | Facepiece Type | Full Facepiece | 
    
        | Is the respirator powered? | Non-powered | 
    
        | Number of Filters |  | 
    
        | Is the the filter replaceable? | No | 
    
        | Filter Location |  | 
    
        | Cartridge or Canister | Cartridge | 
    
        | Number of cartridge or canisters | Two | 
    
        | Location of cartridge or canisters | Facepiece-mounted | 
    
        | Is the cartridge or canister replacable? | Yes | 
    
        | Self-contained breathing apparatus (SCBA) Type |  | 
    
        | Supplied air respirator (SAR) Type | Type C | 
    
        | Self-contained breathing apparatus (SCBA) Use |  | 
    
        | Airflow | Continuous Flow | 
    
        | Breathing Gas | Compressed Air | 
    
        | Percentage of Oxygen in Breathing Gas |  | 
    
        | Regulator Location | Belt-mounted | 
    
        | Low Temperature (Celsius) |  | 
    
        | Low Temperature (Fahrenheit) |  | 
    
        | Exhalation Valve? | No | 
    
        | Self Rescuer? | No | 
   
    
        | Is the approval obsolete? | No | 
    
        | Private Label |  | 
    
        | Model |  | 
    
        | Rated Duration |  | 
    
        | Cylinder pounds per square inch gauge (PSIG) |  | 
    
        | Chemical, biological, radiological and nuclear (CBRN) Approval Date |  | 
    
        | Comments |  |